Multiquip WM120SH, WM120PH User Manual
OPERATION AND PARTS MANUAL
SERIES
WM120PH Series
POLYETHYLENE DRUM
WM120SH Series
STEEL DRUM
HYDRAULIC PLASTER/MORTAR MIXERS
(HONDA GASOLINE ENGINE/ELECTRIC MOTOR)
Revision #7 (09/15/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.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 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
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.
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 3
TABLE OF CONTENTS
WM120PH/SH HYDRAULIC
MIXER
Proposition 65 Warning ........................................... 2
Silicosis/Respiratory Warnings ................................ 3
Table of Contents .................................................... 4
Parts Ordering Procedures ..................................... 5
Safety ...................................................................... 6
Safety ...................................................................... 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
Electric Motor Components .................................. 19
Paddle Blade Adjustment (Steel Drum) ................ 20
Paddle Blade Adjustment (Poly Drum) .................. 21
Inspection ......................................................... 22-23
Initial Start-Up (Gasoline) ..................................... 24
Initial start-up (Electric) ......................................... 25
Operation ......................................................... 25-26
Shut-Down ............................................................ 27
Maintenance (Engine)...................................... 28-29
Maintenance (Mixer) ........................................ 30-33
Storage ................................................................. 33
Troubleshooting (Engine) ................................. 34-35
Troubleshooting (Mixer/Electric motor) ................. 36
Wiring Diagram (Electric Motor)............................ 37
Hydraulic System Diagram ................................... 38
Explanation of Code in Remarks Column ............. 40
Suggested Spare Parts ......................................... 41
Component DrawingsComponent Drawings
Component Drawings
Component DrawingsComponent Drawings
Hydraulic Assembly .......................................... 54-55
Frame 1 Assembly ........................................... 56-57
Frame 2 Assembly ........................................... 58-59
Frame 3 Assembly ........................................... 60-61
Plastic Engine Cover Assembly ....................... 62-63
Steel Engine Cover Assembly .......................... 64-65
Single Phase, 5 HP Electric Motor Assembly .. 66-67
Three Phase, 5 HP Electric Motor Assembly ... 68-69
HONDA GX390K1QA2/
GX390U1QA2 Engine
Honda Engine Assembly .................................. 70-71
Air Cleaner Assembly....................................... 72-73
Camshaft Assembly ......................................... 74-75
Piston Assembly ............................................... 76-77
Crankcase Cover Assembly ............................. 78-79
Crankshaft Assembly ....................................... 80-81
Cylinder Barrel Assembly ................................. 82-83
Cylinder Head Assembly .................................. 84-85
Fan Cover Assembly ........................................ 86-87
Flywheel Assembly .......................................... 88-89
Ignition Coil Assembly ...................................... 90-91
Carburetor Assembly ....................................... 92-93
Muffler Assembly ............................................. 94-95
Recoil Starter Assembly................................... 96-97
Control Assembly ............................................. 98-99
Fuel Tank Assembly ..................................... 100-101
Gasket Kit Assembly .................................... 102-103
Labels Assembly .......................................... 104-105
Terms and Conditions of Sale — Parts ............... 106
In accordance with our established policy of
constant improvement, we reserve the right to
amend these specifications at any time without
notice.
Nameplate and Decals..................................... 42-43
Paddle Blades Assembly .................................. 44-45
Plastic Mixing Drum Assembly ......................... 46-47
Steel Drum Assembly (Manual) ....................... 48-49
Steel Drum Assembly (Hydraulic) .................... 50-51
Paddle Shaft Assembly (Plastic/Steel) ............. 52-53
PAGE 4 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
Specifications and part numbers are
subject to change without notice.
PARTS ORDERING PROCEDURES
r
Ordering parts has never been easier!
Choose from three easy options:
January 1
Effective:
st
, 2006
Best Deal!
Order via Internet
Order parts on-line using Multiquip’s SmartEquip website!
N View Parts Diagrams
N Order Parts
N Print Specification Information
Goto www.multiquip.com and click on
Order Parts
Order via Fax
All customers are welcome to order parts via Fax.
Domestic (US) Customers dial:
1-800-6-PARTS-7 (800-672-7877)
Non-Dealer Customers:
Contact your local Multiquip Dealer for
parts or call 800-427-1244 for help in
locating a dealer near you.
(Dealers Only)
to log in and save!
(Dealers Only)
:
Order via Phone:
If you have an MQ Account, to obtain a Username
and Password, E-mail us at: parts@multiquip.
com.
To obtain an MQ Account, contact you
District Sales Manager for more information.
Use the internet and qualify for a 5% Discount
on Standard orders for all orders which include
complete part numbers.*
Note: Discounts Are Subject To Change
:
Domestic (US) Dealers Call:
1-800-427-1244
Fax your order in and qualify for a 2% Discount
on Standard orders for all orders which include
complete part numbers.*
Note: Discounts Are Subject To Change
International Customers should contact
their local Multiquip Representatives for
Parts Ordering information.
When ordering parts, please supply:
R Dealer Account Number
R Dealer Name and Address
R Shipping Address (if different than billing address)
R Return Fax Number
R Applicable Model Number
R Quantity, Part Number and Description of Each Part
NOTICE
All orders are treated as Standard Orders and will
ship the same day if received prior to 3PM PST.
R Specify Preferred Method of Shipment:
UPS/Fed Ex DHL
N Priority One Tr uck
N Ground
N Next Day
N Second/Third Day
www.multiquip.com
WE ACCEPT ALL MAJOR CREDIT CARDS!
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 5
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.
PAGE 6 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
KILLED
or
INJURED
SERIOUSLY INJURED
SERIOUSLY INJURED
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 or electric motor every time the engine or electric
motor 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.
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — 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 operate the equipment in an
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 Multiquip 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 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
"emergency or safety
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 or electric
motor.
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.
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.
technical questions or information recommended by
Multiquip for this equipment. Damage to the equipment
and/or injury to user may result.
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.
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 or electric
motor.
Depending on type of mixer, test the
either the gasoline engine or electric motor before
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
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 9
HONDA Engine Owner's Manual
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 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
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
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — 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 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
SPECIFICATIONS
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WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 13
DIMENSIONS
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PAGE 14 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
Figure 2. Dimensions
GENERAL INFORMATION
Application
The MQ WM120 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.
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
This mixer is only intended for the mixing of plaster and
mortar. The mixer must be used for its intended purpose
required. Remember to keep all mixer hardware components
tight.
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
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.
These hydraulic mixers can be powered by either a 11 HP
Honda GX390 air-cooled, 4-stroke gasoline engine or a 5.0
HP electric motor. Refer to Table 2 for specific engine or
electric motor data information.
Electrical
If mixer is equipped with an
that the power being supplied to the motor corresponds to
the voltage rating label on the motor. Supplying the wrong
voltage to the electric motor will cause severe electrical
damage to the motor.
Always make sure the
OFF/ON
is in the OFF position before applying power.
electric motor
, make sure
switch on the electric motor
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Extension Cables
The extension cable should be a 3-wire configuration that
includes a ground wire that conforms to UL code. The wire
cross section must be a minimum of 2.5 mm
extension cord of adequate current carrying capacity as
referenced in Table 5. Remember
cable distance
the current-voltage capacity of the extension cable.
Ensure that the extension cable is carefully laid out avoiding
wet areas, sharp edges
and locations where vehicles might
run over it. Avoid allowing the extension cable to be trapped
underneath the mixer.
Unroll the extension cable fully or it will overheat and could
catch fire. Make sure that all extension cable connections
are dry and safe. Replace any defective or badly worn
extension cable immediately.
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 15
2
. Choose an
affects
MIXER COMPONENTS
7
6
9
8
9. Manual Dump Handle — Pull this handle downward
to dump the contents of the drum. Push the handle
5
10
3
11
13
12
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
2
4
locked. The safety grill should only be un-locked when
cleaning of the blades and drum is required.
14
16
1
15
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 WM120 series hydraulic mixer
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 or electric motor.
3. ON/OFF Switch (gasoline) — This switch is provided
on
mixers with gasoline
engines only and is located
on the side of the engine cover. When activated it will
shut down the engine.
4. Latch — Use this latch to secure the engine/electric
motor 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.
lock the drum for mixing. Rotate vertically to release
the drum for dumping. This feature is not available on
hydraulic dump models.
13. Mixing Drum — Mixing drums are available in two
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.
14. Tow Bar/Coupler — This mixer uses a 2-inch coupler
or pintle towbar.
15. Safety Chain — This mixer uses a 3/16-inch thick,
72-inches long zinc-plated saftey chain.
connect the safety chain when towing.
16. Chock Blocks — Place these blocks (not included as
part of the mixer package) under each mixer wheel to
prevent rolling.
ALWAYS
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.
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 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
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.
Figure 5 shows configuration for electric motor.
Gasoline engine is configured in the same
manner.
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 17
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.
PAGE 18 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
FAST
).
SLOW
, lever back toward
ELECTRIC MOTOR COMPONENTS
ELECTRIC MOTOR
For lubrication care and operation of the electric motor,
refer to your electric motor instruction booklet furnished
with the motor.
Protect the electric motor from dust as much as possible
Electric Motor Connection
The electrical motors used on these mixers are equipped
with either a 3-prong (1Ø) or a 4-prong (3Ø) plug (Figure 7)
for connection to a power source. Reference Table 5. to
determine the required NEMA mating receptacle.
and keep ventilating openings clean.
CAUTION
DO NOT spray water at any time on the electric motor.
DO NOT operate electric motor in an explosive
environment.
The electric motors (Figure 7) used on these mixers is
available in two types of configurations, 5 HP 1Ø @230
VAC or 5 HP 3Ø @230/460 VAC. Pay special attention to
the nameplate on the electric motor when supplying power
to the electric motor. Applying incorrect power to the motor
can severly damage the motor and may cause serious
bodily injury!
Always make certain that the correct voltage is being
supplied to the motor. The input voltage requirements can
be found on the electric motor's nameplate.
NEMA
L6 30P PLUG
230 VAC
1Ø PHASE
NEMA
L16 20P PLUG
230/460 VAC
3Ø PHASE
It is strongly recommended that all electrical
wiring be done by a
licensed electrician
special attention to the nameplate on the electric
motor. Make certain that the voltage supplied to
the electric motor matches the required
operating voltage printed on the nameplate.
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Figure 7. Electric Motor
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 19
PADDLE BLADE ADJUSTMENT (STEEL DRUM)
Adjust paddles as shown in Figure 8.
Figure 8. Paddle Blade Adjustment (Steel Drum)
PAGE 20 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
PADDLE BLADE ADJUSTMENT (POLY DRUM)
Adjust paddles as shown in Figure 9.
Figure 9. Paddle Blade Adjustment (Poly Drum)
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 21
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 10) 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 11. 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 10. 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.
CAUTION — Start/Stop Switch
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 11), 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,
replenish with
unleaded
fuel.
3. When refueling, be sure to use a strainer for filtration.
DO NOT top-off fuel. Wipe up any spilled fuel.
PAGE 22 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
HYDRAULIC OIL
Check hydraulic oil sight gauge (Figure 12) to ensure that
hydraulic oil is at the midway level.
Figure 12. 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 13) 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 14. 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 15.
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 13. 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 14). This grease fitting lubricates the hydraulic
dumping mechanism.
Figure 15. Dump Handle
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 23
INITIAL START-UP (GASOLINE)
STARTING THE ENGINE
4. Place the engine ON/OFF switch (Figure 19) 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. If your mixer has an
electric motor disregard this section.
1. Place the fuel valve lever (Figure 16) in the ON position.
5. Located on the engine cover is the
switch (Figure 20). Pull this switch outward to start the
engine.
Figure 16. Fuel Shut-OFF Lever
2. To start a cold engine, move the choke lever (Figure
17) to the CLOSED position.
position position.
Figure 19. Engine ON/OFF Switch
engine start/stop
START STOP
SWITCH
PULL OUT
TO START
PUSH
TO STOP
Figure 20. Main ON/OFF Switch
6. Pull the
starter grip
(Figure 21) lightly until you feel
resistance, then pull briskly. Return the starter grip
gently. Push the clutch lever forward, toward the tow
Figure 17. Choke Lever
tongue end of the mixer. When engine starts, adjust
throttle lever so that paddle shaft inside mixer rotates
3. Move the throttle lever (Figure 18) away from the slow
position, about 1/3 of the way toward the fast position.
Figure 18. Throttle lever Lever
between 30-40 RPMs. The number of RPMs will vary
depending on engine type and load.
Figure 21. Starter Grip
PAGE 24 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
INITIAL START-UP (ELECTRIC)/OPERATION
STARTING THE ELECTRIC MOTOR
1. Using an adequate size extension cord (Table 7),
connect one end of the extension cord to the plug on
the electric motor, connect the other end to the power
source. Make sure the motor is configured for the
proper operating voltage.
2. To start the electric motor, press the
black
ON/START
switch (Figure 22).
ON
OFF
STOP
START
PRESS TO
START
5. Manual dump machines only: When mixing plaster or
Figure 22. Electric Motor On/OFF Switch (Start)
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MIXING
1. On the hydraulic valve, push lever inward (Figure 23)
for clockwise mixing rotation of blades.
2. The paddle shaft inside the drum should be rotating at
this time.
WARNING — Dump Handle Safety
Figure 23. Hydraulic Paddle Lever
mortar, the
drum lock lever
(Figure 24) should be in
the horizontal (down) position. (Does not apply to
hydraulic dump mixers.)
Figure 24. 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.
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.
ALWAYS
handle
stand clear of the
dump
when the mixer is operational.
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.
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 25
OPERATION
DUMPING (MANUAL)
1. Release drum lock lever by pushing lever into vertical
position (Figure 25).
Figure 25. Drum Lock Lever
2. Pull dump handle downward to discharge (empty) the
drum. Move dump handle upward to return it to vertical
position. (Figure 26).
DUMPING (HYDRAULIC)
1. If operating a mixer with hydraulic dump capability, pull
hydraulic dump lever (Figure 27) outward to place drum
in dump position (Figure 28).
Figure 26. 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 27. Hydraulic Dump Lever
Figure 28. Hydraulic Dump
in vertical position.
PAGE 26 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
SHUT-DOWN
STOPPING THE MIXER (GASOLINE ENGINE)
1. Push the
the engine.
2. Place the fuel valve (Figure 30) lever to the OFF
position.
start/stop
switch (Figure 29) inward to stop
Figure 29. Start/Stop Switch (Stop)
STOPPING THE MIXER (ELECTRIC MOTOR)
1. To stop the electric motor, press the
switch (Figure 31).
ON
OFF
START
STOP
PRESS TO
STOP
Figure 31. Electric Motor On/OFF Switch (Stop)
2. Disconnect the electric motor's extension cord from
its power source.
3. Clean mixer as referenced in the maintance section of
this manual.
red
OFF/STOP
Figure 30. 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.
Serious Injury
may
result if it is disabled, disconnected or improperly
maintained.
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 27
MAINTENANCE (ENGINE)
Use Table 8 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 28 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
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 34) 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 32), 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 32. Spark Plug Gap
ENGINE OIL
1. Drain the engine oil when the oil is
Figure 33.
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 33. Engine Oil (Draining)
Figure 34. Engine Air Cleaner
WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 29
MAINTENANCE (MIXER)
DRUM HEAD SEALS
There is 1 set of drum head seals (Figure 35) 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 37) 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 35. 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 36) 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.
GREASE FITTING
every month or when the drum
using multi-purpose grade
AND CAP
WHEEL BEARINGS
1. After every 3 months of operation, remove the hub
dust cap and inspect the wheel bearings (Figure 38).
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
DRUM BEARING
BRACKET
GREASE FITTING
AND CAP
good grade of high speed wheel bearing grease (
use grease heavier than 265 A.S.T.M. penetration (“No.
2.”)
Figure 36. Grease Fittings (Dumping Mechanism)
Figure 37. 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.
Figure 38. Wheel Hub and Bearings
PAGE 30 — WM120PH/SH HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)
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