Stow MS120HD13, MS120H13 User Manual

OPERATION AND PARTS MANUAL

MODEL MS120H13

MECHANICAL DUMP

MODEL MS120HD13

HYDRAULIC DUMP

HYDRAULIC PLASTER/MORTAR MIXERS

(HONDA GX390 GASOLINE ENGINE)

Revision #0 (07/10/08)

To find the latest revision of this

publication, visit our website at:

www.stowmfg.com

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

PROPOSITION 65 WARNING

Engine exhaust and some of
its constituents, and some dust created
by power sanding, sawing, grinding,
drillingandotherconstructionactivities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of these chemicals are:

Leadfromlead-basedpaints.
Crystallinesilicafrombricks.
Cementandothermasonryproducts.
Arsenicandchromiumfrom chemically
treatedlumber.

Your risk from these exposures varies,
dependingonhowoftenyoudothistype
of work. To reduce your exposure to
these chemicals: work in aALWAYS
well ventilated area, and work with

approved safety equipment, such as

dust masks that are specially designed
to filter out microscopic particles.

PAGE 2 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

SILICOSIS/RESPIRATORY WARNINGS

WARNING

SILICOSIS WARNING RESPIRATORY HAZARDS

Grinding/cutting/drilling of masonry, concrete, metaland
other materials with silica in their composition may give
off dust or mists containing crystalline silica. Silica is a
basic component of sand, quartz, brick clay, granite and
numerous other minerals and rocks. Repeated and/or
substantial inhalation of airborne crystalline silica can
cause serious or fatal respiratory diseases, including
silicosis. In addition, California and some other
authorities have listed respirable crystalline silica as a
substance known to cause cancer. When cutting such
materials, always follow the respiratory precautions
mentioned above.

WARNING

Grinding/cutting/drilling of masonry, concrete, metaland
other materials can generate dust, mists and fumes
containing chemicals known to cause serious or fatal
injury or illness, such as respiratory disease, cancer,
birth defects or other reproductive harm. If you are
unfamiliar with the risks associated with the particular
process and/or material being cut or the composition of
the tool being used, review the material safety data
sheet and/or consult your employer, the material
manufacturer/supplier, governmental agencies such as
OSHA and NIOSH and other sources on hazardous
materials. California and some other authorities, for
instance, have published lists of substances known to
cause cancer, reproductive toxicity, or other harmful
effects.

Control dust, mist and fumes at the source where
possible. In this regard use good work practices and
follow the recommendations of the manufacturers or
suppliers, OSHA/NIOSH, and occupational and trade
associations. Water should be used for dust
suppression when wet cutting is feasible. When the
hazards from inhalation of dust, mists and fumes cannot
be eliminated, the operator and any bystanders should
always wear a respirator approved by NIOSH/MSHA for
the materials beingused.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 3

TABLE OF CONTENTS

MS120 Hydraulic Mixer

Proposition 65 Warning ........................................... 2

Silicosis/Respiratory Warnings ................................ 3

Table of Contents .................................................... 4

Parts Ordering Procedures ..................................... 5

Safety ................................................................... 6-7

Rules and Regulations ....................................... 8-10

Towing Guidelines ................................................. 11

Safety Chain Connection ...................................... 12

Specifications ........................................................ 13

Dimensions ........................................................... 14

General Information .............................................. 15

Mixer Components ........................................... 16-17

Hydraulic Components.......................................... 17

Engine Components ............................................. 18

Paddle Blade Adjustment ...................................... 19

Inspection ......................................................... 20-21

Initial Start-Up .................................................. 22-23

Operation ......................................................... 23-24

Shut-Down ............................................................ 25

Maintenance (Engine)...................................... 26-27

Maintenance (Mixer) ........................................ 28-31

Storage ................................................................. 31

Troubleshooting (Engine) ................................. 32-33

Troubleshooting (Mixer) ........................................ 34

Hydraulic System Diagram ................................... 35

Explanation of Code In Remarks Column............. 36

Suggested Spare Parts ......................................... 37

Component Drawings

Honda GX390K1QA2/
GX390U1QA2 Engine

Honda Engine Assembly .................................. 54-55

Air Cleaner Assembly....................................... 56-57

Camshaft Assembly ......................................... 58-59

Piston Assembly ............................................... 60-61

Crankcase Cover Assembly ............................. 62-63

Crankshaft Assembly ....................................... 64-65

Cylinder Barrel Assembly ................................. 66-67

Cylinder Head Assembly .................................. 68-69

Fan Cover Assembly ........................................ 70-71

Flywheel Assembly .......................................... 72-73

Ignition Coil Assembly ...................................... 74-75

Carburetor Assembly ....................................... 76-77

Muffler Assembly ............................................. 78-79

Recoil Starter Assembly ................................... 80-81

Control Assembly ............................................. 82-83

Fuel Tank Assembly ......................................... 84-85

Gasket Kit Assembly ........................................ 86-87

Labels Assembly .............................................. 88-89

Terms and Conditions of Sale — Parts ................. 90

Nameplate and Decals..................................... 38-39

Paddle Blades Assembly .................................. 40-41

Steel Drum Assembly (Manual) ....................... 42-43

Steel Drum Assembly (Hydraulic) .................... 44-45

Paddle Shaft Assembly .................................... 46-47

Hydraulic Assembly .......................................... 48-49

Frame Assembly .............................................. 50-51

Steel Engine Cover Assembly .......................... 52-53

PAGE 4 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

In accordance with our established policy of
constant improvement, we reserve the right to
amend these specifications at any time without
notice.

Specifications and part numbers are
subject to change without notice.

PARTS ORDERING PROCEDURES

Ordering parts has never been easier!

Choose from three easy options:

Effective:

January 1

st

, 2006

Order via Internet (Dealers Only):

Order parts on-line using Multiquip’s SmartEquip website!

■

View Parts Diagrams

■

Order Parts

■

Print Specification Information

Goto www.multiquip.com and click on

Order Parts

to log in and save!

Order via Fax (Dealers Only):

All customers are welcome to order parts via Fax.

Domestic (US) Customers dial:

1-800-6-PARTS-7 (800-672-7877)

Order via Phone:

Non-Dealer Customers:

Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.

If you have an MQ Account, to obtain a
Username and Password, E-mail us at:

[e-mail].

To obtain an MQ Account, contact your
District Sales Manager for more information.

Use the

internet

on

Standard orders

and qualify for a 5% Discount

for all orders which include

complete part numbers.*

Fax

your order in and qualify for a 2% Discount

on

Standard orders

for all orders which include

complete part numbers.*

Domestic (US) Dealers Call:

1-800-427-1244

International Customers

their local Multiquip Representatives for
Parts Ordering information.

Note: Discounts Are Subject To Change

Note: Discounts Are Subject To Change

should contact

When ordering parts, please supply:

❒❒

❒

Dealer Account Number

❒❒

❒❒

Dealer Name and Address

❒

❒❒

❒❒

Shipping Address (if different than billing address)

❒

❒❒

❒❒

❒

Return Fax Number

❒❒
❒❒

❒

Applicable Model Number

❒❒

❒❒

❒

Quantity, Part Number and Description of Each Part

❒❒

All orders are treated as
and will ship the same day if received prior
to 3PM PST.

WE ACCEPT ALL MAJOR CREDIT CARDS!

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 5

❒❒

❒

Specify Preferred Method of Shipment:

❒❒

✓

UPS/Fed Ex

■

■

■ Next Day

■

Standard Orders

Priority One
Ground

Second/Third Day

✓ DHL
✓

Truck

SAFETY

FOR YOUR SAFETY AND SAFETY OF OTHERS!

Safety precautions should be followed at all
times when operating this equipment. Failure
to read and understand the Safety Messages
and Operating Instructions could result in injury
to yourself and others.

This manual has been developed to
provide complete instructions for the
safe and efficient operation of this
equipment. Refer to the engine
manufacturer's instructions for data
relative to its safe operation.

Before using this equipment ensure that the operating
individual has read and understood all instructions in this
manual.

HAZARD SYMBOLS

Potential hazards associated with the operation of this
equipment will be referenced with Hazard Symbols which
appear throughout this manual, and will be referenced in
conjunction with Safety Message Alert Symbols.

WARNING — Lethal Exhaust Gas Hazards

WARNING — Explosive Fuel Hazards

SAFETY MESSAGE ALERT SYMBOLS

The three Safety Messages shown below will inform you
about potential hazards that could injure you or others. The
Safety Messages specifically address the level of exposure
to the operator, and are preceded by one of three words:

DANGER, WARNING, or CAUTION.

DANGER

is running or hot. DO NOT overfill tank, since spilled
fuel could ignite if it comes into contact with hot engine
parts or sparks from the ignition system. Store fuel in
approved containers, in well-ventilated areas and away
from sparks and flames.

Engine fuel exhaust gases contain poisonous
carbon monoxide. This gas is colorless and
odorless, and can cause death if inhaled.
NEVER operate this equipment in a confined
area or enclosed structure that does not
provide ample free flow air.

Fuel is extremely flammable and its
vapors can cause an explosion if ignited.
DO NOT start the engine near spilled fuel
or combustible fluids.

DO NOT fill the fuel tank while the engine

You WILL be

DO NOT follow these directions.

WARNING

You CAN be KILLED or
DO NOT follow these directions.

CAUTION

You CAN be
directions.

KILLED

or

SERIOUSLY INJURED

SERIOUSLY INJURED

INJURED

PAGE 6 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

if you DO NOT follow these

if you

if you

WARNING — Burn Hazards

Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operation. Never operate
the engine with heat shields or heat guards
removed.

WARNING — Respiratory Hazards

ALWAYS wear approved respiratory

protection when required.

SAFETY

CAUTION — Rotating Parts Hazards

NEVER operate equipment with covers or

guards removed. Keep fingers, hands, hair
and clothing away from all moving parts
to prevent injury.

CAUTION — Accidental Starting Hazards

ALWAYS place the equipment ON/OFF

switch in the OFF position when the
equipment is not in use.

CAUTION — Eye and Hearing Hazards

ALWAYS wear approved eye and hearing

protection.

CAUTION — Overspeed Conditions

NEVER tamper with the factory setting of

the engine governor. Personal injury and
equipment damage can result if operating
in speed ranges above the maximum
allowable.

CAUTION — Equipment Damage Hazards

Other important messages are provided throughout this
manual to help prevent damage to your equipment, other
property, or the surrounding environment.

CAUTION — Start/Stop Switch

ALWAYS test the start/stop switch for the gasoline

engine every time the engine is started.

WARNING — Stand Clear of Mixer

Always stand clear of the dump handle when the mixer

is in operation. Any binding of material between the mixer
blades and the drum will cause the drum handle to
quickly move and could cause bodily harm.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 7

WARNING — Read This Manual

Failure to follow instructions in this manual may lead to
serious injury or even
operated by trained and qualified personnel only! This
equipment is for industrial use only.

DEATH

! This equipment is to be

GENERAL SAFETY



DO NOT operate or service this equipment
before reading this entire manual.



This equipment should not be operated by
persons under 18 years of age.



NEVER operate this equipment without proper protective
clothing, shatterproof glasses, steel-toed boots and other
protective devices required by the job.



NEVER operate this equipment when not
feeling well due to fatigue, illness or when
under medication.



NEVER operate this equipment under the
influence of drugs or alcohol.

RULES AND REGULATIONS



NEVER touch the hot exhaust manifold,
muffler or cylinder. Allow these parts to cool
before servicing engine or pump.



ALWAYS allow the engine to cool before
adding fuel or performing service and maintenance
functions. Contact with
serious burns.



NEVER operate this equipment in any enclosed or narrow
area where free flow of the air is restricted. The engine
of this equipment requires an adequate free flow of
cooling air. If the air flow is
restricted it will cause serious
damage to the equipment or
engine and may cause injury
to people and property.
Remember the engine gives
off DEADLY gases.



ALWAYS refuel in a well-ventilated area, away from
sparks and open flames.



ALWAYS use extreme caution when working with
flammable liquids. When refueling, stop the engine and

allow it to cool.



DO NOT smoke around or near the
equipment. Fire or explosion could result
from fuel vapors, or if fuel is spilled on a
hot engine.

hot

components can cause



NEVER disconnect any

devices"

Disconnection of these devices can cause severe injury,
bodily harm or even death! Disconnection of any of these
devices will void all warranties.



NEVER use accessories or attachments that are not
recommended by Stow for this equipment. Damage to
the equipment and/or injury to user may result.



Manufacturer does not assume responsibility for any
accident due to equipment modifications. Unauthorized
equipment modification will void all warranties.



Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.



ALWAYS check the equipment for loosened threads or
bolts before starting.

. These devices are intended for operator safety.

PAGE 8 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

"emergency or safety



NEVER operate the equipment in an
explosive atmosphere or near combustible
materials. An explosion or fire could result
causing severe

bodily harm or even

death.



DO NOT top-off fuel tank. Topping-off is dangerous as it
causes fuel to spill.



ALWAYS store the equipment in a clean, dry location
out of the reach of children.



NEVER run engine without air cleaner or air filter. Severe
engine damage may occur.



NEVER leave the equipment unattended with the engine
running. Turn off engine when unattended.



CAUTION must always be observed while servicing this
equipment. Rotating parts can cause injury if contacted.



When towing, an adequate safety chain must be
fastened to the frame. See Towing Guidelines section in
this manual.



Keep all
from the equipment at all times.



Unauthorized equipment modifications will void all
warranties.



Check all fasteners periodically for tightness. Also check
towing tongue bolt, lock nut and wheel lug nuts for wear.



Stop the engine and disconnect the spark plug before
allowing anybody’s hands in the mixing drum.



NEVER pour or spray water over the engine.



When towing, an adequate safety chain must be
fastened to the frame. See Towing Guidelines section in
this manual.



Keep all
from the equipment at all times.

inexperienced

inexperienced

and

and

unauthorized

unauthorized

people away

people away

RULES AND REGULATIONS

WARNING — Manual Dump Drum Handle

Always stand clear of dump handle when equipment is in
operation.

TRANSPORTING



ALWAYS shutdown engine before transporting.



Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.



Drain fuel when transporting equipment over long
distances or bad roads.

MAINTENANCE SAFETY



NEVER lubricate components or attempt service on a
running machine.



ALWAYS allow the machine a proper amount of time to
cool before servicing.



Keep the equipment in proper running condition.



Unauthorized equipment modifications will void all
warranties.



Check all fasteners periodically for tightness. Also check
towing tongue bolt, lock nut and wheel lug nuts for wear.



Stop the engine and disconnect the spark plug before
allowing anybody’s hands in the mixing drum.



NEVER pour or spray water over the engine.



Depending on type of mixer, test the
the gasoline enginebefore operating. The purpose of these
switches is to shut down the engine or motor of the mixer



ALWAYS stand clear of the release drum lock. Move
handle downward to empty the drum. Move handle upward
to return to vertical position. Inspect for proper
functionality before starting engine or engaging blades.
Any binding of material between the mixing blades &
drum will cause the handle to quickly rotate if not in the
"up & locked" position.



DO NOT operate this equipment unless all guards and
safety devices are attached and in place.

ON/OFF

switch for



Fix damage to the equipment immediately and always
replace broken parts.



Dispose of hazardous waste properly. Examples of
potentially hazardous waste are used motor oil, fuel and
fuel filters.



DO NOT use food or plastic containers to dispose of
hazardous waste.



DO NOT pour waste, oil or fuel directly onto the ground,
down a drain or into any water source.



Refer to the
technical questions or information recommended by Stow
for this equipment. Damage to the equipment and/or injury
to user may result.

HONDA Engine Owner's Manual

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 9

for engine

EMERGENCIES



ALWAYS know the location of the nearest

fire extinguisher



ALWAYS know the location of the nearest

first aid kit



In emergencies,
of the nearest phone or
Also know the phone numbers of the nearest

ambulance, doctor

information will be invaluable in case of emergency.

.

.

always

know the location

keep a phone on the job site

and

fire department

. This

RULES AND REGULATIONS

.

PAGE 10 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)



TOWING SAFETY PRECAUTIONS

CAUTION — Inspect Towing Components

To reduce the possibility of an accident while transporting
the machine on public roads, always make sure that the
equipment’s towing components and the towing vehicle
are in good operating condition and both units are
mechanically sound. Remember before towing,

local and state laws for proper compliance.

The following list of suggestions should be used when towing
the mixer:



Check with your county or state safety towing regulations
department before towing your

mixer

check with

.

ALWAYS make sure that the fuel valve lever is in the
OFF position (gasoline models only).



Check wheel mounting lug nuts with a torque wrench.
Torque wheel lug nuts as described in the maintenance
section of this manual.



Check tightness of U-clamp nuts, torque suspension
hardware as referenced in the maintenance section of this
manual.



Avoid sudden stops and starts. This can cause skidding,
or jackknifing. Smooth, gradual starts and stops will
improve gas milage.



Avoid sharp turns to prevent rolling.

Tow bar to vehichle connection (Coupler only)



Make sure that the hitch and coupling of the towing
vehicle are rated equal to, or greater than the trailer "gross
vehicle weight rating" (GVWR).



ALWAYS inspect the hitch and coupling for wear. NEVER
tow the mixer with defective hitches, couplings, chains
etc.



CHECK the tire air pressure on both the towing vehicle
and the trailer. Also check the tire tread wear on both
vehicles.



ALWAYS make sure the mixer is equipped with a “Safety
Chain.”

1. Check the vehicle hitch ball, and mixer's coupler for
signs of wear or damage. Replace any parts that are
worn or damaged before towing.

2. Use only a 2-inch ball diameter (towing vehicle), this will

If the mixer tow bar is deformed or damaged, replace
the
tow bar. There exists the possibility of the mixer
separating from the towing vehicle.

TOWING GUIDELINES

CAUTION — Replacing Towing Components

entire

tow bar. NEVER tow the mixer with a defective



ALWAYS attach trailer's safety chain to the frame of
towing vehicle.



ALWAYS make sure that the towing vehicle's directional,
backup, and brake lights are working properly.



Remember in most cases the maximum speed unless
otherwise posted for highway towing is 55 MPH, however
before towing your mixer, check your local state, and
county vehicle towing requirements. Recommended off­road towing is not to exceed 10 or 15 MPH or less
depending on type of terrain.



Place

chocked blocks

rolling,

vehicle.



Inflate tires to correct pressure, inspect tires for cuts, and
excessive wear. See Table 9 (Tire Wear Troubleshooting).



When towing of the mixer is required, place the drum in the
up position (mouth facing upwards) and lock the drum latch.

while parked, if disconnected from towing

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 11

underneath wheels to prevent

match the mixer's 2-inch coupler. Use of any other ball
diameter will create an extremely dangerous condition which
can result in separation of the coupler and ball or ball
failure.

3. After tow bar has been connected to mixer (see next page),
attach mixer's coupler to the hitch ball on the towing vehicle
securely and make sure the lock lever is in the down
position (locked).

Mixer Tow Bar Vehicle Connection (Pentle and Loop)

1. Make sure the bumper on the towing vehicle is equipped
to handle either a pintle or loop type tow bar configuration.

2. After tow bar has been connected to mixer (see next page),
secure either type of tow bar to the towing vehicle, following
state and county towing regulations.

3. As a minimum, use a 1/2-inch bolt and nylock nut grade 5
when securing the tow bar to the towing vehicle and to
the unit being towed.

SAFETY CHAIN CONNECTION

CAUTION — Tow With Safety Chain

NEVER! tow the mixer with the safety chain removed.

The safety chain is intended to prevent complete
separation of the mixer from the towing vehicle in the
event of a tow bar failure.

Reference Figure 1 for the installation of the

safety chain

TOW BAR TO MIXER CONNECTION

1. Insert the tow bar through the round opening at the
bottom of the mixer stand.

Align the hole on the tow bar with the hole on the mixer
frame, and insert 1/2-inch bolt through tow bar and
frame. Secure tow bar to frame with 1/2-inch nylock
nut. Tighten to 40 ft.-lbs.

2. Route the safety chain through the holes just above

3. Extend the safety chain along the length of the tow

.

4. Connect the free end of (clevis safety hook) the safety

the tow bar, located on each side of the mixer stand.

Loop the chain together and place under the tow bar.
Secure the loop with the connector link.

bar, looping it through the tow bar's connector link.
Remove any excess chain slack.

chain to the towing vehicle. Remember it is critical that
the length of the chain be properly adjusted, to prevent
the draw bar and the front of the mixer stand from
dropping to the the ground (contact) in the event the
draw bar becomes disconnected from the towing
vehicle.

If a new safety chain is required use P/N 13363.
For a new connector link use P/N 01004.

Figure 1. Tow Bar and Safety Chain Installation

CAUTION — Drum Safety When Towing

DO NOT tow the mixer unless the mixing drum is
completely empty. ALWAYS make sure the drum lock

lever (Figure 24) is in the verticle position (manual dump
mixers only).

PAGE 12 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

SPECIFICATIONS

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MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 13

DIMENSIONS

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PAGE 14 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

)mc071(.ni76

Application

The Stow MS120 series hydraulic mixers (drum capacity

12.0 cu. ft./340 liters) are shipped completely assembled
and have been factory tested and are ready for use.

This mixer is only intended for the mixing of plaster and
mortar. The mixer must be used for its intended purpose
and is not suitable for the mixing of flammable or explosive
substances. The mixer must not be used in an explosive
atmosphere. This mixer has a batch capacity between 3-1/
2 and 4-1/2 bags.

Power Plants

These hydraulic mixers are powered by an 11 HP Honda
GX390 air-cooled, 4-stroke gasoline engine.

Hardware

Check all hardware on the mixer before starting. Periodically
inspect all hardware. Loose hardware can contribute to early
component failure and poor performance. Use Table 4 as
general guideline when torqueing of mixer hardware is
required. Remember to keep all mixer hardware components
tight.

Engine Maintenance

For basic engine maintenance, refer to the engine
maintenance section in this manual. For a more detailed
engine maintenance, refer to the
manual furnished with the engine.

Honda

Engine Owner's

GENERAL INFORMATION

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MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 15

9. Manual Dump Handle — Pull this handle downward
to dump the contents of the drum. Push the handle
upward to return the drum to its vertical position. This
feature is not available on hydraulic dump models.

10. Safety Grill Lock Handle — To prevent injury to hands
and arms, the safety grill should ALWAYS be locked
when the mixing of plaster or mortar is required. Also
when transporting the mixer the safety grill should be
locked. The safety grill should only be un-locked when
cleaning of the blades and drum is required.

11. Pivot Point/Zerk Fitting — There is a zerk grease
fitting on each end of the mixing drum. These fittings
lubricate the dumping mechanism. Lubricate both
fittings at least twice a week.

12. Drum Lock Lever — Rotate this lever horizontally to

Figure 3. Mixer Components (Wheels)

Figures 3 and 4 illustrate the basic components and controls
of the MS120 series hydraulic mixer

lock the drum for mixing. Rotate vertically to release
the drum for dumping. This feature is not available on
hydraulic dump models.

MIXER COMPONENTS

1. Tires — Replace with manufacturer recommeded tires
only. This mixer requires 13-inch 4-ply tires.

2. Engine Cover — Lift this cover to gain access to the
engine.

3. ON/OFF Switch (gasoline) — This switch is provided
on

mixers with gasoline

on the side of the engine cover. When activated it will
shut down the engine.

4. Latch — Use this latch to secure the engine
compartment enclosure.

5. Drum Bearing — There is a sealed bearing on each
end of the mixing drum. Bearings are packed and sealed
at the factory and require no further maintenance.

6. Mixing Paddles — This mixer uses plastic and rubber
mixing paddles for the mixing of plaster and mortar.
Always clean paddles after each use.

7. Bag Cutter — This feature allows mixing bags to be
opened easily, therefore allowing the contents of the
bag to fall directly into the mixing drum.

engines only and is located

13. Mixing Drum — Mixing drums are available in two

14. Tow Bar/Coupler — This mixer uses a 2-inch coupler

15. Safety Chain — This mixer uses a 3/16-inch thick,

16. Chock Blocks — Place these blocks (not included as

types of materials plastic and steel. Drum capacity is
12 cu. ft (340 liters). Mixing materials such as mortar,
plaster are to be placed into this drum for mixing.
Always clean drum after each use.

or pintle towbar.

72-inches long zinc-plated saftey chain.
connect the safety chain when towing.

part of the mixer package) under each mixer wheel to
prevent rolling.

ALWAYS

8. Safety Grill — Provided for operator safety. This safety
grill is designed to keep hands and solid objects out of
the mixing drum when in use. This grill should be closed
at all times when mixer is in use. DO NOT remove the
grill or grill opening bar. Keep the grill clean by washing
it down daily.

PAGE 16 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

MIXER COMPONENTS/HYDRAULIC COMPONENTS

17

Figure 4. Mixer Components (Stationary)

18

17. Adjustable Stabilizer Jack Stands — Use these jack

stands (3) to adjust the mixer to the desired height.

18. Forklift Pockets — When lifting of the mixer is required,

use these fork lift pockets to lift the mixer. Remember
to insert the forks of the forklift a minimum of 24 inches
into the lift pockets.This feature is only available on
the stationary mixer model.

5. Hydraulic Dump Lever — This lever is provided on
mixers with

HYDRAULIC COMPONENTS

Figure 5 illustrates the hydraulic components used on the
mixer.

1. Hydraulic Motor — Bi-directional hydraulic motor that
is used in conjunction with the directional control valve
to operate the hydraulic dump cylinder and paddle shaft.

2. Hydraulic Dump Cylinder — When activated, this
cylinder will cause the mixing drum to rotate to the
dump position.This cylinder is provided only on mixers
with

hydraulic dump

capability only.

outward to activate dump cylinder.

6. Hydraulic Paddle Blade Lever — 3-position lever.
Push inward for clockwise mixing rotation of blades.
Place in center position for no rotation (neutral/off).

7. Pump — Supplies hydraulic fluid to the hydraulic
control valve.

8. Hydraulic Oil Filter — 10 micron hydraulic filter. Filters
out small particles that are harmful to the hydraulic
system.

9. Strainer — Filters out large particles and debris that

3. Hydraulic Oil Sight Gauge — This gauge indicates

are harmful to the hydraulic system.

the level and temperature of the hydraulic oil. For normal
operation oil level should be visible at the midpoint on
the sightglass.

Figure 5. Hydraulic Components

hydraulic dump

capability only. Pull lever

4. Hydraulic Valve — Directional hydraulic control valve.
Controls the direction of hydraulic fluid supplied to the
dump cylinder and paddle shaft.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 17

Figure 5 shows configuration for electric motor.
Gasoline engine is configured in the same
manner.

Figure 6. Engine Controls and Components

INITIAL SERVICING

ENGINE COMPONENTS

4. Recoil Starter (pull rope) – Manual-starting method.
Pull the starter grip until resistance is felt, then pull
briskly and smoothly.

5. Fuel Valve Lever – OPEN to let fuel flow, CLOSE to
stop the flow of fuel.

6. Choke Lever – Used in the starting of a cold engine,
or in cold weather conditions. The choke enriches the
fuel mixture.

7. Air Cleaner – Prevents dirt and other debris from
entering the fuel system. Remove wing-nut on top of
air filter cannister to gain access to filter element.

Operating the engine without an air filter, with
a damaged air filter, or a filter in need of
replacement will allow dirt to enter the
engine, causing rapid engine wear.

The engine (Figure 6) must be checked for proper lubrication
and filled with fuel prior to operation. Refer to the
manufacturers engine manual for instructions & details of
operation and servicing.

1. Fuel Filler Cap – Remove this cap to add unleaded
gasoline to the fuel tank. Make sure cap is tightened
securely. DO NOT over fill.

DANGER — Explosive Fuel Hazards

Fuel is extremely flammable and its
vapors can cause an explosion if ignited.
DO NOT start the engine near spilled fuel
or combustible fluids. In the event of a

fuel spill, wait until the fuel residue has
been completely wiped up and the area surrounding the
engine is dry before starting the engine.

DO NOT fill the fuel tank while the engine is running or
hot. DO NOT overfill tank, since spilled fuel could ignite
if it comes into contact with hot engine parts or sparks
from the ignition system. Store fuel in approved
containers, in well-ventilated areas and away from
sparks and flames.

WARNING — Burn Hazards

8. Spark Plug – Provides spark to the ignition system.
Set spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch)
Clean spark plug once a week.

9. Muffler – Used to reduce noise and emissions.

10. Fuel Tank – Holds unleaded gasoline. Fuel tank
capacity is 1.7 gallons (6.5 liters) For additional
information refer to engine owner's manual.

Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operation. Never operate
the engine with the muffler removed.

2. Throttle Lever – Used to adjust engine RPM speed
(lever advanced forward
operator

3. Engine ON/OFF Switch – ON position permits engine
starting, OFF position stops engine operations.

FAST

).

PAGE 18 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

SLOW

, lever back toward

Adjust paddles as shown in Figure 7.

PADDLE BLADE ADJUSTMENT

Figure 7. Paddle Blade Adjustment (Steel Drum)

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 19

This section is intended to assist the operator with the
inspection of the hydraulic mixer. It is extremely important
that this section be read carefully before attempting to use
the mixer in the field.

DO NOT use your mixer until this section is thoroughly
understood.

BEFORE STARTING

INSPECTION

Reference manufacturer engine manual for
specific servicing instructions.

1. Read

all safety instructions

at the beginning of

manual.

2. Clean the

mixer

, removing dirt and dust, particularly

the engine cooling air inlet, carburetor and air cleaner.

3. Check the air filter for dirt and dust. If air filter is
dirty, replace air filter with a new one as required.

4. Check carburetor for external dirt and dust. Clean with
dry compressed air.

5. Check fastening nuts and bolts for tightness.

ENGINE OIL CHECK

1. To check the engine oil level, place the mixer on secure
level ground with the engine stopped.

2. Remove the filler dipstick from the engine oil filler hole
(Figure 8) and wipe it clean.

FUEL CHECK

DANGER — Explosive Fuel Hazards

mishandled. DO NOT smoke while refueling. DO NOT
attempt to refuel the mixer if the engine is hot! or

running.

Figure 9. Engine Oil Dipstick (Removal)

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If your mixer has a gasoline engine,
determine if the engine fuel is low. If fuel
is low, remove the fuel filler cap and fill it
with unleaded gasoline. Motor fuels are
highly flammable and can be dangerous if

Figure 8. Engine Oil Dipstick (Removal)

3. Insert and remove the dipstick without screwing it into
the filler neck. Check the oil level shown on the dipstick.

NEVER! disable or disconnect the start/stop switch. It

is provided for operator safety. Injury may result if it is
disabled, disconnected or improperly maintained.

4. If the oil level is low (Figure 9), fill to the edge of the oil
filler hole with the recommended oil type (Table 6).
Maximum oil capacity is 1.16 quarts (1.1 liters).

1. Remove the gasoline cap located on top of fuel tank.

2. Visually inspect to see if fuel level is low. If fuel is low,

3. When refueling, be sure to use a strainer for filtration.

PAGE 20 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

CAUTION — Start/Stop Switch

replenish with

unleaded

fuel.

DO NOT top-off fuel. Wipe up any spilled fuel.

HYDRAULIC OIL

Check hydraulic oil sight gauge (Figure 10) to ensure that
hydraulic oil is at the midway level.

Figure 10. Hydraulic Oil Sight Gauge

INSPECTION

HYDRAULIC HOSES

Check hydraulic hoses to make sure they are not worn,
frayed or defective.

GREASE FITTINGS (BEARINGS)

Check the zerk grease fittings (Figure 11) on the bearing
housings and dump support brackets at each end of the
mixing drum. These grease fittings lubricate the dumping
mechanism. If the dumping handle is stiff or hard to move
lubricate these fittings.

Figure 12. Grease Fittings (Dump Cylinder)

BLADE CHECK

Check for worn or paddle blades. Make sure that all blades
are adjusted properly. See blade adjustment procedure in
this manual. Replace all defective or damaged blades
immediately.

DUMP HANDLE (MANUAL DUMP MACHINES ONLY)

Before operating a manual dump mixer, ensure that the
dump handle has been placed in the operating position.
See Figure 13.

1. Remove and retain nuts (2) and bolts (2) that secure
dump handle to the drum in towing position.

2. Place dump handle in operating position and re-install
nuts and bolts to secure dump handle to drum.

Figure 11. Grease Fittings (Bearings)

GREASE FITTING (DUMP CYLINDER)

1. If your unit has hydraulic dump capability, check the
zerk grease fitting at the top of the dump cylinder
(Figure 12). This grease fitting lubricates the hydraulic
dumping mechanism.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 21

Figure 13. Dump Handle

INITIAL START-UP

STARTING THE ENGINE

4. Place the engine ON/OFF switch (Figure 17) in the ON

The following steps outline the procedure for starting the
engine. Depending on the type of engine employed in the
mixer the steps may vary slightly.

1. Place the fuel valve lever (Figure 14) in the ON position.

2. To start a cold engine, move the choke lever (Figure

5. Located on the engine cover is the
switch (Figure 18). Pull this switch outward to start the
engine.

Figure 14. Fuel Shut-OFF Lever

15) to the CLOSED position.

position position.

Figure 17. Engine ON/OFF Switch

engine start/stop

START STOP

SWITCH

6. Pull the

Figure 15. Choke Lever

3. Move the throttle lever (Figure 16) away from the slow
position, about 1/3 of the way toward the fast position.

PULL OUT
TO START

PUSH

TO STOP

Figure 18. Main ON/OFF Switch

starter grip

(Figure 19) lightly until you feel
resistance, then pull briskly. Return the starter grip
gently. Push the clutch lever forward, toward the tow
tongue end of the mixer. When engine starts, adjust
throttle lever so that paddle shaft inside mixer rotates
between 30-40 RPMs. The number of RPMs will vary
depending on engine type and load.

Figure 16. Throttle lever Lever

Figure 19. Starter Grip

PAGE 22 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

INITIAL START-UP /OPERATION

MIXING

1. On the hydraulic valve, push lever inward (Figure 20)
for clockwise mixing rotation of blades.

2. The paddle shaft inside the drum should be rotating at
this time.

3. Add a small amount water to the mixing drum.

4. Lift the mixing bag compound onto the steel safety
grate over the bag cutter and let the contents fall into
the drum. Add more water if desired and mix compound
to desired consistency.

Figure 21. Drum Lock Lever

When the drum lock lever is placed
horizontally, the drum will be maintained in
the vertical position as the paddles rotate.

This condition does not apply to models that
have hydraulic dump capability.

Figure 20. Hydraulic Paddle Lever

5. Manual dump machines only: When mixing plaster or
mortar, the
the horizontal (down) position. (Does not apply to
hydraulic dump mixers.)

drum lock lever

(Figure 21) should be in

WARNING — Dump Handle Safety

ALWAYS
handle

Any binding of material between the
mixer blades and the drum will cause
the drum handle to quickly move and
could cause severe bodily harm.

stand clear of the

when the mixer is operational.

dump

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 23

OPERATION

DUMPING (MANUAL)

1. Release drum lock lever by pushing lever into vertical
position (Figure 22).

Figure 22. Drum Lock Lever

2. Pull dump handle downward to discharge (empty) the
drum. Move dump handle upward to return it to vertical
position. (Figure 23).

DUMPING (HYDRAULIC)

1. If operating a mixer with hydraulic dump capability, pull
hydraulic dump lever (Figure 24) outward to place drum
in dump position (Figure 25).

Figure 23. Manual Dump Handle

3. Drum lock lever automatically moves back to horizontal
position, locking the drum back into vertical position.

2. Push hydraulic dump lever inward to place drum back

4. Inspect for proper functionality before starting the engine
or engaging blades. Any binding of material between the
mixing blades and drum will cause the handle to quickly
rotate if not in the “up and locked” position.

Figure 24. Hydraulic Dump Lever

Figure 25. Hydraulic Dump

in vertical position.

PAGE 24 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

STOPPING THE MIXER

SHUT-DOWN

1. Push the

the engine.

2. Place the fuel valve (Figure 27) lever to the OFF

position.

start/stop

Figure 26. Start/Stop Switch (Stop)

switch (Figure 26) inward to stop

Figure 27. Fuel Valve Lever (Off)

3. Clean mixer as referenced in the maintenance section

of this manual.

CAUTION —Start/Stop Switch

NEVER disable or disconnect the start/stop switch. It

is provided for operator safety.
result if it is disabled, disconnected or improperly
maintained.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 25

Serious Injury

may

MAINTENANCE (ENGINE)

Use Table 6 as a general maintenance guideline when servicing your engine. For more detail engine maintenance information,
refer to the engine owner's manual supplied with your engine.

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PAGE 26 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

MAINTENANCE (ENGINE)

MAINTENANCE

Perform the scheduled maintenance procedures as defined
by Table 8 and below:

Daily

■

Thoroughly remove dirt and oil from the engine and
control area. Clean or replace the air cleaner elements
as necessary. Check and retighten all fasteners as
necessary. Check the gearbox for oil leaks. Repair or
replace as needed.

3. Replace engine oil with recommended type oil as listed

4. Install drain bolt with sealing washer and tighten

ENGINE AIR CLEANER

1. Remove the air cleaner cover and foam filter element

2. Tap the paper filter element (Figure 30) several times

Weekly

■

Remove the fuel filter cap and clean the inside of the
fuel tank.

■

Remove or clean the filter at the bottom of the tank.

■

Remove and clean the spark plug (Figure 28), then adjust
the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). This
unit has electronic ignition, which requires no
adjustments.

3. Clean foam element in warm, soapy water or

in Table 6. For engine oil capacity, see Table 2 (engine
specifications). DO NOT overfill.

securely.

as shown in Figure 34.

on a hard surface to remove dirt, or blow compressed
air [not exceeding 30 psi (207 kPa, 2.1 kgf/cm2)] through
the filter element from the air cleaner case side.
brush off dirt. Brushing will force dirt into the fibers.
Replace the paper filter element if it is excessively
dirty.

nonflammable solvent. Rinse and dry thoroughly. Dip
the element in clean engine oil and completely squeeze
out the excess oil from the element before installing.

NEVER

DO NOT use gasoline as a cleaning solvent to avoid

creating the risk of fire or an explosion.

Figure 28. Spark Plug Gap

ENGINE OIL

1. Drain the engine oil when the oil is

Figure 29.

2. Remove the oil drain bolt and sealing washer and allow

the oil to drain into a suitable container.

warm

as shown in

DANGER — Explosive Hazard

Figure 29. Engine Oil (Draining)

Figure 30. Engine Air Cleaner

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 27

MAINTENANCE (MIXER)

DRUM HEAD SEALS

There is 1 set of drum head seals (Figure 31) that will require
lubrication. Lubricate the grease fitting for each drum seal

after each use

using any grade lithium base grease. Apply

BALL SOCKET AND CLAMP FACE MAINTENANCE

1. If the towing vechicle is equipped with a ball socket,

grease until visible inside of mixing drum (over grease).
This will purge seal system of contamination.

GREASE FITTING

AND CAP

DRUM HEAD

SEALS

GREASE FITTING

AND CAP

2. Periodically oil

3. When parking or storing your mixer. Keep the coupler

HYDRAULIC OIL FILTER

Replace hydraulic oil filter (Figure 33) every 500 hours.
Hydraulic tank capacity is 12 gallons (45 liters). Refill with
any of the following hydraulic oil types. Shell Tellius 68,
Mobil DFE26 or Texaco Rand HDC.

Figure 31. Grease Fittings (Drum Head Seals)

smear socket periodically with multi-purpose grease.
This will keep the ball socket well lubricated.

pivot points

and

clamp face

surfaces

of coupler with SAE 30 WT. motor oil.

off the ground so dirt will not build up in the ball socket.

DRUM BEARING BRACKET LUBRICATION

There is 1 set of drum bearing brackets (Figure 32) that will
require lubrication. These brackets are intended to make
the drum rotate freely. Lubricate the grease fitting for each
drum bearing bracket

becomes difficult to position

grease.

every month or when the drum

using multi-purpose grade

WHEEL BEARINGS

1. After every 3 months of operation, remove the hub
dust cap and inspect the wheel bearings (Figure 34).
Once a year, or when required, disassemble the wheel
hubs remove the old grease and repack the bearings
forcing grease between rollers, cone and cage with a
good grade of high speed wheel bearing grease (
use grease heavier than 265 A.S.T.M. penetration (“No.

2.”)

Figure 32. Grease Fittings (Dumping Mechanism)

Figure 33. Hydraulic Oil Filter

never

CAUTION — Lubricate Grease Fittings

Failure

to lubricate the drum bearing grease fittings
eriodically will cause the dumping mechanism to stiffen,
making the mixing drum hard to dump.

PAGE 28 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

Figure 34. Wheel Hub and Bearings

MAINTENANCE (MIXER)

TIRES/WHEELS/LUG NUTS

Tires and wheels are a very important and critical
components of the trailer. When specifying or replacing
the trailer wheels it is important the wheels, tires, and axle
are properly matched.

WARNING — Damaged Wheels

DO NOT attempt to repair or modify a

wheel. DO NOT install an inter-tube
to correct a leak through the rim. If
the rim is cracked, the air pressure in

LUG NUT TORQUE REQUIREMENTS

It is extremely important to apply and maintain proper wheel
mounting torque. Be sure to use only the fasteners matched
to the cone angle of the wheel. Proper procedure for
attachment of the wheels is as follows:

1. Start all wheel lug nuts by hand.

2. Torque all lug nuts in sequence. See Figure 35. DO
NOT torque the wheel lug nuts all the way down. Tighten
each lug nut in 3 separate passes as defined by Table

10.

the inter-tube may cause pieces of the
rim to explode (break-off) with great force and can cause
serious eye or bodily injury.

TIRES WEAR/INFLATION

Tire inflation pressure is the most important factor in tire
life. Pressure should be checked cold before operation.
DO NOT bleed air from tires when they are hot. Check
inflation pressure weekly during use to insure the maximum
tire life and tread wear.

eziSleehW

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WARNING — Eyesight Hazard

ALWAYS

wear safety glasses when
removing or installing force fitted
parts. Failure to comply may result in
serious injury.

Table 9 (Tire Wear Troubleshooting) will help pinpoint the
causes and solutions of tire wear problems.

"6152-0206-05021-09

NEVER!

use an pneumatic air gun to tighten

wheel lug nuts.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 29

MAINTENANCE (MIXER)

3. After first road use, retorque all lug nuts in sequence.
Check all wheel lug nuts periodically.

SUSPENSION

The suspension type axle and associated hardware (Figure

36) should be periodically inspected for signs of excessive
wear, elongation of bolt holes, and loosening of fasteners.
Replace all damaged parts immediately.

MIXER CLEANING

It is important that the drum interior is free of dried material.
Obstructions can cause the paddle blades to lock against
the drum resulting in sudden dump handle movement.

Figure 36. Axle Support Components

Figure 35. Wheel Lug Nuts Tightening Sequence

1. Stop the engine. Push the engine “Kill” button to the
“OFF” position.

2. Place the hydraulic paddle lever (Figure 5) in "neutral"
position do disengage.

3.

ALWAYS disconnect the spark plug wire

cleaning the inside of the drum. In addition make sure
the clutch engagement lever is

4. Place “Do Not Operate” tag on mixer.

5. Make sure the rear section of safety grate is connected
to the mixing drum.

6. At the end of each day’s operation, place mixer drum
in an upright position and spray inside of tub
immediately with water to prevent lumps of dried mortar
or plaster from forming and contamination of future
batches, DO NOT allow a buildup of materials to form
on the blades or anywhere inside the drum.

7. Rotate mixer to dump position and remove debris.

8.

Thoroughly clean

and frame.

the entire mixer, wheels, cabinet

disengaged

before

.

PAGE 30 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

MAINTENANCE (MIXER)/STORAGE

9.

NEVER!

37).

10. When cleaning of the entire mixer is done, return
mixing drum to an upright position.

WARNING — Keep Hands Clear of Drum

When rotating the mixing drum from the dump position
to the upright position, keep hands clear of safety
grate. The possibility exists of hands or fingers being
crushed (Figure 42).

pour or spray water over the engine (Figure

Figure 37. No Spraying of Water

MIXER STORAGE

For storage of the mixer for over 30 days, the following is
recommended:

zz

z

Drain the fuel tank completely, or add STA-BIL to the

zz

fuel.

zz

z

Run the engine until the fuel is completely

zz

consumed.

zz

z

Completely drain used oil from the engine crankcase

zz

and fill with fresh clean oil, then follow the procedures
described in the engine manual for engine storage.

zz

z

Clean the entire mixer and engine compartment.

zz

zz

z

Place the mixing drum in the down position (mouth facing

zz

downward).

zz

z

Cover the mixer and place it a clean dry area, that is

zz

protected from harsh elements.

Figure 38. Safety Grate (Crush Hazard)

WARNING — Disengaged Drum Lock

DO NOT start engine or engage paddle arms when drum

lock lever is not engaged.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 31

TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a
breakdown, please take a remedial action following the diagnosis based on the
9 and 10) information shown below and on the proceeding pages. If the problem cannot be remedied, please leave the unit
just as it is and consult or company's service department.

MOTPMYS MELBORPELBISSOP NOITULOS

Engine

GNITOOHSELBUORTENIGNE.9ELBAT

and

Mixer

Troubleshooting (Tables

?tignihcaersi

?leuFoN leuFddA

?knatleufniretaW .knatleufecalperrohsulF

?deggolcretlifleuF retlifleufecalpeR

?roterubrackcutS .msinahcemtaolfkcehC

gnitratsrooP

?gulp

?liooN .deriuqersalioddA

?esool

?dersigulpkrapS .tinunoitingirotsinartkcehC.deluofsigulpkrapS

?gnitratsnopu

leuffieesotroterubractcepsnI

?etihw-eulbsigulpkrapS

krapsfopittatneserpkrapsoN

/tratS

sknilbpmalmralaerusserpliO

?revonruttonlliwenignE .tniojlexayrassecenfidnanotsipdnarednilycecalpeR

stlobgnitcennocdaehrednilyC

enilleufkcehC

erastejroterubraC.gnikaelriadetcejni,noisserpmoctneiciffusnI

.)wolfrevo(deggolc

.nekorbrodekcarcdrocegatlovhgih,nekorbtinunoitingirotsinarT

.deluoffigulpkrapsecalpeR.nekorbhctiwspotS

."rosneslio"tiucricnwodtuhscitamotuAkcehC

.stlobgnitcennocdaehrednilycnethgiT

"noisserpmoc

"noisserpmoc"

on"tuptuorewoptneiciffusnI

?esoolsigulpkrapS .gulpkrapsecalpeR

?sgnirnotsipnroW .sgnirnotsipecalpeR

tuptuorewoptneiciffusnI

?daeh

?degamadteksagdaehrednilyC .teksagdaehrednilycecalpeR

?taesevlavfonoitcnuflaM .sevlavtaes-eR

renaelc-rianinoitcnuflaM
?deggolcretlifria,metsys

ecafretnimorfnignikaelriA

rednilycdnaroterubracneewteb

?metsysleufninoitcnuflaM

.retlifriaecalperronaelC

ecalpeR.daehrednilycdnaroterubracneewtebstlobnethgiT

.teksagdaehrednilyc

.retlifleufecalperronaelC

.roterubracecalperronaelC

.taolfroterubrackcehC

PAGE 32 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

TROUBLESHOOTING (ENGINE)

MOTPMYS MELBORPELBISSOP NOITULOS

)DEUNITNOC(GNITOOHSELBUORTENIGNE.9ELBAT

tuptuorewoptneiciffusnI

staehrevodna"noisserpmoc"

leufhcumotsnruB

ylsuoinitnocsiroloctsuahxE

"ETIHW"

ylsuoinitnocsiroloctsuahxE

"KCALB"

?stcudorp

?ytisocsiv

?sgnirnroW sgnirecalpeR

?nafgniloocninoitcnuflaM .nafgniloocecalperrokcehC

?deggolcretlifekat-niriA .retlifekat-niriaecalperronaelC

tsuahxefonoitalumuccarevO

?gulpkrapsgnorW .gulpkrapsepytdetseggusserutcafunamhtiwgulpkrapsecalpeR

gnorwsiliognitacirbuL

?deggolcrennaelcriA .renaelcriaecalperronaelC

tesneebtonsahevlavekohC

?noitisoptcerrocehtot

nolaes,evitcefedroterubraC

?nekorbroterubrac

tnemtsujdaroterubracrooP

?hcirootsnurenigne"

.sevlavkcehcdnanaelC

.yrassecenfiecalper,relffumkcehC

.ytisocsivtcerrochtiwliognitacirbulecalpeR

.noitisoptcerrocehtotevlavekohctsujdA

.laesroroterubracecalpeR

.roterubractsujdA

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 33

TROUBLESHOOTING (MIXER)

GNITOOHSELBUORTREXIM.01ELBAT

MOTPMYS MELBORPELBISSOP NOITULOS

,yvaehootdaollairetaM

?ytilibapacreximgnideecxe

gniximedisnikcutstcejbO

elddapgnimmaj,murd

?noitator

evlavfeilertcerrocnI

.etatortonlliwsedalB

murdmorfgnikaellairetaM

.sdne

egrahcsidottluciffidmurD

)tlit(

?erusserp

.deepsenignekcehC .0063MPRreporP

rorotomciluardyhevitcefeD

?pmup

rednilycciluardyhwolS

?gnipmud

elddapevitcefedronroW

?slaestfahs

murdnrowroevitcefeD

?stekcarbtroppus

.thgitootdetsujdasedalB

.noitcurtsbo

.secivreSlacinhceTQMtcatnoC

.laesrednilycevitcefeD

.slaesecalpeR

.murd

.deximgnieblairetamfotnuomaecudeR

evomeR.stnetnocmurdtuoytpmE.enignepotS

.erusserpfeilerISP0571reporproftcepsnI

.ecalperrotekcarbotesaergylppA

fosllawedishcuottsomlayehtlitnusedalbtsujdA

PAGE 34 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HYDRAULIC SYSTEM DIAGRAM

Figure 39. Hydraulic System Diagram

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 35

EXPLANATION OF CODE IN REMARKS COLUMN

The following section explains the different symbols and
remarks used in the Parts section of this manual. Use the help
numbers found on the back page of the manual if there are any
questions.

The contents and part numbers listed in the parts section are
subject to change
guarantee the availibility of the parts listed.

Sample Parts List:

NO. PART NO. PART NAME QTY. REMARKS

1 12345 BOLT ...................... 1 ...... INCLUDES ITEMS W/

2

*

2*12347 WASHER, 3/8 IN. ... 1 ......

3 12348 HOSE ................... A/R .... MAKE LOCALLY

4 12349 BEARING ............... 1 ...... S/N 2345B AND ABOVE

NO. Column

Unique Symbols - All items with same unique symbol

(*, #, +, %, or >) in the number column belong to the same
assembly or kit, which is indicated by a note in the “Remarks”
column.

Duplicate Item Numbers - Duplicate numbers indicate
multiple part numbers are in effect for the same general
item, such as different size saw blade guards in use or a
part that has been updated on newer versions of the same
machine.

When ordering a part that has more than one
item number listed, check the remarks column
for help in determining the proper part to order.

without notice

WASHER, 1/4 IN. .............

. Multiquip does not

NOT SOLD SEPARATELY
MQ-45T ONLY

*

QTY. Column

Numbers Used - Item quantity can be indicated by a

number, a blank entry, or A/R.
A/R (As Required) is generally used for hoses or other parts

that are sold in bulk and cut to length.
A blank entry generally indicates that the item is not sold

separately. Other entries will be clarified in the “Remarks”
Column.

REMARKS Column

Some of the most common notes found in the “Remarks”
Column are listed below. Other additional notes needed to
describe the item can also be shown.

Assembly/Kit

unique symbol will be included when this item is purchased.

Indicated by:

“INCLUDES ITEMS W/(unique symbol)”

Serial Number Break

number range where a particular part is used.

Indicated by:

“S/N XXXXX AND BELOW”
“S/N XXXX AND ABOVE”
“S/N XXXX TO S/N XXX”

Specific Model Number Use

used only with the specific model number or model number
variant listed. It can also be used to show a part is NOT
used on a specific model or model number variant.

Indicated by:

“XXXXX ONLY”
“NOT USED ON XXXX”

- All items on the parts list with the same

- Used to list an effective serial

- Indicates that the part is

PART NO. Column

Numbers Used - Part numbers can be indicated by a

number, a blank entry, or TBD.
TBD (To Be Determined) is generally used to show a part

that has not been assigned a formal part number at time of
publication.

A blank entry generally indicates that the item is not sold
separately or is not sold by Multiquip. Other entries will be
clarified in the “Remarks” Column.

PAGE 36 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

“Make/Obtain Locally”

purchased at any hardware shop or made out of available
items. Examples include battery cables, shims, and certain
washers and nuts.

“Not Sold Separately”

purchased as a separate item and is either part of an
assembly/kit that can be purchased, or is not available for
sale through Multiquip.

- Indicates that the part can be

- Indicates that an item cannot be

SUGGESTED SPARE PARTS

MS120 1 TO 3 UNITS

Qty. P/N Description

6 ............ 491010 ............ RUBBER LATCH ASSY.

1 ............ EM200293A .... PADDLE ARM TOW SIDE

1 ............ EM200294A .... PADDLE ARM CENTER TOW SIDE

1 ............ EM200295A .... PADDLE ARM CENTER ENGINE SIDE

1 ............ EM200296A .... PADDLE ARM ENGINE SIDE

3 ............ EM200863 ...... RUBBER BLADE KIT (STEEL DRUM)

3 ............ EM204625 ...... RUBBER BLADE KIT (PLASTIC DRUM)

4 ............ EM200297 ...... U-BOLT

2 ............ 3530 ................ PADDLE SHAFT, SEAL KIT

2 ............ EM902153 ...... BEARING, PADDLE SHAFT

MS120 5 TO 10 UNITS

Qty. P/N Description

10 .......... 491010 ............ RUBBER LATCH ASSY.

2 ............ EM200293A .... PADDLE ARM TOW SIDE

2 ............ EM200294A .... PADDLE ARM CENTER TOW SIDE

2 ............ EM200295A .... PADDLE ARM CENTER ENGINE SIDE

2 ............ EM200296A .... PADDLE ARM ENGINE SIDE

6 ............ EM200863 ...... RUBBER BLADE KIT (STEEL DRUM)

3 ............ EM204625 ...... RUBBER BLADE KIT (PLASTIC DRUM)

16 .......... EM200297 ...... U-BOLT

4 ............ 3530 ................ PADDLE SHAFT, SEAL KIT

4 ............ EM902153 ...... BEARING, PADDLE SHAFT

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 37

NAMEPLATE AND DECALS

PAGE 38 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

NAMEPLATE AND DECALS

NO. PART NO. PART NAME QTY. REMARKS

1 DCL151 DECAL, TOWING INSTRUCTIONS 2
2 EM948630 DECAL, PUSH TO STOP 1
3 DCL160A DECAL, CRUSH WARNING 2
4 512527 DECAL, STOW 3
5 504713 DECAL, SAFETY INSTRUCTIONS 1
6 35137 DECAL, WARNING READ 1
7 512527 DECAL, STOW 3
8 513479 DECAL, WARNING SAFETY GRATE 1
9 DCL335 DECAL, CRUSH WARNING SAFETY GRATE 1
10 DCL280 DECAL, WARNING DUMP HANDLE 1
11 13238 DECAL, CONTROLS, MOLD-IN 1
12 13118 DECAL, POWDER COATED 1

13 NAMEPLATE........................................................ 1 ......... CONTACT PARTS DEPT.

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 39

PADDLE BLADES ASSY.

6

SIDE

5

E

N

D

2

CENTER

ENGINE END

ENGINE END

SIDE

9

CENTER

TOW END

8

7

2

8

7

7

2

15

5

3

SIDE

16

18

E

N

D

SIDE

OR

E

S

N

C

D

R

A

P

E

P

R

R

O

U

L

B

Y

B

E

R

10

S

I

D

E

S

C

P

R

A

P

O

L

Y

O

E

R

R

U

R

B

E

B

10

19

17

WIPER

AND

SCRAPPER

R

13

HARDWARE

KIT

TOW

END

11

14

12

PAGE 40 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

PADDLE BLADES ASSY.

NO. PART NO. PART NAME QTY. REMARKS

2 492584 NUT, LOCK 1/2" 8
3 EM200295A PADDLE ARM, CENTER TOW END 1
5 EM200292 INSERT, PADDLE ARM 8
6 EM200293A PADDLE ARM, TOW END 1
7 6109170 WASHER, FLAT 1/2" 8
8 EM200297 U-BOLT, END PADDLES 4
9 EM200294A PADDLE ARM, CENTER ENGINE END 1
10
11
12
13
14
15
16 EM200296A PADDLE ARM, ENGINE END 1
17
18

19 EM200863 KIT, RUBBER BLADES, SCRAPERS & HARDWARE .... 1............ INCLUDES ITEMS W/

492366 SCREW, HHC 5/16-18 X 1-1/2 G5 14

*

EM923023 WASHER, FLAT 5/16" STEEL 28

*

EM200212 WIPER, SIDE (RUBBER) 4

*

EM203432 SCRAPPER, SIDE 4

*

2105164 NUT, HEX 5/16" 14

*

EM923343 WASHER, LOCK 5/16" 14

*

EM203433 SCRAPPER, END 2

*

EM200213 BLADE, RUBBER (END) 2

*

*

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 41

STEEL DRUM ASSY. (MANUAL)

PAGE 42 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

STEEL DRUM ASSY. (MANUAL)

NO PART NO PART NAME QTY. REMARKS

1# EM203449 GRATE, MOVABLE 1
2# 7170 5/32" 3-5/16" 2
3# 6109170 WASHER, FLAT 1/2" 3
4# 13276Y BAR, GRATE LATCH 1
5# EM969013 NUT, NYLOC 3/8" 8
6# EM621 WASHER, FLAT 1/2" SPECIAL 4
7# 491008 CAP, GREASE FITTING 4
8# EM916019 GREASE FITTING 4

9# EM963105 SCREW, HHCS 1/2" NC X 2" G5 ............... 4........... REPLACES EM492396

10# 13260Y FRONT DUMP SUPPORT BRACKET 1
11# 3249Y CAP, DUST 1
12# EM963610 HHCS 3/8" NC X 1-1/4" G8 8
13# EM924015 PIN, COTTER 3/16" X 1 2
14# 3291 BEARING HOUSING FRONT 1
15# 516457 BEARING HOUSING, REAR 1
16# 13259Y REAR DUMP SUPPORT BRACKET 1
17# EM963692 HHCS 1/2"-13 X 1-1/2" 1
18# 492584 NUT, LOCK 1/2" 7
19# 512245Y STEEL DRUM, MANUAL 1
20 EM201537Y MANUAL DUMP HANDLE 1

21 512180 DRUM AND SHAFT ASSY. MANUAL ......... 1........... INCLUDES ITEMS W/#

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 43

STEEL DRUM ASSY. (HYDRAULIC)

1

2

3

2

7

3

4

26

25

REAR

12

25

9

6

16

25

8

17

18

23

19

FRONT

23

7

5

7

8

8

HYDRAULIC DUMP

24

15

21

22

20

9

25

11

10

14

27

6

24

3

PART OF FRAME

NOTES:

COMPLETE DRUM ASSEMBLY, ITEM 27 INCLUDES
ITEMS WITHIN DASHED LINE. ALSO INCLUDED ARE

1

PADDLE SHAFT AND PADDLE ARMS. SEE PADDLE
SHAFT AND PADDLE ARM ASSEMBLIES IN THIS MANUAL.

PAGE 44 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

STEEL DRUM ASSY. (HYDRAULIC)

NO PART NO PART NAME QTY. REMARKS

1# EM203449 MOVEABLE GRATE 1
2# 7170 PIN, HITCH CLIP 5/32" 3-5/16" 2
3# 6109170 WASHER, FLAT 1/2" 3
4# 13276Y BAR, GRATE 1
5# EM969013 NUT, NYLOC 3/8" 4
6# EM621 WASHER, FLAT 1/2" SPECIAL 4
7# 491008 CAP, GREASE FITTING 4
8# EM916019 GREASE FITTING 4

9# EM963105 SCREW, HHCS 1/2" NC X 2" G5 ................... 4 ....... REPLACES EM492396

10# 13260Y FRONT DUMP SUPPORT BRACKET 1
11# 3249Y CAP, DUST 1
12# EM963610 HHCS 3/8" NC X 1-1/4" G8 4
13# EM924015 PIN, COTTER 3/16" X 1 2
14# 3291 BEARING HOUSING FRONT 1
15# 516457 BEARING HOUSING, REAR 1
16# 13259Y REAR DUMP SUPPORT BRACKET 1
17 509000 COTTER PIN 3/16" X 2" 1
18 13228 PIN, DUMP CYLINDER 1
19 3327 CYLINDER, DUMP 1
20 511495 LOCK NUT 1" NC 1
21 13286Y SPACER, LOWER HYDRAULIC CYLINDER 1
22 511526 SCREW HHCS 1" NC X 8 1
23 3047 SPACER, 2" X 1-1/8 X 1/4" L 2
24# EM963692 HHCS 1/2"-13 X 1-1/2" 7
25# 492584 NUT, LOCK 1/2" 11
26# 516535Y STEEL DRUM, HYDRAULIC 1

27 511173 DRUM AND SHAFT ASSY. HYDRAULIC ....... 1....... INCLUDES ITEMS W/#

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 45

PADDLE SHAFT ASSY.

PAGE 46 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

PADDLE SHAFT ASSY.

NO PART NO PART NAME QTY. REMARKS

1 3061 SPACER, THIN SEAL 14
2# 3494 OUTER SEAL, URETHANE 1-1/4 OD 2
3# 3019 INNER SEAL 1-1/8" 4
4 3024 SPRING 2
5 13002 SEAL, BEARING 1-1/2" 2
7 EM902153 BEARING 2
8 3347 NUT, SPECIAL 1-1/2"-12 1
9 13108 WASHER, FLAT USS 1-1/8" 1
12 3047 SPACER, 2 X 1-1/8" X1/4" L 1
13 8164 NUT, SLOTTED HEX JAM 1-20 1
14 EM924006 PIN, COTTER 1/8 X 3/4" 1
15A 514233Y PADDLE SHAFT (STEEL) 1
15A

*

16A

*

17

*

18

*

19 3530 KIT, SEAL, PADDLE SHAFT ........................ 1 ........... INCLUDES ITEMS W/#

20 514233K KIT, PADDLE SHAFT .................................... 1 ........... INCLUDES ITEMS W/

514234Y PADDLE SHAFT (PLASTIC) 1
514235 COUPLER, KEY STYLE 1
EM502727 KEY, SQUARE 5/16 X 1-3/8" 1
0857 SCREW, SHS 5/16-24 X 1/2" 1

*

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 47

HYDRAULIC ASSY.

PAGE 48 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HYDRAULIC ASSY.

NO. PART NO. PART NAME QTY. REMARKS

2 492356 BOLT 1/4" X 3/4" 2

4 2101402 WASHER, SPRING 1/4" .......................................... 2 ................ REPLACES 492622

8 EM969013 NUT, NYLOCK ......................................................... 1................ REPLACES 492583

10 3019092 WASHER 3/8" FLAT ................................................ 2 ................ REPLACES 492598

12 492584 NUT, LOCK 1/2" 4
14 13147Y ARM, MOTOR TORQUE 1
16 13153 CAP, SPRING MOUNT 2
18 13196 HOSE, PUMP OUTPUT 21" 1
20 13210 STRAINER, IN LINE 1
22 13213 SPRING, DIE 2
24 EM25459 ELBOW 3/4"-90 1
25 511847 FITTING 1
26 511509 BOLT, 3/8" NC X 6" G5 1
28 13219 FITTING 90 3/4 MP X 3/4 MP 1
30 13220 FITTING, STR 12BARB X 3/4MP 1
32 511691 FITTING, STR 1
33 510263 FITTING, 90DEG STRAIGHT ELBOW 1
34 13225 HANDLE, DRIVE VALVE CONTROL 2
36 13243 HOSE W/ 90 DEG FITTING 1
40 13380 HOSE, 3/4 ID X 18-1/2 2

42 EM963105 HEX BOLT 1/2"-13 X 2" .......................................... 4 ................ REPLACES 492396

44 16587 FITTING, STR 10MJ-8MO 2
46 3322 FITTING, 90 10MJ-10MO 1
48 34570 MOTOR, HYDRAULIC 1
50 506207 CLAMP HOSE HS-16 6
52 18052 SIGHT GAUGE AA4724 1
54 3353 CAP, FILLER/BREATHER 1
56 3365 FITTING, STR 10MJ-10MO 3
58 3367 FITTING, 90 12BARB-3/4MP 2
61 511847 FITTING 1
62 3462 HOSE 1
64 8051 FILTER, HYDRAULIC OIL 1
66 506094 PLUG 1/2" NPT GALVANIZED 1

74 3369 FITTING, 90 4MJ-3/8MP ......................................... 2................ HYDRAULIC DUMP ONLY

78 515219 FITTING, 90 DEG 1
80 503117 BOLT 3/8" NC X 3" G5 3
82 0166 A WASHER, LOCK 3/8" MED 3
84 515251 SPACER 3

86 34585 VALVE, FOUR WAY ASSY. ..................................... 1 ................ HYDRAULIC DUMP ONLY

86 3385 VALVE, TWO WAY .................................................. 1 ................ MANUAL DUMP ONLY

88 511845 FITTING, STR. ........................................................ 2 ................ HYDRAULIC DUMP ONLY

90 3407 KNOB 2
92 13243 HOSE W/ 90 DEG FITTING 1

96 TBD HOSE ...................................................................... 2................ HYDRAULIC DUMP ONLY

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 49

FRAME ASSY.

PAGE 50 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

FRAME ASSY.

NO PART NO PART NAME QTY. REMARK

1 13212 GROMMET ............................................. 1 ............. WITH DUMP (HYDRAULIC DUMP CYL.)

2 EM941280 LUG NUT 8

3 13365Y MAIN FRAME ......................................... 1 ............. S/N II27770

4 10133 LOCK NUT 3/8-16 1
5 0447 FLAT WASHER 1/2" 1
6 10176 LOCK NUT 1/2-13 12
7 511493Y GRATE LATCH 1
8 1023 HHCS 3/8-16 X 1.1/4" 1

9 13280Y DRUM LOCK LEVER .............................. 1 ............. W/O DUMP (MANUAL ONLY)

10 3102 HANDLE GRIP ........................................ 1 ............. W/O DUMP (MANUAL ONLY)

11 EM941278 DUST CAP .............................................. 2 ............. REPLACEMENT ONLY

12 13363KIT SAFETY CHAIN ASM ............................. 1 ............. REPLACES 3148

13 3028 U-BOLT 2
14 3215 HHCS 1/2-13 X 3-1/2" 1

15 HLC-1 TOW BAR (LOOP) .................................. 1 ............. CONTACT UNIT SALES

15 HPC-1 TOW BAR (1 " PIN) ................................. 1 ............. CONTACT UNIT SALES

15 HBC-1 TWO BAR (BALL HITCH 2 -INCH) .......... 1 ............. CONTACT UNIT SALES

16 511699Y AXLE, NEW STYLE 1
17 5218 HHCS 1/2-13 X 1-1/2" 4
18 3043 HHCS 1/2-13 X 6" 2
19 3076 AXLE SPRING 2
20 3018 LEAF SPRING 2
21 19045 WHEEL & TIRE 2
22
23 0183 COTTER PIN, 1/8X1-1/4 2
24
25
26
27

28 EM941277 HUB W/BEARING CUPS (5-LUG) ........... 2 ............. INCLUDES ITEMS W/

30
31
32 516180 SAFETY HOOK 1

EM968302 CASTLE NUT, 3/4-16 2

*

EM923161 FLAT WASHER 3/4" 2

*

EM903168 BEARING CONE INNER 4

*

EM903169 BEARING CUP INNER 4

*

EM914324 SEAL 2

*

EM903113 BEARING CONE OUTER 2

*

EM903012 BEARING CUPS OUTER 2

*

*

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 51

STEEL ENGINE COVER ASSY.

PAGE 52 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

STEEL ENGINE COVER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 511580Y ENGINE COVER-STEEL 1
2 509726Y HINGE 2
3 491010 RUBBER LATCH ASSY. 2
4 1284 SCREW, HHCS 3/8-16 X 1-1/2" 4
5 4001 FLAT WASHER 3/8" 8
6 10133 LOCK NUT 3/8-16 4
7 1307 RHMS 8-32 X 1/2" 6

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 53

HONDA ENGINE ASSY.

PAGE 54 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA ENGINE ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 3364 ENGINE, HONDA 11HP GX390U1QA2 1
2 203148 TUBE, EXHAUST 1
3 203123F PLATE 1
4 491797 RIVET, ID PLATE 4
5 29174-001 KNOB-MUSHROOM 1
6 29173-001 SWITCH, PUSH-PULL W/O KNOB 1
7 0310 KEY 1/4 SQUARE 1-1/2 1
8 492379 SCREW CAP 3/8" 4

9 3019092 WASHER 3/8" FLAT ................................................ 6................ REPLACES 492598

10 EM969013 NUT NYLOCK ......................................................... 4................ REPLACES 492583

11 203040 SLEEVE, ENGINE SHAFT, HONDA 1
12 516282 COUPLING ASSY 1

13 0166 A WASHER LOCK 3/8" ............................................... 6................ REPLACES 492624

14 EM963610 CAPSCREW 3/8" NC X 1-1/4" G8........................... 6................ REPLACES 492376

15 13374 PUMP, EATON 26003-RAG 1

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 55

HONDA GX390K1QA2/GX390U1QA2 — AIR CLEANER ASSY.

PAGE 56 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — AIR CLEANER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 16271ZE2000 GASKET, ELBOW 1

2 17210ZE3010 ELEMENT, AIR CLEANER ................ 1 ........ INCLUDES ITEMS W/#

3# 17218ZE3000 FILTER, OUTER 1
4 17231ZE3W01 COVER, AIR CLEANER 1
5# 17232891000 GROMMET, AIR CLEANER 1





6
6
6
7
8

9 17410ZH9N00 ELBOW, AIR CLEANER .................... 1 ........ INCLUDES ITEMS W/

11 90203ZA0800 WINGNUT, 6MM 1
12 90325044000 WINGNUT, TOOL BOX SETTING 1
13 90009ZE2003 BOLT- WASHER 6X22 1
14 9405006000 NUT, FLANGE 6MM 2

17235ZH9N00 NOSE, SILENCER 1



◊◊

◊

17235ZH9N00 NOSE, SILENCER ............................. 1 ........ S/N 1040439 AND BELOW

◊◊
◊◊

17235ZH9N01 NOSE, SILENCER ............................. 1 ........ S/N 1040440 AND ABOVE

◊

◊◊

17238ZE2310 COLLAR, AIR CLEANER 2

*

17239ZE1000 COLLAR B, AIR CLEANER 1

*

*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 57

HONDA GX390K1QA2/GX390U1QA2 — CAMSHAFT ASSY.

PAGE 58 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — CAMSHAFT ASSY.

NO. PART NO. PART NAME QTY. REMARKS





1

1

1
2 14410ZE3013 ROD, PUSH 2

3 14431ZE2010 ARM, VALVE ROCKER.................................. 2 ................ REPLACES 14431ZE2000

4 14441ZE2000 LIFTER, VALVE 2
5 14451ZE1013 PIVOT, ROCKER ARM 2
6
7 14711ZE3000 VALVE, INTAKE 1
8 14721ZE3000 VALVE, EXHAUST 1
9 14751ZE2003 SPRING, VALVE 2
10 14771ZE2000 RETAINER, INTAKE VALVE SPRING 1
11 14773ZE2000 RETAINER, EXHAUST VALVE SPRING 1
12 14775ZE2010 SEAT, VALVE SPRING 1
13 14781ZE2000 ROTATOR, VALVE 1
14 14791ZE2010 PLATE, PUSH ROD GUIDE 1
15 90012ZE0010 BOLT, PIVOT 8MM 2
16 90206ZE1000 NUT, PIVOT ADJ. 2
17
17

14100ZF6W0 CAMSHAFT ASSEMBLY ............................... 1 ................ INCLUDES ITEMS W/



.......................................................................................... SN 2391939 AND BELOW





14100ZF6W01 CAMSHAFT ASSEMBLY ............................... 1 ................ INCLUDES ITEMS W/



.......................................................................................... SN 2391940 AND ABOVE

◊◊

14100ZF6W01 CAMSHAFT ASSEMBLY 1

◊

◊◊

14568ZE1000 SPRING, WEIGHT RETURN 1

*





12209ZE8003 SEAL, VALVE STEM ..................................... 1................ USE FROM ENGINE SN 3065844



◊◊

◊

12209ZE8003 SEAL, VALVE STEM 1

◊◊

*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 59

HONDA GX390K1QA2/GX390U1QA2 — PISTON ASSY.

PAGE 60 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — PISTON ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 13010ZF6003 RING SET, PISTON (STD.) 1
1 13010ZF6005 RING SET, PISTON (STD.) 1
1 13011ZF6003 RING SET, PISTON (OS 0.25), OPT. 1
1 13011ZF6005 RING SET, PISTON (OS 0.25), OPT. 1
1 13012ZF6003 RING SET, PISTON (OS 0.50), OPT. 1
1 13012ZF6005 RING SET, PISTON (OS 0.50), OPT. 1
1 13012ZF6005 RING SET, PISTON (OS 0.50), OPT. 1
1 13013ZF6003 RING SET, PISTON (0.75) NIP.,OPT. 1
1 13013ZF6005 RING SET, PISTON (0.75) NIP.,OPT. 1
2 13101ZF6W00 PISTON (STANDARD) 1
2 13102ZF6W00 PISTON (OS 0.25), OPTIONAL 1
2 13103ZF6W00 PISTON (OS 0.50), OPTIONAL 1
2 13104ZF6W00 PISTON (0.75), OPTIONAL 1
3 13111ZF6W00 PIN, PISTON 1



13200ZE3010 ROD ASSY., CONNECTING (STD.) ......... 1 ....... INCLUDES ITEMS W/

4





............................................................................ SN 3177434 AND BELOW



4



13200ZE3020 ROD ASSY., CONNECTING (STD.) ......... 1 ....... INCLUDES ITEMS W/



............................................................................ SN 3177435 AND ABOVE



4



13200ZE3315 ROD ASSY., CONNECTING (US 0.25) ..... 1 ....... INCLUDES ITEMS W/



◊◊

4

◊

13200ZE3020 ROD ASSY., CONNECTING (STD.) ......... 1 ....... INCLUDES ITEMS W/

◊◊
◊◊

4

◊

13200ZE3315 ROD ASSY., CONNECTING (US 0.25) ..... 1 ....... INCLUDES ITEMS W/

◊◊

5*90001ZE8000 BOLT, CONNECTING ROD 2
6 90601ZE3000 CLIP, PISTON PIN 20MM 2

*
*
*

*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 61

HONDA GX390K1QA2/GX390U1QA2 — CRANKCASE COVER ASSY.

PAGE 62 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — CRANKCASE COVER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1
2

2

2
3
3
3

4 15600ZG4003 CAP ASSEMBLY, OIL FILLER ......................... 1 ......... INCLUDES ITEMS W/%

5 15600735003 CAP ASSEMBLY, OIL FILLER ......................... 1 ......... INCLUDES ITEMS W/%

8% 15625ZE1003 GASKET, OIL FILLER CAP 2
9
10
11
12
13
13
13
15
16 90701HC4000 PIN, DOWEL 8X12 2
17
18
19 957010804000 BOLT, FLANGE 8X40 7
20
21

06165ZE3000 GOVERNOR KIT (OPIONAL) ........................... 1 ......... INCLUDES ITEMS W/#

*





11300ZE3602 COVER ASSY., CRANKCASE (Q TYPE) ........ 1 ......... INCLUDES ITEMS W/



...................................................................................... S/N 3287256 AND BELOW





11300ZE3604 COVER ASSY., CRANKCASE (Q TYPE) ........ 1 ......... INCLUDES ITEMS W/



...................................................................................... S/N 3287257 AND ABOVE

◊◊

11300ZE3604 COVER ASSY., CRANKCASE (Q TYPE) 1

◊

◊◊





11381ZE3800 GASKET, CASE COVER ................................. 1 ......... S/N 2949254 AND BELOW






11381ZE3801 GASKET, CASE COVER ................................. 1 ......... S/N 2949255 AND ABOVE



◊◊

◊

11381ZE3801 GASKET, CASE COVER 1

◊◊

# 16510ZE3000 GOVERNOR ASSEMBLY ................................ 1 ......... INCLUDES ITEMS W/+

*

#+ 16511ZE8000 WEIGHT, GOVERNOR 3

*

#+ 16512ZE3000 HOLDER, GOVERNOR WEIGHT 1

*

#+ 16513ZE2000 PIN, GOVERNOR WEIGHT 3

*





# 16531ZE2000 SLIDER, GOVERNOR...................................... 1 ......... S/N 3287256 AND BELOW



*





# 16531Z0A000 SLIDER, GOVERNOR...................................... 1 ......... S/N 3287257 AND ABOVE



*

◊◊

◊

# 16531Z0A000 SLIDER, GOVERNOR 1

◊◊

*

# 90602ZE1000 CLIP, GOVERNOR HOLDER 1

*

91201ZE3004 OIL SEAL 36X52X8 1

*

# 9410106800 WASHER, PLAIN 6MM 1

*

961006202000 BEARING, RADIAL BALL 6202 1

*

961006207000 BEARING, RADIAL BALL 6207 1

*

*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 63

HONDA GX390K1QA2/GX390U1QA2 — CRANKSHAFT ASSY.

PAGE 64 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — CRANKSHAFT ASSY.

NO. PART NO. PART NAME QTY. REMARKS





2
2
2
6 13351ZE3010 WEIGHT, BALANCER 1
9 90745ZE2600 KEY 6.3X6.3X43 1
10
10
10

13310ZF6W10 CRANKSHAFT, Q-TYPE .................................. 1 ......... INCLUDES ITEMS W/



◊◊

◊

13310ZF6W11 CRANKSHAFT COMP. .................................... 1 ......... S/N 1113739 AND BELOW

◊◊
◊◊

13310ZF6W12 CRANKSHAFT COMP. .................................... 1 ......... S/N 1113740 AND ABOVE

◊

◊◊



*91001ZF6003 BEARING, RADIAL BALL 6207S 1



◊◊

◊*91001ZF6003 BEARING, RADIAL BALL 6207S ..................... 1 ......... S/N 1113739 AND BELOW

◊◊
◊◊

◊*91001ZF6013 BEARING, RADIAL BALL 6207SH .................. 1 ......... S/N 1113740 AND ABOVE

◊◊

*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 65

HONDA GX390K1QA2/GX390U1QA2 — CYLINDER BARREL ASSY.

PAGE 66 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — CYLINDER BARREL ASSY.

NO. PART NO. PART NAME QTY. REMARKS





1

1

1
2
2
2

2

2
3 16541ZE3010 SHAFT, GOVERNOR ARM 1
4

5
6 90131883000 BOLT, DRAIN PLUG 12 X 15 2
7 90446KE1000 WASHER 8.2X17X0.8 1
9
10
11 91353671004 O- RING 13.5X1.5 (ARAI) 1
12 9405010000 NUT, FLANGE 10mm. 1
13 9410912000 WASHER, DRAIN PLUG 12mm. 2
14 9425110000 PIN,LOCK 10mm. 1
15 957010601200 BOLT, FLANGE 6X12 2
16
17
17
18
18
18

12000ZF6W12 BARREL ASSY., CYL. ALERT OIL .......... 1....... INCLUDES ITEMS W/



........................................................................... SN 3020570 AND BELOW





12000ZF6W13 BARREL ASSY., CYL. ALERT OIL .......... 1....... INCLUDES ITEMS W/



........................................................................... SN 3020571 AND ABOVE

◊◊

12000ZF6417 BARREL ASSY., CYL. ALERT OIL .......... 1 ....... INCLUDES ITEMS W/

◊

◊◊





15510ZE2023 SWITCH ASSY., OIL LEVEL ................... 1 ....... S/N 2334667 AND BELOW






15510ZE2033 SWITCH ASSY., OIL LEVEL ................... 1 ....... 2334668 ~ 2456575






15510ZE2043 SWITCH ASSY., OIL LEVEL ................... 1....... REPLACES 15510ZE2033



........................................................................... S/N 2456576 AND ABOVE

◊◊

◊

15510ZE2043 SWITCH ASSY., OIL LEVEL ................... 1....... REPLACES 15510ZE2033

◊◊

........................................................................... S/N 1412956 AND BELOW

◊◊

15510ZE2053 SWITCH ASSY., OIL LEVEL ................... 1....... S/N 1412957 AND ABOVE

◊

◊◊





32197ZE2003 SUB-HARNESS ....................................... 1.......USE UP TO ENGINE SN 2334667







90013883000 BOLT, FLANGE 6X12 (CT200) ................. 1.......USE UP TO ENGINE SN 2334667



91201ZE3004 OIL SEAL 35X52X8 1

*

91203952771 OIL SEAL 8X14X5 1

*

961006202000 BEARING, RADIAL BALL 6202 1

*





90013883000 BOLT, FLANGE 6X12 (CT200) ................. 1.......USE FROM ENGINE SN 2468555



◊◊

◊

90013883000 BOLT, FLANGE 6X12 (CT200) 1

◊◊





34150ZH7003 ALERT UNIT, OIL ..................................... 1.......USE FROM ENGINE SN 2468555



◊◊

◊

34150ZH7003 ALERT UNIT, OIL ..................................... 1....... S/N 1419413 AND BELOW

◊◊
◊◊

◊

34150ZH7013 ALERT UNIT, OIL ..................................... 1....... S/N 1419414 AND ABOVE

◊◊

*
*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 67

HONDA GX390K1QA2/GX390U1QA2 — CYLINDER HEAD ASSY.

PAGE 68 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — CYLINDER HEAD ASSY.

NO. PART NO. PART NAME QTY. REMARKS





1
1
2
3
4
5 12251ZF6W00 GASKET, CYLINDER HEAD 1
6
6
6
7
7

7
8 12391ZE2020 GASKET, CYLINDER HEAD COVER 1
11 90014ZE2000 BOLT, HEAD COVER 1
12 90042ZE8000 BOLT, STUD 8X131.5 2
13
13

13
14 90441ZE2010 WASHER, HEAD COVER 1
15 9430112200 PIN A, DOWEL 12X20 2
16
16
16
17 9807955846 SPARK PLUG BPR5ES (NGK), OPT. 1
17 9807955855 SPARK PLUG W16EPR-U (DENSO), OPT. 1
17 9807956846 SPARK PLUG BPR6ES (NGK) 1
17 9807956855 SPARK PLUG W20EPR-U (DENSO) 1

12200ZF6W01 CYLINDER HEAD ............................................ 1 ......... INCLUDES ITEMS W/



◊◊

◊

12200ZF6406 CYLINDER HEAD ............................................ 1 ......... INCLUDES ITEMS W/

◊◊

12204ZE2306 GUIDE, VALVE OS (OPTIONAL) 1

*

12205ZE2305 GUIDE, EX. VALVE OS (OPTIONAL) 1

*

12216ZE2300 CLIP, VALVE GUIDE 1

*



12310ZE3791 COVER, HEAD ................................................ 1 ......... SN 2378736 AND BELOW








12310ZE2020 COVER, HEAD ................................................ 1 ......... SN 2378737 AND ABOVE



◊◊

◊

12310ZE2020 COVER, HEAD ................................................ 1

◊◊
◊◊

◊

950051110530 TUBE, 11X105 ................................................. 1 ......... REPL. 950051100130M

◊◊





950051110530 TUBE, 11X105 ................................................. 1 ......... SN 2368041 AND BELOW



...................................................................................... REPL. 950051100130M



12315ZE3840 TUBE, BREATHER .......................................... 1 ......... SN 2368042 AND ABOVE









90047ZE2000 BOLT 2, STUD 8X47 2 S/N 2638033 AND BELOW






92900080320E BOLT 2, STUD 8X32 ........................................ 2 ......... REPLACES 90047ZE2000



...................................................................................... S/N 2638034 AND ABOVE

◊◊

◊

92900080320E BOLT 2, STUD 8X32 2

◊◊





957251008000 BOLT, FLANGE 10X80 4



◊◊

◊

957251008000 BOLT, FLANGE 10X80 ..................................... 4 ......... S/N 1411816 AND BELOW

◊◊
◊◊

◊

957011008000 BOLT, FLANGE 10X80 ..................................... 4 ......... S/N 1411817 AND ABOVE

◊◊

*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 69

HONDA GX390K1QA2/GX390U1QA2 — FAN COVER ASSY.

PAGE 70 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — FAN COVER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 16731ZE2003 CLIP, TUBE 1
2 19610ZE3010ZA COVER, FAN *R280*, RED 1
3 19631ZE3W00 SHROUD 1





4
5
5
5
5
7 90013883000 BOLT, FLANGE 6X12 (CT200) 6
9

32197ZH8003 SUB-HARNESS ........................................... 1 ......... SN 2334667 AND BELOW






36100ZE1015 SWITCH ASSY., ENGINE STOP ................. 1 ......... SN 2334667 AND BELOW




36100ZH7003 SWITCH ASSY., ENGINE STOP ................. 1 ......... SN 2334668 AND ABOVE





◊◊

◊

36100ZF6P81 SWITCH ASSY., ENGINE STOP ................. 1 ......... SN 1412956 AND BELOW

◊◊
◊◊

◊

36100ZF6P82 SWITCH ASSY., ENGINE STOP ................. 1 ......... SN 1412957 AND ABOVE

◊◊





90684ZA0601 CLIP, WIRE HARNESS 1







GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 71

HONDA GX390K1QA2/GX390U1QA2 — FLYWHEEL ASSY.

PAGE 72 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — FLYWHEEL ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 19511ZE3000 FAN, COOLING 1
2 28450ZE3W11 PULLEY, STARTER (SCREEN GRID) 1
4 31100ZE3701 FLYWHEEL 1





6
6
6
6
7 90741ZE2000 KEY, SPECIAL WOODRUFF 25X18 1

90201ZE3790 NUT, SPECIAL 16MM .................................. 1 ......... S/N 2263434 AND BELOW






90201ZE3V00 NUT, SPECIAL 16MM (1)............................. 1 ......... S/N 2263435 AND ABOVE



◊◊

90201ZE3V00 NUT, SPECIAL 16MM (1)............................. 1 ......... S/N 1317976 AND BELOW

◊

◊◊
◊◊

◊

90201ZE3790 NUT, SPECIAL 16MM .................................. 1 ......... S/N 1317977 AND ABOVE

◊◊





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 73

HONDA GX390K1QA2/GX390U1QA2 — IGNITION COIL ASSY.

PAGE 74 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — IGNITION COIL ASSY.

NO. PART NO. PART NAME QTY. REMARKS





1
1
1
2 30700ZE1013 CAP ASSEMBLY, NOISE SUPPRESSOR 1
5 31512ZE2000 GROMMET, WIRE 1
8 36101ZE2701 WIRE, STOP SWITCH 430MM 1
12 90015883000 BOLT, FLANGE 6X28 2
13

30500ZF6W02 COIL ASSEMBLY, IGNITION ....................... 1 ......... REPLACES 305007E2023



◊◊

◊

30500ZF6W02 COIL ASSEMBLY, IGNITION ....................... 1 ......... S/N 1411816 AND BELOW

◊◊
◊◊

30500ZF6W03 COIL ASSEMBLY, IGNITION ....................... 1 ......... S/N 1411817 AND ABOVE

◊

◊◊

◊◊

◊

90684ZA0601 CLIP, HARNESS 1

◊◊





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 75

HONDA GX390K1QA2/GX390U1QA2 — CARBURETOR ASSY.

PAGE 76 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — CARBURETOR ASSY.

CARBURETOR ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1#% 16010ZE2812 GASKET SET .............................................. 1 ......... INCLUDES ITEM W/&

2
3
4

4

4

16011ZA0931 VALVE SET, FLOAT 1

*

16013ZA0931 FLOAT SET 1

*





16015ZE2005 CHAMBER SET, FLOAT .............................. 1 ......... INCLUDES ITEMS W/%



*



16015ZE8005 CHAMBER SET, FLOAT .............................. 1 ......... INCLUDES ITEMS W/%





*

◊◊

◊

16015ZE8005 CHAMBER SET, FLOAT 1

◊◊

*

.................................................................................. S/N BE85B A AND BELOW

.................................................................................. S/N BE85B B AND ABOVE

5
6
7
8
9

9

9
10
11
12
13*& 16173001004 GASKET, FUEL STRAINER CUP 1
14 16211ZF6000 INSULATOR, CARBURETOR 1
15 16220ZA0702 SPACER, CARBURETOR 1
16 16221ZF6800 GASKET, CARBURETOR 1
17 16223ZE3W00 GASKET, INSULATOR 1

18 16610ZE1000 LEVER, CHOKE (STANDARD) .................... 1 .......... INCLUDES ITEMS W/+

16016ZH7W01 SCREW SET 1

*

% 16024ZE1811 SCREW SET, DRAIN ................................... 1 ......... INCLUDES ITEMS W/#

*

16028ZE0005 SCREW SET B ............................................ 1 ......... INCLUDES ITEMS W/#

*

16044ZE3W20 CHOKE SET 1

*





16100ZF6V00 CARBURETOR ASSY., BE85BA ................. 1 ......... INCLUDES ITEMS W/



.................................................................................. S/N 2255423 AND BELOW





16100ZF6V01 CARBURETOR ASSY., BE85B B ................ 1 ......... INCLUDES ITEMS W/



.................................................................................. S/N 2255424 AND ABOVE

◊◊

◊

16100ZF6V01 CARBURETOR ASSY., BE85B B ................ 1 ......... INCLUDES ITEMS W/

◊◊

16124ZE0005 SCREW, THROTTLE STOP 1

*

16166ZF6V00 NOZZLE, MAIN 1

*

16172ZE3W10 COLLAR, SET 1

*

*
*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 77

HONDA GX390K1QA2/GX390U1QA2 — MUFFLER ASSY.

PAGE 78 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — MUFFLER ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 18310ZE2W61 MUFFLER 100DB 1
2 18320ZE2W61 PROTECTOR, MUFFLER 1
3 18323ZE3W40 PROTECTOR, EXHAUST PIPE 1
4 18330ZE2W00 PIPE, EXHAUST 1





5
5
5
6
6
6
6
7 18355ZE2W00 ARRESTER, SPARK 1
8 18381ZE2W10 GASKET, MUFFLER (ARRESTER) 1
10 90013883000 BOLT, FLANGE 6X12 (CT200) 1
11 90050ZE1000 SCREW, TAPPING 5X8 4
12 90055ZE1000 SCREW, TAPPING 4X6 3
13 90055ZE1000 SCREW, TAPPING 4X6 1
14 90006ZE2000 SCREW, TAPPING 6X10 1
15 9405008000 NUT, FLANGE 8MM 5

18331ZE3810 CAP, MUFFLER 1



◊◊

◊

18331ZE3810 CAP, MUFFLER ........................................... 1 ......... S/N 1166160 AND BELOW

◊◊
◊◊

18331ZE3811 CAP, MUFFLER ........................................... 1 ......... S/N 1166161 AND ABOVE

◊

◊◊





18333ZE3800 GASKET, EXHAUST PIPE .......................... 1 ......... S/N 2275744 AND BELOW






18333ZK6Y00 GASKET, EXHAUST PIPE .......................... 1 ......... 2275745 ~ 2638033






18333ZF6W01 GASKET, EXHAUST PIPE .......................... 1 ......... S/N 2638034 AND ABOVE



◊◊

◊

18333ZE6W01 GASKET, EXHAUST PIPE 1

◊◊





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 79

HONDA GX390K1QA2/GX390U1QA2 — RECOIL STARTER ASSY.

PAGE 80 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — RECOIL STARTER ASSY.

NO. PART NO. PART NAME QTY. REMARKS





1
1
2
2
3
4
5
6
7
8
9
10
11
12
13
14 90008ZE2003 BOLT, FLANGE 6X10 3

28400ZE3W01ZA STARTER ASSY., RECOIL *R8*, RED.............. 1 ....... INCLUDES ITEMS W/



◊◊

◊

28400ZE3W01ZP STARTER ASSY., RECOIL *R280*, RED. .........1 ....... INCLUDES ITEMS W/

◊◊



28410ZE3W01ZA CASE, RECOIL STARTER *R8*, RED 1





*

◊◊

◊

28410ZE3W01ZP CASE, RECOIL STARTER *R280*, RED 1

◊◊

*

28421ZE3W01 PULLEY, RECOIL STARTER 1

*

28422ZE2W01 RATCHET, STARTER 2

*

28441ZE2W01 SPRING, FRICTION 1

*

28442ZE2W01 SPRING, STARTER RETURN 1

*

28443ZE2W01 SPRING, RATCHET 2

*

28444ZE2W01 RETAINER, SPRING 1

*

28445ZE2W01 HOLDER, SPRING 1

*

28461ZE2W02 GRIP, STARTER 1

*

28462ZE3W01 ROPE, RECOIL STARTER 1

*

◊◊

◊*28469ZE2W01 GRIP, REINFORCEMENT .................................1 ....... UP TO ENG. S/N 584635

◊◊

90004ZE2W01 SCREW, CENTER 1

*

*
*





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 81

HONDA GX390K1QA2/GX390U1QA2— CONTROL ASSY.

PAGE 82 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2— CONTROL ASSY.

NO. PART NO. PART NAME QTY. REMARKS

2 16551ZE3000 ARM, GOVERNOR 1
3 16555ZE3000 ROD, GOVERNOR 1
4 16561ZE3000 SPRING, GOVERNOR 1
5 16562ZE3000 SPRING, THROTTLE RETURN 1

6 16570ZE3W20 CONTROL ASSEMBLY, REMOTE ............... 1 ......... INCLUDES ITEMS W/

10
11
12
13
14
15
17
18
21 90013883000 BOLT, FLANGE (6X12) (CT200) 2
22 90015ZE5010 BOLT, GOVERNOR ARM 1
24
27
28
29 9405006000 NUT, FLANGE (6MM) 1

16571ZE3W00 LEVER, CONTROL 1

*

16574ZE1000 SPRING, LEVER 1

*

1675ZE2W00 WASHER, CONTROL LEVER 1

*

16576891000 HOLDER, CABLE 1

*

16578ZE1000 SPACER, CONTROL LEVER 1

*

16581ZE3W00 BASE, CONTROL (###) 1

*

16584883300 SPRING, CONTROL ADJUSTING 1

*

16592883310 SPRING, CABLE RETURN 1

*

90114SA0000 NUT, SELF-LOCK (6MM) 1

*

93500050320A SCREW, PAN (5X32) 1

*

93500050160A SCREW, PAN (5X16) 1

*

*

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 83

HONDA GX390K1QA2/GX390U1QA2 — FUEL TANK ASSY.

PAGE 84 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — FUEL TANK ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1 16854ZH8000 RUBBER, SUPPORTER (107MM) 1
3 16955ZE1000 JOINT, FUEL TANK 1





6
6
6
6
6
6
6
6
6
6
6
6
7
7
7

8
8
8
8
9
9
14 91353671004 O-RING 14MM (NOK) 1
16 9405008000 NUT, FLANGE 8MM 2
18
18

18
19
19
19
21 957010802500 BOLT, FLANGE 8 X 25 2
28
28
29

17510ZE3010ZA TANK, FUEL *NH31* 1






17510ZE3010ZB TANK, FUEL *NH1* 1




17510ZE3010ZA TANK, FUEL *T34* 1





◊◊

◊

17510ZE3020ZA TANK, FUEL *NH31* .................................... 1 ......... S/N 1213085 AND BELOW

◊◊
◊◊

◊

17510ZE3020ZB TANK, FUEL *NH1* ...................................... 1 ......... S/N 1213085 AND BELOW

◊◊
◊◊

◊

17510ZE3020ZD TANK, FUEL *T34*....................................... 1 ......... S/N 1213085 AND BELOW

◊◊
◊◊

◊

17510ZE3800ZA TANK, FUEL *NH1* ...................................... 1 ......... 1213086 ~ 1383799

◊◊
◊◊

17510ZE3800ZC TANK, FUEL *NH31* .................................... 1 ......... 1213086 ~ 1383799

◊

◊◊
◊◊

◊

17510ZE3800ZE TANK, FUEL *T34* ....................................... 1 ......... 1213086 ~ 1383799

◊◊
◊◊

◊

17510ZE3801ZA TANK, FUEL *NH1* ...................................... 1 ......... S/N 1383800 AND ABOVE

◊◊
◊◊

◊

17510ZE3801ZC TANK, FUEL *NH31* .................................... 1 ......... S/N 1383800 AND ABOVE

◊◊
◊◊

◊

17510ZE3801ZE TANK, FUEL *T34* ....................................... 1 ......... S/N 1383800 AND ABOVE

◊◊





17620ZH013 CAP COMP., FUEL FILLER ......................... 1 ......... S/N 1383800 AND ABOVE






17620ZH023 CAP COMP., FUEL FILLER (BLACK) .......... 1 ......... S/N 1383800 AND ABOVE



◊◊

◊

17620Z0T305 CAP COMP., FUEL FILLER ......................... 1 ......... S/N 1530148 AND BELOW

◊◊

.................................................................................. ( CHROME PLATED)





17631ZH7003 FUEL, FILLER CAP (39X58X3) 1



◊◊

◊

17631Z0T812 FUEL, FILLER CAP (39X62X3) ................... 1 ......... S/N 1530148 AND BELOW

◊◊
◊◊

◊

17631Z4H800 FUEL, FILLER CAP (39X62X3) ................... 1 ......... S/N 1530149 ~ 1552033

◊◊
◊◊

◊

17631Z0T801 FUEL, FILLER CAP (39X62X3) ................... 1 ......... S/N 1552034 AND ABOVE

◊◊





17672ZE2W01 FILTER, FUEL 1



◊◊

◊

17672ZE2W01 FILTER, FUEL ............................................. 1 ......... S/N 1530148 AND BELOW

◊◊





950014523540 TUBE, FUEL 4.5 X 235................................ 1 ......... REPL. 950014500160M



◊◊

◊

950014523540 TUBE, FUEL 4.5 X 235................................ 1 ......... S/N 1105013 AND BELOW

◊◊

.................................................................................. REPL. 950014500160M

◊◊

◊

91424Z5L801 TUBE, FUEL 4.5 X 235 (FKM)..................... 1 ......... S/N 1105014 AND ABOVE

◊◊





9500202080 CLIP, TUBE (B8) 2



◊◊

◊

9500202080 CLIP, TUBE (B8) .......................................... 2 ......... S/N 1105013 AND BELOW

◊◊
◊◊

◊

950024080008 CLAMP, TUBE (D8) ...................................... 2 ......... S/N 1105014 AND ABOVE

◊◊

◊◊

◊

17620Z4H010 CAP COMP., FUEL FILLER ......................... 1 ......... 1530149 ~ 1552033

◊◊
◊◊

◊

17620Z4H020 CAP COMP., FUEL FILLER ......................... 1 ......... 1552034 AND ABOVE

◊◊
◊◊

◊

17672Z4H000 FILTER, FUEL ........................................... 1 ......... 1530149 AND ABOVE

◊◊





GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 85

HONDA GX390K1QA2 — GASKET KIT ASSY.

PAGE 86 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2 — GASKET KIT ASSY.

NO. PART NO. PART NAME QTY. REMARKS

1
3
4
5
6
7
8

9 061A1Z6700 GASKET KIT ............................................... 1 ......... INCLUDES ITEMS W/

11381ZE3800 GASKET, CASE COVER 1

*

12251ZF6W00 GASKET, CYLINDER HEAD 1

*

12391ZE2020 GASKET, CYLINDER HEAD COVER 1

*

16221ZF6800 GASKET, CARBURETOR 1

*

16223ZE3W00 GASKET, INSULATOR 1

*

18333ZF6W01 GASKET, EXHAUST PIPE 1

*

18381ZE2W10 GASKET, MUFFLER (ARRESTER) 1

*

.................................................................................. REPLACES 06111ZF6407

.................................................................................. S/N 2949254

*

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 87

HONDA GX390K1QA2/GX390U1QA2 — LABELS ASSY.

GX-390K1QA2

GX-390U1QA2

PAGE 88 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

HONDA GX390K1QA2/GX390U1QA2 — LABELS ASSY.

NO. PART NO. PART NAME QTY. REMARKS

◊◊

◊

1
3
4
4
4
4
6
8
9
10
22

87516ZH7000 MARK, OPERATOR 1

◊◊
◊◊

◊

87532ZH7000 MARK,, THROTTLE INDICATION 1

◊◊



87521ZF6W01 EMBLEM .................................................. 1............. S/N 3249629 AND BELOW








87521ZF6W02 EMBLEM .................................................. 1............. S/N 3249630 AND ABOVE



◊◊

◊

87521ZF6W03 EMBLEM .................................................. 1............. S/N 1398206 AND BELOW

◊◊
◊◊

◊

87521ZF6W04 EMBLEM .................................................. 1............. S/N 1398207 AND ABOVE

◊◊





87522ZH9010 LABEL, CAUTION 1




87528ZE2810 MARK, CHOKE (ORANGE) 1








87530ZF6W10 LABEL, SPECIFICATION ......................... 1 ............. TO ENGINE S/N 2172909







87532ZH8810 MARK, OIL ALERT (E) 1






87586ZH7W00 LABEL, FUEL CAUTION ........................... 1............. TO ENGINE S/N 2166102







GX390K1QA2: Model MS120 December 2006 And Below



◊◊

◊

GX340U1QA2: Model MS120 January 2007 And Above

◊◊

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 89

TERMS AND CONDITIONS OF SALE — PARTS

PAYMENT TERMS

Terms of payment for parts are net 30 days.

FREIGHT POLICY

All parts orders will be shipped collect or
prepaid with the charges added to the invoice.
All shipments are F.O.B. point of origin.
Multiquip’s responsibility ceases when a signed
manifest has been obtained from the carrier,
and any claim for shortage or damage must be
settled between the consignee and the carrier.

MINIMUM ORDER

The minimum charge for orders from Multiquip
is $15.00 net. Customers will be asked for
instructions regarding handling of orders not
meeting this requirement.

RETURNED GOODS POLICY

Return shipments will be accepted and credit
will be allowed, subject to the following provi­sions:

1. A Returned Material Authorization must
be approved by Multiquip prior to ship­ment.

2. To obtain a Return Material Authorization,
a list must be provided to Multiquip Parts
Sales that defines item numbers, quanti­ties, and descriptions of the items to be
returned.

a. The parts numbers and descriptions

must match the current parts price
list.

b. The list must be typed or computer

generated.

c. The list must state the reason(s) for

the return.

d. The list must reference the sales

order(s) or invoice(s) under which the
items were originally purchased.

e. The list must include the name and

phone number of the person request­ing the RMA.

3. A copy of the Return Material Authoriza­tion must accompany the return shipment.

4. Freight is at the sender’s expense. All
parts must be returned freight prepaid to
Multiquip’s designated receiving point.

5. Parts must be in new and resalable con-

6. The following items are not returnable:

7. The sender will be notified of any material

8. Such material will be held for five working

9. Credit on returned parts will be issued at

10. In cases where an item is accepted, for

11. Credit issued will be applied to future

PRICING AND REBATES

Prices are subject to change without prior
notice. Price changes are effective on a spe­cific date and all orders received on or after that
date will be billed at the revised price. Rebates
for price declines and added charges for price
increases will not be made for stock on hand
at the time of any price change.

Multiquip reserves the right to quote and sell
dition, in the original Multiquip package (if
any), and with Multiquip part numbers
clearly marked.

a. Obsolete parts. (If an item is in the

price book and shows as being re­placed by another item, it is obsolete.)

b. Any parts with a limited shelf life

(such as gaskets, seals, “O” rings,
and other rubber parts) that were pur­chased more than six months prior to
the return date.

c. Any line item with an extended dealer

net price of less than $5.00.

d. Special order items.
e. Electrical components.

f. Paint, chemicals, and lubricants.

g. Decals and paper products.

h. Items purchased in kits.

received that is not acceptable.

days from notification, pending instruc­tions. If a reply is not received within five
days, the material will be returned to the
sender at his expense.

dealer net price at time of the original
purchase, less a 15% restocking charge.

which the original purchase document
can not be determined, the price will be
based on the list price that was effective
twelve months prior to the RMA date.

purchases only.

direct to Government agencies, and to Original

Equipment Manufacturer accounts who use

our products as integral parts of their own

products.

SPECIAL EXPEDITING SERVICE

A $35.00 surcharge will be added to the invoice

for special handling including bus shipments,

insured parcel post or in cases where Multiquip

must personally deliver the parts to the carrier.

LIMITATIONS OF SELLER’S LIABILITY

Multiquip shall not be liable hereunder for

damages in excess of the purchase price of the

item with respect to which damages are

claimed, and in no event shall Multiquip be

liable for loss of profit or good will or for any

other special, consequential or incidental dam-

ages.

LIMITATION OF WARRANTIES

No warranties, express or implied, are made

in connection with the sale of parts or trade

accessories nor as to any engine not manufac-

tured by Multiquip. Such warranties made in

connection with the sale of new, complete units

are made exclusively by a statement of war-

ranty packaged with such units, and Multiquip

neither assumes nor authorizes any person to

assume for it any other obligation or liability

whatever in connection with the sale of its

products. Apart from such written statement of

warranty, there are no warranties, express,

implied or statutory, which extend beyond the

description of the products on the face hereof.

Effective: February 22, 2006

PAGE 90 — MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08)

NOTES

MS120 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #0 (07/10/08) — PAGE 91

OPERATION AND PARTS MANUAL

HERE’S HOW TO GET HELP

PLEASE HAVE THE MODEL AND SERIAL

NUMBER

ON-HAND

WHEN CALLING

PARTS DEPARTMENT

800-427-1244 FAX: [phone]
310-537-3700 FAX: [phone]

SERVICE DEPARTMENT

800-478-1244 FAX: [phone]
310-537-3700

TECHNICAL ASSISTANCE

800-478-1244 FAX: [phone]

WARRANTY DEPARTMENT

800-421-1244, EXT. 279 FAX: [phone]
310-537-3700, EXT. 279

SALES DEPARTMENT

310-661-4242 FAX: [phone]
877-289-7869 (877-BUY-STOW)

© COPYRIGHT 2008, MULTIQUIP INC.

Multiquip Inc, and the STOW logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other
trademarks are the property of their respective owners and used with permission.

This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.

The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations, descriptions, references and technical
data contained in this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the right to discontinue or change specifications,
design or the information published in this publication at any time without notice and without incurring any obligations.

Your Local Dealer is:

Atlanta • Boise • Newark • Quebec, Canada

Manchester, UK • Rio de Janeiro, BR • Puebla, MX

MQ STOW CONSTRUCTION EQUIPMENT

A DIVISION OF MULTIQUIP INC.

POST OFFICE BOX 6254
CARSON, CA 90749
310-537-3700 • 888-252-MQ STOW [888­252-7869]
FAX: [phone] • FAX: [phone]
E-MAIL: MQ [e-mail] • WWW:
stowmfg.com