Multiquip WM120SM, WM120PM User Manual

OPERATION AND PARTS MANUAL

SERIES

WM120PM Series

POLY-MECHANICAL

WM120SM Series

STEEL-MECHANICAL

PLASTER/MORTAR MIXERS

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,
drillingand otherconstruction activities
contains chemicals known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Some examples of these chemicals are:

Leadfromlead-based paints.
Crystallinesilica from bricks.
Cementand othermasonry products.
Arsenicandchromiumfrom chemically
treatedlumber.

Your risk from these exposures varies,
dependingon howoften youdo thistype
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 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

SILICOSIS/RESPIRATORY WARNINGS

WARNING

SILICOSIS WARNING RESPIRATORY HAZARDS

Grinding/cutting/drilling of masonry, concrete, metal and
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, metal and
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 being used.

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 3

TABLE OF CONTENTS

Here's How To Get Help ........................................... 3

Table Of Contents .................................................... 4

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

Operation and Safety Decals ................................... 6

Rules For Safe Operation ..................................... 7-8

Specifications ........................................................... 9

General Information ............................................... 10

Whiteman — Plaster/ Mortar
Mixer

Controls .................................................................. 11

Electric Motor ......................................................... 12

Towing .................................................................... 13

Paddle Blade Adjustment .................................. 14-15

Initial Start-Up ................................................... 16-17

Maintenance ..................................................... 18-19

Troubleshooting (Engine) ....................................... 20

Troubleshooting (Engine/Mixer) ............................. 21

Explanation Of Codes In Remarks Column ........... 22

Suggested Spare Parts .......................................... 23

Engine Side Paddle Assembly .......................... 24-25

Tow Side Paddle Assembly ...............................26-27

Paddle Shaft Assembly ..................................... 28-29

Polyethylene Drum Assembly ........................... 30-31

Steel Drum Assembly........................................32-33

Cab Assembly ...................................................34-35

Frame, Wheel, Tire and Hub Assembly ............ 36-37

Name Plate and Decals .................................... 38-39

Engines

Wisconsin Engine Assembly ............................. 40-41

Honda Engine Assembly ...................................42-43

Motor

Electric Motor Assembly.................................... 44-45

Transmissions

Transmission Assembly.....................................46-47

Terms and Conditions Of Sale — Parts ................. 48

NOTE

Specification and part number
are subject to change without
notice.

PAGE 4 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

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 Par ts

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.

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

www.multiquip.com

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 5

When ordering parts, please supply:

R Specify Preferred Method of Shipment:
UPS/Fed Ex DHL

N Priority One Tr uck 
N Ground
N Next Day
N Second/Third Day

NOTICE

All orders are treated as Standard Orders and will

ship the same day if received prior to 3PM PST.

WE ACCEPT ALL MAJOR CREDIT CARDS!

OPERATION AND SAFETY DECALS

The safety instruction decals shown must be on all Whiteman Mixers

CAUTION!CAUTION!

CAUTION!

CAUTION!CAUTION!

SHUT OFF ENGINE BEFORESHUT OFF ENGINE BEFORE

SHUT OFF ENGINE BEFORE

SHUT OFF ENGINE BEFORESHUT OFF ENGINE BEFORE

PUTTING HANDS IN MIXING DRUMPUTTING HANDS IN MIXING DRUM

PUTTING HANDS IN MIXING DRUM

PUTTING HANDS IN MIXING DRUMPUTTING HANDS IN MIXING DRUM

P/N EM948423

SAFETY INSTRUCTIONS

1. Read owners manuals before operating.

2. Keep unauthorized and untrained people away from machine during operation.

3. Make sure all safety devices are in place before this machine is started.

4. Make sure engine is turned off and spark plug wire is disconnected before cleaning the
machine.

5. Keep hands and fingers away from moving objects.

6. Do not operate machine in an enclosed area. Proper ventilation is required.

7. Never leave machine unattended when operating.

8. Always stop engine and allow engine to cool before adding fuel or oil.

WHITEMAN CONCRETE PRODUCTS — A MULTIQUIP COMPANY — CARSON, CALIFORNIA

P/N 924801

PAGE 6 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

RULES FOR SAFE OPERATION

■

CAUTION:

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

The following safety guidelines should always be used when
operating the WM-120PM or WM-120SM mixers:

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, steel­toed boots and other protective devices required
by the job.

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

■

High Temperatures – Allow the engine to cool before adding
fuel or performing service and maintenance functions. Contact

hot

with

■

The engine section of this mixer requires an adequate free
flow of cooling air. Never operate the mixer in any enclosed or

components can cause serious burns.

narrow area where free flow of the
air is restricted. If the air flow is
restricted it will cause serious
damage to the mixer or engine and
may cause injury to people.
Remember the mixer's engine
gives off DEADLY carbon
monoxide gas.

■

NEVER operate this equipment when not
feeling well due to fatigue, illness or taking
medicine.

■

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

■

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

■

Manufacture does not assume responsibility for any accident
due to equipment modifications.

■

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

■

Always check the machine for loosened threads or bolts before
starting.

■

■

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
machine. Fire or explosion could result
from fuel vapors, or if fuel is spilled on a
hot engine.

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

bodily harm or even death.

smoke around or near the

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 7

RULES FOR SAFE OPERATION

■

CAUTION:

Failure to follow instructions in this manual may
lead to serious injury or even death! This

equipment is to be operated by trained and
qualified personnel only! This equipment is for
industrial use only.

The following safety guidelines should always be used when
operating the WM120S/WM120P Mixer:

GENERAL SAFETY

■

Stop the engine when leaving the mixer unattended.

■

Block the unit when leaving or when using on a slope.

■

Maintain this equipment in a safe operating condition at all
times.

■

Always stop the engine before servicing, adding fuel and oil.

■

NEVER Run engine without air filter. Severe engine may

occur.

■

Always service air cleaner frequently to prevent carburetor
malfunction.

■

Always be sure the operator is familiar with proper safety
precautions and operations techniques before using mixer.

■

Always store equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of the
reach of children.

■

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

■

NEVER Run engine without air cleaner. Severe engine

damage may occur.

■

Always read, understand, and follow procedures in Operator’s
Manual before attempting to operate equipment.

■

Always be sure the operator is familiar with proper safety
precautions and operations techniques before using pump.

■

Always store equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of the
reach of children.

CAUTION:

■

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

Caution must be exercised while servicing this equipment.
Rotating and moving parts can cause injury if contacted.

■

When towing, an adequate safety chain must be fastened to
the frame, refer to page 14.

■

Keep all inexperienced and unauthorized people away 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.

■

Always stand clear of dump handle when mixer is in operation.
Any binding of material between the mixer blades and drum
will cause drum and handle to quickly move in the discharge
position.

■

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

Emergencies

■

Always know the location of the nearest
and

first aid kit

Also know the phone numbers of the nearest

doctor

invaluable in the case of an emergency.

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 machinery in proper running condition.

■

Fix damage to the machine 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. Emergencies

■

Always know the location of the nearest
and

first aid kit

Also know the phone numbers of the nearest

doctor

invaluable in the case of an emergency.

. Know the location of the nearest telephone.

and

fire department

. Know the location of the nearest telephone.

and

fire department

ON/OFF

switch for either

fire extinguisher

ambulance

. This information will be

,

fire extinguisher

ambulance

. This information will be

,

PAGE 8 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

WM120P/S — SPECIFICATIONS

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RETEMARAPNOITACIFICEPS

)sretil(tf.uc-yticapaC)043(21)043(21

sgab-yticapacgaB4ot5.34ot5.3

).gk(sbl-thgieW)494(090,1)494(

).mc(.ni-HxWxraBwoT/whtgneL )251x031x802(06x15x28)251x031x802(06x15x28

).mc(ni-eldnaHpmuD/WthgieH)19

).mc(ni-thgieHegrahcsiD)191(57)191(57

evirDlacinahceMlacinahceM

noitcApmuDlaunaMlaunaM

secruoSrewoP

MP021MWMS021MW

1(57)191(57

irtcelE064/032esahP-elgniSPH5

c
cirtcelE064/032esahP-eerhTPH5

adnoHPH11

3-DLNEA.csiWPH2.9

iSPH5

090,1

064/032esahP-elgn

cirtcelE

cirtcelE064/032esahP-eerhTPH5

adnoHPH11

3-DLNEA.csiWPH2.9

NOTE

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

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 9

WM120P/S — GENERAL INFORMATION

GENERAL

The Whiteman WM-120PM and WM120SM Series plaster and
mortar mixers are shipped completely assembled and have
been factory tested.

The drum batch capacity of these mixers is between 3.5 and

4.0 bags. With proper care, they will give continuous service
year-after-year.

These mixers can be powered by either gasoline or electric
motors. The power from the engine is transmitted via the clutch/
reduction assembly directly to the paddle shaft. Therefore
providing high mixer torque and eliminating V-belts .

BEFORE STARTING

Before starting the engine, read the engine owners manual
and thoroughly understand the safety information.

Check the items listed below:

OIL LEVELS

Be sure to check the oil levels in the engine and engine reduction
unit before starting the unit.

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 the torque chart
below as a general guideline and keep all hardware tight:

GASOLINE ENGINE CARE

For care and operation of the gasoline engine, refer to the
engine manufacturer’s operating instructions furnished with the
engine. We recommend draining and refilling the engine
crankcase at least every thirty hours of operation. Check the
engine oil level daily.

GASOLINE MIXER OFF/ON SWITCH

This feature is on gasoline engine mixers only. Located on the
side of the engine cover. The purpose of this switch is to start
and stop the mixer in normal operation.

ELECTRIC MOTOR MIXER OFF/ON SWITCH

This feature is on electric motor mixers only. This switch is located
on top of the motor. Lift the engine cover to gain access to this
switch. The purpose of this switch is to start and stop the mixer
in normal operation. Never use the electric motor in an explosive
environment.

ENGINE THROTTLE AND CHOKE CONTROLS

Please refer to the engine owners manual for specific
instructions.

HARDWARE DIA TORQUE (LB./FT.)

5/16"- 18 24

3/8" - 24 37

1/2" - 13 39

1/2" - 13 (Grade 8) 90

PAGE 10 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

WM-120P/S — CONTROLS

Figure 1. Mixer

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.

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

Mixing Paddles — Used in the mixing of material. This unit
uses four different types of paddles to provide a fast uniform mix.

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.

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

Mixing Drum — Made of either
materials such as concrete, mortar, plaster are to be placed into
this drum for mixing. Always clean the drum after each use.

Tow Bar — When towing is required, connect tow bar to a
vehicle Reference page 14.

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

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

with gasoline

engine cover. When activated it will shut down the engine.

ON/OFF Switch (electric) — This switch is provided on mixers
with electric motors. To gain access to this switch, lift the engine
cover. When activated it will shut down the electric motor.

Clutch Lever — Push the clutch lever forward, toward the tow
tongue end of the mixer to engage clutch. Once clutch is
engaged paddle shaft will rotate. To disengage clutch pull the
clutch backwards towards the engine.

polyethylene

engines only and is located on the side of the

or

steel

. Mixing

mixers

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 11

WM-120P/S — ELECTRIC MOTOR

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 and
keep ventilating openings clean.

It is strongly recommended that all electrical wiring be
done by a
should be given to the electric switch as well as the
over-and-under voltage protection devices as per
regulations set forth in the local electrical safety code

CAUTION:

■

electric motor

■

DO NOT spray water at any time on the

.

DO NOT operate electric motor in a

handbook.

explosive environment.

The electric motor for this mixer is available in either a 5 HP
single-phase or 5 HP 3-phase configuration. The input voltage
requirement for these motors is either 230 VAC or 440 VAC only.

ELECTRIC MOTOR CONNECTION

A 12 inch electrical cable (Figure 2) with a pigtail at one end is
provided with the electrical motor for hookup to a power source.
Table 1. shows the required NEMA connector for the desired
motor horsepower rating. In addition, Table 2 also shows the
matching NEMA approved connector for the required extension
cord.

NOTE

licensed electrician

rotoM

rewopesroH

gnitaR

PH3935049N/PP02-6

PH5745049N/PP03-6L845049N/PR03-6L

L045049N/PR02-6L

. Special attention

rotcennoCgulPAMENAMENgnitaM

noitamrofnIgniriWrotoMcirtcelE.2elbaT

esahPelgniS-tloV032

rotcennoCelcatpeceR

Figure 2. Single Phase Electric Motor with 12 inch Pigtail Cable

PAGE 12 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

WM-120P/S — TOWING

NOTE

Before towing, check with local and state laws for proper
compliance.

The tow bar and chain must be properly attached to the mixer
and towing vehicle prior to towing. Refer to the following
installation instruction:

Step 1.

Insert the Draw Bar into the main frame. Secure, utilizing the 3/4"
bolt (grade 5) and nylock nut. Tighten to 100 foot pounds.

STEP 1

DRAW BAR

BOLT & NUT

REMOVE EXCESS
CHAIN (SLACK)

It is critical that the length of the chain be properly
adjusted, to prevent the
stand from dropping to 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.

STEP 3

VEHICLE
CONNECTOR LINK

DRAW BAR

BOTTOM CONNECTOR LINK

NOTE

Draw Bar

and the front mixer

CAUTION:

Step 2.

Install the chain through the hole located between the frame
gusset and frame angle. Loop the chain together and place under
the Draw Bar. Secure with connector link.

INSERT CHAIN THROUGH
THE HOLE

FRAME ANGLE

FRAME GUSSET

CONNECTOR LINK

Step 3.

STEP 2

DRAW BAR

BALL HITCH COUPLER

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

2. Use only the 2" ball diameter as indicated on your 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. Be sure the coupler is secured to the hitch ball and the lock
lever is down tight and locked.

Recheck tightness again after towing about 50 miles.

4. Check that trailer safety chains are properly connected.

■

Check the following before towing:

Extend the chain along the length of the Draw Bar, remove excess
chain (slack) and secure to bottom connector link. Secure the
chain to the towing vehicle, using the connector link.

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 13

WM-120P/S — PADDLE BLADE ADJUSTMENT

Paddle blade adjustment is dependent on drum type,
using a polyethylene drum. Figure 4 illustrates the paddle blade adjustment when using a steel drum. When using a polyethylene
drum the paddle blade should come as close as possible to the drum end and side walls without making contact. If material builds
up on the drum, use a rubber mallet to dislodge the material without adverse effect to the drum.

EPOXY COMPATIBILITY - There are some epoxies and other chemicals
used in certain applications that are

Since Whiteman Industries cannot control the end user's application of this
product, we
exposed to incompatible chemicals.

will not

polyethylene

assume responsibility for the resulting damages when

or

steel

. Figure 3 illustrates the paddle blade adjustment when

NOTE

not

compatible with polyethylene drums.

B

Figure 3. Paddle Blade Adjustment, Polyethylene Drum

PAGE 14 — WM120PM/SM— OPERATION AND PARTS MANUAL — REV. #7 (09/15/11)

WM-120P/S — PADDLE BLADE ADJUSTMENT

Figure 4. Paddle Blade Adjustment, Steel Drum

WM120PM/SM — OPERATION AND PARTS MANUAL — REV. #7 (09/15/11) — PAGE 15