MQ Multiquip WC-62S Guide

OPERATION AND PARTS MANUAL
Revision #7 (06/30/05)
WC-62S
WC-62P
WHITEMAN SERIES
CONCRETE MIXERS
FINAL REVISION
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PAGE 4 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER — TABLE OF CONTENTS
Componet Drawings
Nameplate and Decals.......................................34-35
Mixer Assembly (Steel Drum) ............................36-37
Mixer Assembly (Plastic Drum)..........................38-39
Main Frame Assembly .......................................40-41
Axle Assembly....................................................42-43
Cabinet Assembly ..............................................44-45
Gas Engine Mounting Plate Asasembly............46-47
Electric Motor Mounting Plate Asasembly ........48-49
Specification and part number
are subject to change without
notice.
NOTE
MQ WHITEMAN WC-62P/S
Concrete Mixers
Here's How To Get Help............................................ 3
Table Of Contents ..................................................... 4
Parts Ordering Procedures ....................................... 5
Specifications ............................................................ 6
Dimensions (Mixer)................................................... 7
Safety Message Alert Symbols................................. 8
Rules For Safe Operation ....................................9-10
Operation and Safety Decals .................................. 11
General Information................................................ 12
Mixer Basic Components ........................................ 13
Basic Engine Components...................................... 14
Handwheel Assembly.............................................. 15
Towing Guidelines ................................................... 16
Safety Chain Connection ........................................ 17
Electric Motor .....................................................18-19
Pre-Inspection (Gasoline Engine)........................... 20
Initial Start-up (Gasoline Engine)............................ 21
Initial Start-up (Electric Motor) ................................ 22
Operation ................................................................ 23
Maintenance (Engine)........................................24-25
Maintenance (Mixer)..........................................26-28
Troubleshooting (Engine)........................................ 30
Troubleshooting (Engine/Mixer).............................. 31
Explanation Of Code In Remarks Column.............. 32
Suggested Spare Parts........................................... 33
HONDA GX240K1HA2 ENGINE
Air Cleaner Assembly.........................................50-51
Camshaft Assembly ...........................................52-53
Carburetor Assembly .........................................54-55
Control Assembly ...............................................56-57
Crankcase Cover Assembly...............................58-59
Crankshaft Assembly .........................................60-61
Cylinder Barrel Assembly...................................62-63
Cylinder Head Assembly....................................64-65
Fan Cover Assembly..........................................66-67
Flywheel Assembly ............................................68-69
Muffler Assembly ...............................................70-71
Fuel Tank Assembly ...........................................72-73
Ignition Coil ........................................................74-75
Piston Assembly.................................................76-77
Recoil Starter .....................................................78-79
Gear Reduction Assembly .................................80-81
Label Assembly..................................................82-83
HONDA GX160K1H X2 ENGINE
Air Cleaner Assy.................................................84-85
Camshaft Assy. ..................................................86-87
Carburetor Assy. ................................................88-89
Control Assy. ......................................................90-91
Crankcase Cover Assy.......................................92-93
Crankshaft Assy. ................................................94-95
Cylinder Barrel Assy. ..........................................96-97
Cylinder Head Assy. ...........................................98-99
Fan Cover Assy. .............................................100-101
Flywheel Assy.................................................102-103
Fuel Tank Asssembly .....................................104-105
Ignition Coil Asssembly ..................................106-107
Muffler Asssembly..........................................108-109
Piston Rings Asssembly.................................110-111
Recoil Starter Asssembly...............................112-113
1/6 Gear Reduction Asssembly .....................114-115
Labels Asssembly ..........................................116-117
Terms and Conditions of Sale............................... 118
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PAGE 6 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER — SPECIFICATIONS
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 7
WC-62P/S CONCRETE MIXER — DIMENSIONS (MIXER)
SeeTable 2 for mixer dimensions
Figure 1. Mixer Dimensions
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PAGE 8 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
Accidental Starting
ALWAYS place the circuit breaker or power
ON/OFF switch in the OFF position when the
pump is not in use.
Respiratory Hazard
ALWAYS wear approved respiratory
protection.
Equipment Damage Messages
Other important messages are provided throughout this manual
to help prevent damage to your mixer, other property, or the
surrounding environment.
ALWAYS wear approved eye and hearing
protection.
Sight and Hearing hazard
WC-62P/S CONCRETE MIXER — SAFETY MESSAGE ALERT SYMBOLS
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.
FORYOUR SAFETY ANDTHE SAFETY OF OTHERS!
This Owner's Manual has been
developed to provide complete
instructionsforthesafeandefficient
operation of the MQ Whiteman
ModelWC-62P (Plastic) andWC-
62S (Steel) Concrete Mixers.
Before using these mixers,
ensure that the operating
individual has read and
understands all instructions in
this manual.
SAFETY MESSAGE ALERT SYMBOLS
The three (3) 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
theoperator, andareprecededbyone of three words: DANGER,
WARNING, or CAUTION.
DANGER: You WILL be KILLED or
SERIOUSLY injured if you do not follow
directions.
WARNING: You CAN be KILLED or
SERIOUSLY injured if you do not follow
directions.
CAUTION: You CAN be injured if you
do not follow directions.
HAZARD SYMBOLS
Potential hazards associated with the MQ Whiteman WC-62P/
WC-62S concrete mixers operation will be referenced with
Hazard Symbols which appear throughout this manual, and will
bereferencedin conjunction with Safety Message Alert Symbols.
Rotating Parts
NEVER operate equipment with covers, or
guards removed. Keep fingers, hands, hair and
clothing away from all moving parts to prevent
injury.
NOTE
This mixer, other property, or the
surrounding environment could
be damaged if you do not follow
instructions.
NOTE
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 9
WC-62P/S CONCRETE MIXER — RULES FOR SAFE OPERATION
■ ALWAYS refuel in a well-ventilated area, away from sparks
andopen flames.
■ ALWAYS useextremecautionwhenworkingwithflammable
liquids.When refueling,stop the engineand allowit tocool.
DONOT smokearoundornearthemachine.Fireorexplosion
could result from fuel vapors, or if fuel is spilled on a hot
engine.
■ NEVERoperatethemixerinanexplosive
atmosphere or near combustible
materials.Anexplosionorfirecouldresult
causing severe
bodily harm or even
death.
■ Topping-off to filler port is dangerous, asit tendsto spill fuel.
■ Refer to the Engine Owner's Manual for engine technical
questions or information.
■ NEVER use accessories or attachments, which are not
recommendedbyMQWhitemanforthisequipment.Damage
tothe equipment and/orinjury touser may result.
■ Manufacturerdoesnotassume responsibility foranyaccident
dueto equipment modifications.
■ NEVERtouchthehotexhaustmanifold,
mufflerorcylinder.Allowthesepartsto
coolbeforeservicingengineormixer.
■ The engine of this mixer requires an adequate free flow of
cooling air.
NEVER! operate the mixer in any enclosed or
narrow area where free
flowoftheairisrestricted.If
the air flow is restricted it
willcauseseriousdamage
to the mixer or engine and
maycauseinjurytopeople
and property. Remember
the mixer's engine
(gasoline models only)
givesoff DEADLY gases.
■ HighTemperatures – Allowtheenginetocool beforeadding
fuelorperformingserviceandmaintenancefunctions.Contact
with
hot components can causeserious burns.
DANGER:Failuretofollowinstructionsinthismanualmay
lead to serious injury or even death! This
equipment is to be operated by trained and
qualifiedpersonnelonly!Thisequipmentisfor
industrial useonly.
The following safety guidelines should always be used when
operatingtheMQWhitemanWC-62P/WC-62S ConcreteMixers:
GENERAL SAFETY
■ DO NOT operate or service this equipment before
readingthisentiremanual.
■ This equipment should not be operated by
personsunder 18years ofage.
■ NEVER operate this equipment without proper
protectiveclothing, shatterproof glasses, steel-
toedbootsandotherprotectivedevicesrequired
bythe job.
■ NEVERoperatethisequipmentwhennotfeeling
wellduetofatigue, illnessor takingmedicine.
■ NEVER operate this equipment under the
influenceor drugs or alcohol.
■ Whenever necessary, replace nameplate, operation and
safetydecalswhen they becomedifficultread.
■ ALWAYS check the machine for loosened threads or bolts
beforestarting.
■ ALWAYS wear proper respiratory (mask) hearing and eye
protectionequipment when operatingthe mixer.
■ NEVER! place hands inside the drum while the drum is
rotating.
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PAGE 10 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
■ In emergencies always know the location of the
nearest phone or
keep a phone on the job site .
Also know the phone numbers of the nearest
ambulance , doctor and fire department . This
information will be invaluable in the case of an
emergency.
■ NEVER disconnect any "emergency or safety devices" .
These devices are intended for operator safety.Disconnection
of these devices can cause severe injury, bodily harm or even
death! Disconnection of any of these devices will void all
warranties.
■ If mixer is equipped with an electric motor, operate electric
motoronlyatthespecifiedvoltageindicatedonthenameplate.
■ Makesurethe OFF/ON powerswitchontheelectricmotoris
always inthe OFF positionbeforeinsertingthemixer'spower
pluginto anAC receptacle(electric modelonly).
Maintenance Safety
■ NEVERlubricatecomponentsorattemptserviceonarunning
machine.
■ ALWAYS allowthemachine a properamountof time tocool
beforeservicing.
■ Keepthe machineryin proper running condition.
■ Fixdamagetothemachineimmediately and always replace
brokenparts, or missingdecals.
■ Disposeofhazardouswasteproperly.Examplesofpotentially
hazardouswaste are used motor oil, fuel and fuel filters.
■ DO NOT use food or plastic containers to dispose of
hazardouswaste.
■ DO NOT pour waste, oil or fuel directly onto the ground,
downa drain or into anywater source.
Emergencies
■ ALWAYS know the locationof thenearest fire extinguisher
andfirst aid kit.
WC-62P/S CONCRETE MIXER — RULES FOR SAFE OPERATION
■ NEVER run engine without aircleaner.Severeenginedamage
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 roller.
■ 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 leave the mixer unattended, turn off engine or electric
motor when unattended.
■ CAUTION mustalways be observedwhile servicing this mixer.
Rotating parts can cause injury if contacted.
■ Unauthorized equipment modifications will void all
warranties.
■ Ensurethatanyextensioncableisprotectedagainstdamage
and not liable to be tripped over or trapped underneath the
mixer.
■ DONOT allowextensioncordtocomeintocontactwithwater
orfluids.
■ DO NOT spraywateronto electricmotor.
■ Thismixer is intended for theproduction ofconcrete. Mixer
mustbe used only for its intended purpose.
■ This mixer is not suitable for the mixing of flammable or
explosive substances.
■ NEVER operatethe mixer inan explosive atmosphere.
■ Beforestartingthemixer,checkthatall guards areinposition
andcorrectlyfitted.
■ Keep area around the mixer clear of obstructions which
could cause persons to fall onto
moving parts .
■ ALWAYS ensure mixer is on level ground before mixing.
■ Become familiar with the controls of the mixer before
operating.
■ ALWAYS replace anyworn or damaged warning decals.
■ Ensure the drum is rotating while filling and emptying the
drum.
■ ALWAYS disconnect AC power plug from power source
beforemoving mixer (electricmodel only).
■ High Temperatures – Always stop engine and allow the
engine to cool before adding fuel, oil or performing service
and maintenance functions. Contact with
hot components
cancause serious burns.
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 11
WC-62P/S CONCRETE MIXER — OPERATION AND SAFETY DECALS
Machine Safety Decals
The MQ Whiteman WC-62P and WC-62S mixers are equipped with a number of safety decals (Figure 1A). These decals are
providedforoperator safetyandmaintenanceinformation.Theillustrationbelowandonthe nextpageshows thesedecalsas they
appearon themachine.Should anyofthese decalsbecome unreadable,replacements canbe obtainedfrom yourdealer.
Figure 1A. WC-62P/S Mixer Decals
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PAGE 12 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER — GENERAL INFORMATION
Application
This mixer is only intended for the production of concrete .
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. Use Table 4 (Mixing Hints) as a guide when
mixing concrete for various applications.
Power Plants
The MQ Whiteman WC-62P and WC-62S mixers can be
powered by a variety of power plants or an electric motor.
Refer to Table 2 to for specific engine or electric motor data
information. All engines are air-cooled, 4-stroke gasoline
engines.
Electrical
If mixer is equipped with an electric motor , make sure that
the power being supplied to the motor corresponds to the
voltageratinglabelon themotor.Supplying thewrongvoltage
to the electric motor will cause severe electrical damage to
the motor.
Always make sure the OFF/ON switch on the electric motor
is in the OFF position before applying power.
It is strongly recommended when inserting the mixer's
power cord into a receptacle, that a G.F.C.I.( Ground Fault
Current Interrupter ) receptacle be used (115 VAC
applications).
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 mm2. Choose an
extension cord of adequate current carrying as Referenced
in Table 6. Remember distance affects the wire size of the
extension cable.
Ensure that the extension cable is carefully laid out avoid-
ing
wet areas , sharp edges and locations where vehicles
might run over it. Avoid allowing the extension cable to be
trappedunderneath 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 ex-
tension cable immediately.
Hardware
Check all hardware on the mixer before starting. Periodically
inspect all hardware. Loose hardware can contribute to early
componentfailureandpoorperformance. UseTable3asgeneral
guideline when the torqueing of mixer hardware is required.
Rememberto keep allmixer hardwarecomponents tight.
Engine Maintenance
Forbasicenginemaintenance,referto the enginemaintenance
sectioninthismanual.Foramoredetailedenginemaintenance,
refertothe
Honda or Robin EngineOwner's manual furnished
withtheengine.
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 13
WC-62P/S CONCRETE MIXER — MIXER BASIC COMPONENTS
1. Steel Mixing Drum — The MQWhiteman WC-62S uses
a 6 cu. ft
steel mixing drum.This drum is to be used for
mixing of concrete.Alwayscleanthedrumaftereachuse.
DO NOT use this mixing drum for the mixing of volatile
liquids.
2. PlasticMixing Drum — TheMQWhiteman WC-62Puses
a 6 cu.ft
plastic mixing drum.This drum is to be used for
mixing of concrete.Alwayscleanthedrumaftereachuse.
DO NOT use this mixing drum for the mixing of
volatile
liquids
.
3. Mixing Blades (Plastic) —Used for the mixing concrete.
Replacebladeswhentheyshowsigns ofwear.Reference
plasticmixing drum in the parts section ofthis manual.
4. Dump Latch —To rotatethe mixing drum,thislatch must
beintheupposition.Tolockthedrum,place the latch inthe
downposition.
5. Dump Gear Guard —NEVER operatethemixerwith this
guard removed. Its purpose is to prevent dirt and debris
fromentering the dumpgear.In addition operatorclothing
couldbecomeentangledinthedumpgear,causingsevere
injury and bodily harm.
6. Handwheel — Turn this wheel clockwise or counter-
clockwisetorotate the mixingdrum.Remember the dump
latch must be in the
up position in order for the mixing
drumtobe rotated.
7. Zerk Fittings —There is, at the bottom and engine side
of the yoke, and center of the
handwheel grease zerk
fittings. Lubricate these fittings as referenced in the
maintenancesection of thismanual.
8. Safety Chain — This mixer uses a 3/16-inch thick, 72-
incheslongzinc-platedsafteychain.
ALWAYS connectthe
safetychain when towing.
9. Tow Bar — This mixer uses various towing bars, please
referencetheframeassemblydrawingand parts list inthis
manual to determine which tow bar meets your
requirements.
10. Leaf Suspension — This mixer uses a leaf type
suspension. Check the mounting hardware for bolt hole
elongationandtightness.See maintenance sectionofthis
manualforrecommended maintenance.
11. Chock Blocks — Place these blocks (not included as
part of the mixer package) under each mixer wheel to
prevent rolling, when mixer is not connect to the towing
vehicle.
12. Tires Ply—The tire ply(layers)numberis rated in letters;
This mixer uses 13-inch 2-ply tires. Replace with only
recommendedtypetires.
13. ON/OFFSwitch(gasoline only) —Thisswitchisprovided
on
mixers with gasoline engines only and is located on
the side of the mixer frame. When activated it will shut
downthe engine.Pull outwhen startingthe engine.
14. Cabinet/Latch — Encloses engine and electric motor.
NEVER run mixer with cabinet removed. Use latches to
secureenginecompartment cabinet.
15. MixingBlades(Steel)—Used forthemixingofconcrete.
Whenblades show signs of wear,entiresteelmixingdrum
assembly must be replaced. See steel mixing drum
assemblyin the partssection ofthis manual.
Figure 2. Mixer Major Components
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PAGE 14 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER — BASIC ENGINE COMPONENTS
Figure 3. Engine Controls and Components
INITIALSERVICING
Theengine (Figure3) must be checked for proper lubrication and
filledwithfuelpriortooperation. RefertothemanufacturersEngine
manualfor instructions&detailsofoperationandservicing.
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.
Addingfueltothetankshouldbeaccomplishedonly
when the engine is stopped and has had an
opportunitytocooldown. Intheeventofafuelspill,
DONOT attempttostarttheengineuntilthefuelresiduehasbeen
completelywipedup,andtheareasurroundingtheengineisdry.
2. Throttle Lever – Used to adjustengineRPMspeed (lever
advanced forward
SLOW , lever back toward operator
FAST ).
3. Engine ON/OFF Switch – ON position permits engine
starting,OFF positionstops engine operations.
4. Recoil Starter (pull rope) – Manual-startingmethod. Pull
thestarter gripuntil resistanceis felt,then pull briskly and
smoothly.
5. FuelValve Lever – OPEN to let fuel flow, CLOSE to stop
theflow of fuel.
6. Choke Lever – Used inthe starting of a cold engine, or in
cold weather conditions. The choke enriches the fuel
mixture.
7. Air Cleaner – Preventsdirt and otherdebrisfrom entering
the fuel system. Remove wing-nut on top of air filter
cannisterto gain accessto filter element.
8. Spark Plug – Provides spark to the ignition system. Set
sparkplug gap to0.6 -0.7 mm (0.028- 0.031inch). Clean
sparkplug oncea week.
9. Muffler – Used toreduce noiseand emissions.
Enginecomponentscangenerateextremeheat.
To prevent burns, DO NOT touch these areas
whiletheengineisrunningorimmediatelyafteroperating.NEVER
operatetheenginewiththemufflerremoved.
10. Fuel Tank – Holds unleaded gasoline. For additional
informationreferto engineowner'smanual.
WARNING
WARNING NOTE
Operating the engine without an air filter,
withadamagedairfilter,orafilterinneedof
replacement will allow dirt to enter the
engine, causing rapid engine wear.
WARNING
Honda GX Series Engine Shown
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 15
WC-62P/S CONCRETE MIXER — HANDWHEEL ASSEMBLY
Assembly
TheWC-62PandWC-62S concrete mixersareshipped with
thehandwheel detached. Attachthehandwheel to themixer
as shown in Figure 4.
Figure 4. Handwheel Assembly
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PAGE 16 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER —TOWING GUIDELINES
To reduce the possibility of an accident while transporting
the mixer on public roads, always make sure that the mixer
towing components and the towing vehicle are in good
operating condition and both units are mechanically sound.
Thefollowinglist ofsuggestions shouldbe usedwhen towing
the mixer:
CAUTION:CAUTION:
CAUTION:CAUTION:
CAUTION:
Towing Safety Precautions
■ Check with your county or state safety
towing regulations department before
towingyour
mixer .
■ Make sure that the hitch and coupling of the towing vehicle
are rated equal to, or greater than the trailer "gross vehicle
weightrating"(GVWR).
■ ALWAYS inspect the hitch and coupling for wear. NEVER
towthemixer withdefective hitches, couplings,chains etc.
■ CHECK thetire air pressure on both the towing vehicle and
thetrailer.Alsocheckthetire tread wearon bothvehicles.
■ ALWAYS make sure the mixer is equipped with a "Safety
Chain".
■ ALWAYS attach trailer's safety chain to the frame of towing
vehicle.
■ ALWAYS make sure that the towing vehicle's directional,
backup, and brakelightsare working properly.
■ Remember in most cases the maximum speed unless
otherwise posted for highway towing is 45 MPH, however
beforetowingyourmixer,checkyourlocalstate,andcounty
vehicletowingrequirements. Recommendedoff-roadtowing
isnottoexceed10MPH or lessdependingontypeofterrain.
■ Place chockedblocks underneathwheelstoprevent rolling,
whileparked, if disconnected from towing vehicle.
■ Inflate tires to correct pressure, inspect tires for cuts, and
excessive wear.SeeTable 16 (TireWearTroubleshooting).
■ When towing of the mixer is required, place the drum in the
upposition(mouth facing upwards).
■ ALWAYS make sure that the fuel valve lever is in the OFF
position(gasoline modelsonly).
CAUTION:CAUTION:
CAUTION:CAUTION:
CAUTION:
If the mixer tow bar is deformed or damaged
replace entire tow bar.NEVER tow the mixer
with a defective tow bar. There exist the
possibility of the trailer separating from the
towing vehicle.
Tow Bar to Vehicle Connection (Coupler Only)
1. Check the vehicle hitch ball, and mixer's coupler for
signs of wear or damage. Replace any parts that are
wornor damaged before towing.
2. Use only a 2-inch ball diameter (towing vehicle), this
will match the mixer's 2-inch coupler. Use of any other
balldiameterwillcreateanextremelydangerouscondition
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 (Pintle and Loop)
1. Make surethe bumperonthe towingvehicle isequipped
tohandleeitherapintleorlooptypetowbarconfiguration.
2. After tow bar has been connected to mixer (see next
page),secureeither typeoftowbarto thetowing vehicle,
following state and county towing regulations.
3. As a minimum, use a 1/2-inch bolt and nylock nut grade
5 when securing either tow bar to the towing vehicle,
■ Check wheel mounting lug nuts with a torque wrench.
Torque wheel lug nuts as described in the maintenance
sectionofthis 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
gasmilage.
■ Avoidsharp turns to prevent rolling.
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 17
WC-62P/S CONCRETE MIXER — SAFETY CHAIN CONNECTION
NEVER ! towthemixer withthe safetychain
removed. The safety chain is intended to
prevent completeseparationofthemixerfrom
the towing vehicle in the event of a tow bar
failure.
CAUTION:CAUTION:
CAUTION:CAUTION:
CAUTION:
ReferenceFigure 5for theinstallation of the Saftey 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,andinsert1/2-inchboltthroughtowbarandframe.
Securetowbartoframewith1/2-inchnylocknut.Tighten
to 40 ft.-lbs.
2. Route the safety chain through the holes just above 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.
3. Extend the safety chain along the length of the tow bar,
looping it through the tow bar's connector link. Remove
any excess chain slack.
4. Connect thefreeend of (connectorlink) the safety 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
drawbarbecomesdisconnectedfromthetowing vehicle.
Figure 5. Tow Bar and Safety Chain Installation
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PAGE 18 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER — ELECTRIC MOTOR
Electric Motor
For maintenance care and operationofthe electricmotor,refer
toyourelectricmotorinstructionbookletfurnishedwiththeelectric
motor.
Protect the electric motor from dust as much as possible and
keepventilating openings clean.
The electric motor used in this mixer is a single-phase 1.5 HP
motor. Theinputvoltagerequirementforthismotor iseither115
or230VAConly.
Electric Motor Connection
A 12 inch electrical cable (Figure 2) with a pigtail at one end is
providedwiththeelectrical motor forhookupto a powersource.
Table 1. shows the required NEMA connector for the desired
motor horsepower rating. In addition, Table 2 also shows the
matchingNEMAapprovedconnectorfor the required extension
cord.
ALWAYS , make certain that the power source required for the
electric motor is
correct and always use the correct NEMA
configuration plug.
Failure to supply the correct voltage to the
motorcanseverely damagethemotor.
The electric motor supplied with the mixer is configured from the
factoryfor115VACgroundedoperation.Makecertainthatthecorrect
sizegrounded(3-wires)extensioncordisused.SeeTable5.
Motors can burn out when the line voltage falls 10% below the
voltage rating of the motor. Failure to use proper voltage will
causethe motor tooverheat and actuatethe overloadswitch.
Ifoverloadprotectionshouldactuatebecauseofimpropervoltage
oranyother malfunction,turnthemainswitchonthemotor tothe
"OFF" position and correct the problem, press the reset switch
button,andturn themainswitch to the"ON"position.
CAUTION:
■ DO NOT spray water at any time on the
electric motor .
■ DO NOT operate electric motor in a
explosiveenvironment.
Electric MotorVoltage Change Switch
1.
ALWAYS makecertaintheelectric motor'sON/OFF switch
is in the "OFF" position and the power cord has been
disconnectedfromthe power source.
2. Removethevoltagechangelock-outboltandnut
(Figure6).
Changethepositionofthe
voltagechangetoggle switch
from115VACto230VAC.Themixerisfactorywiredfor115
VAC operation.
3. Re-install thevoltage changelock-out boltand nut.
NOTE NEVER!
disable or disconnect the
ON/OFF switchon the electric motor.
Itisprovidedforoperatorsafety.Injury
mayresultifitisdisable,disconnected
orimproperly maintained.
Figure 6. Voltage Change Switch
4.
Important!, whenchangingtheinput voltage totheelectric
motorfrom 115 to230VAC,the
plug on the electric motor
powercordmustalsobechanged. SeeTable6andFigure7.
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 19
Figure 7. Single Phase Electric Motor with 12 inch Pigtail Cable
WC-62P/S CONCRETE MIXER — ELECTRIC MOTOR
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PAGE 20 —WC-62P/S CONCRETE MIXERS — PARTS & OPERATION MANUAL — REV. #7 (06/30/05)
WC-62P/S CONCRETE MIXER — PRE-INSPECTION (GAS ENGINE)
Figure 8. Engine Oil Dipstick (Removal)
3. Insert and remove the dipstick without screwing it into the
fillerneck.Check the oillevelshown on thedipstick.
4. If the engine oil level is low (Figure 9), fill to the edge of
theoilfillerholewiththerecommendedoiltype(Table7).
SeeTable 2 for the oil capacity of your type engine.
Figure 9. Engine Oil Dipstick (Oil Level)
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nosaeS erutarepmeT epyTliO
remmuS rehgiHroC°52 03-W01EAS
llaF/gnirpS C°01~C°52 02/03-W01EAS
retniW rewoLroC°0 01-W01EAS
Fuel Check
Ifyourmixer has agasolineengine, determine ifthe engine fuel
islow. Iffuelislow,removethefuelfillercapandfillwith
unleaded
gasoline.Motorfuelsarehighlyflammableandcanbedangerous
ifmishandled.DONOTsmokewhilerefueling.DONOTattempt
to refuel the trowel if the engine is
hot! or running .
1. Remove the gasolinecaplocated on topof fuel tank.
2. Visuallyinspecttoseeiffuellevelislow.Iffuelislow,replenish
withunleaded fuel.
3. When refueling, be sure to use a strainer for filtration. DO
NOT top-offfuel. Wipe upany spilled fuel.
V-belt Check
AwornordamagedV-beltcan adverselyaffecttheperformance
ofthemixer.If aV-belt isdefective orwornsimplyreplace theV-
beltas outlinedin themaintenance sectionof thismanual.
Blade Check
Check for worn blades. If using a steel tub and the blades are
worn, replace the entire tub assembly. Remember the blades
arewelded totub.
Ifusinga plastic tub,replace the bladesusing the partnumbers
referencedin the partssection ofthis manual.
Start/Stop Switches
This mixer has been equipped with a start/stop switches for both
the gasoline and electric motor mixers.These switches should be
tested every time the engine or motor is started.
Grease Fittings (Zerk)
Check the zerk grease fittings (Figure 27) as shown in the
maintenancesectionofthismanual.Thesegreasefittingslubricate
the
handwheel and the yoke mechanism .
Explosive Fuel
Before Starting
1. Read safetyinstructions at the beginning ofmanual.
2. Clean the
mixer , removing dirt and dust, particularly the
engine cooling air inlet, carburetor and air cleaner.
3. Check theairfilterfor dirtanddust. Ifairfilterisdirty,replace
air filter with a new one as required.
4. Check carburetor for external dirt anddust. Clean with dry
compressedair.
5. Checkfasteningnutsandboltsfortightness.
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.
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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 21
WC-62P/S CONCRETE MIXER — INITIAL START-UP (GAS ENGINE)
Starting the Engine (Gasoline Only)
Thefollowingstepsoutlinetheprocedureforstartingthe engine.
Depending on the type of engine employed in the mixer the
steps may vary slightly. If your mixer has an electric motor
disregardthissection.
1. Move thefuelshut-off lever (Figure10)tothe ON position.
Figure 10. Fuel Shut-OFF Lever
2. Tostarta cold engine,movethe chokelever(Figure 11) to
theCLOSED position.
Figure 11. Choke Lever
3. Move the throttle lever (Figure 12) away from the slow
position,about1/3 oftheway towardthefast position.
Figure 12.Throttle Lever
4. Turn the engine switch (Figure 13) to the ON position.
Figure 13. Engine ON/OFF Switch
5. Located at the rear of the mixer frame is the main
start/
stop
button(Figure14). Pullthisbuttonoutwardtostartthe
engine.
Figure 14. Engine Start/Stop Button
Figure 15. Starter Grip
6. Pull the
starter grip (Figure 15) lightly until you feel
resistance,thenpullbriskly.Thedrumshouldberotating at
thistime.
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