Multiquip manual WC-42S Concrete Mixer Troubleshooting ENG./MIXER

Page 31

WC-42S CONCRETE MIXER — TROUBLESHOOTING (ENG./MIXER)

TABLE 9. ENGINE TROUBLESHOOTING (Continued)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Governor adjustment improper?

Adjust governor to correct lever.

 

 

 

 

Governor spring defective?

Clean or replace ignition.

Rotational speed fluctuates.

 

 

Fuel flow erratic?

Check fuel line.

 

 

 

 

 

Air taken in through suction line?

Check suction line.

 

 

 

 

 

Recoil starter not working

Dust in rotating part?

Clean recoil starter assembly.

 

 

properly.

Spring spring failure?

Replace sprial spring.

 

 

 

 

TABLE 10. MIXER TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Defective ring gear?

Check that the ring gear and bearings are not worn . Replace as

 

necessary.

 

 

 

 

 

 

Defective pinion gear?

Check that the pinion gear and bearings are not worn . Replace as

Drum rotates rough.

necessary.

 

 

 

 

 

Worn V-belt?

Replace V-belt.

 

 

 

 

Loose pulley?

Tighten or replace pulley.

 

 

 

 

Incorrect or no voltage being

Check that the electric motor has the correct supply voltage.

 

supplied to electric motor?

 

 

 

 

 

 

Power to electric motor?

Inspect power source and extension cord. Push reset button on

 

electric motor. Make sure correct voltage is being supplied to motor.

 

 

 

 

 

 

 

Check level of fuel in fuel tank. Add fuel if necessary. Make sure

Drum does not rotate at all.

Fuel?

fuel is being supplied to the engine. Check to ensure that the fuel

 

filter is not clogged.

 

 

 

 

 

 

Broken V-belt?

Replace V-belt.

 

 

 

 

Defective ring or pinion gears?

Check that the gears and bearings are not broken. Replace as

 

necessary.

 

 

 

 

 

 

Defective electric motor?

Replace electric motor.

 

 

 

WC-42S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #8 (12/16/05) — PAGE 31

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Contents Whiteman Series Concrete Mixer Page Heres HOW to GET Help WC-42S Concrete Mixer Table of Contents Technical Assistance Service DepartmentWarranty Department Parts DepartmentBaldor 34F324-5596 ModelWC-42S Concrete Mixer Dimensions Mixer Foryour Safety and the Safety of Others WC-42S Concrete Mixer Safety Message Alert SymbolsWC-42S Concrete Mixer Rules for Safe Operation Emergencies WC-42S Concrete Mixer Rules for Safe OperationWC-42S Mixer Decals Machine Safety DecalsWC-42S Concrete Mixer General Information WC-42S Concrete Mixer Mixer Basic Components Starting, OFF position stops engine operations WC-42S Concrete Mixer Basic Engine ComponentsHandwheel Assembly AssemblyMixer Tow Bar Vehicle Connection Pentile and Loop Tow Bar to Vehicle Connection Coupler OnlyTow Bar to Mixer Connection Tow Bar and Safety Chain InstallationElectric Motor Connection Electric MotorWC-42S Concrete Mixer Electric Motor Single Phase Electric Motor with 12 inch Pigtail CableWC-42S Concrete Mixer PRE-INSPECTION GAS Engine Fuel Shut-OFF Lever Starting the Engine Gasoline OnlyStarting the Electric Motor Initial Start-up Instructions Electric Motor StartingOperation WC-42S Concrete Mixer OperationStopping the Mixer Electric WC-42S Concrete Mixer Maintenance Engine Maintenance WC-42S Concrete Mixer Maintenance EngineWC-42S Concrete Mixer Maintenance Mixer Suspension Components WC-42S Concrete Mixer Maintenance MixerTo tighten wheel lug nuts Page Engine Troubleshooting WC-42S Concrete Mixer Troubleshooting EngineWC-42S Concrete Mixer Troubleshooting ENG./MIXER Items Found In the Remarks Column Explanation of Code in Remarks ColumnWC-42S Concrete Mixer Suggested Spare Parts Name Plate and Decals DECAL, Emergency Stop DECAL, Safety InstructionsSee Operation and Safety Decals DECAL, MQ Whiteman Logo CIPDCL160 DECAL, Crush WarningSteel Barrel Assy Ring Gear Housing JackshaftCAP King PINMain Frame Assy Dump Gear Connector LinkGUARD, Gear Wheel WASHER, Lock 1/4Axle Assy Bearing CONE, 1-1/16 Spindle Lock NUT 5/8 NCOIL Seal Bearing CONE, 7/8 SpindleCabinet Assy WASHER, Lock 5/16 Rubber Protector Includes Item WWASHER, Flat 5/16 Latch ASSY., CompleteGAS Engine Mounting Plate Assy Upper Pulley ENGINE, Honda 4.0 HPRING, Retaining Square KEYElectric Motor Mounting Plate Assy Drive Pulley MOTOR, Electric .5 HPAIR Cleaner Assy GASKET, Elbow GROMMET, AIR CleanerCOLLAR, AIR Cleaner Collar B, AIR CleanerCamshaft Assy LIFTER, Valve SPRING, Weight ReturnROD, Push ARM, Valve RockerCarburetor Assy Float SET PLATE, Lever SettingGasket SET Valve SET, FloatControl Assy SPRING, Throttle Return ARM, GovernorROD, Governor SPRING, GovernorCrankcase Cover Assy PIN A, Dowel GASKET, Case CoverGASKET, OIL Filler CAP BEARING, Radial BallCrankshaft Assy CRANKSHAFT, H-TYPE Cylinder Barrel Assy SHAFT, Governor ARM WEIGHT, GovernorPIN, Governor Weight SLIDER, GovernorCylinder Head Assy COVER, Head GUIDE, Valve OS OptionalCLIP, Valve Guide GASKET, Cylinder HeadFAN Cover Assy PLATE, Side OIL Alert GROMMET, Adjusting CoverWIRE, Stop Switch 370MM COVER, FAN *NH1* BlackFlywheel Assy NUT, Special 14MM FAN, CoolingPULLEY, Starter FlywheelFuel Tank Assy GASKET, Fuel Filler CAP RUBBER, Supporter 107MMJOINT, Fuel Tank TANK, Fuel *NH1* BlackIgnition Coil Assy Coil ASSEMBLY, Ignition Muffler Assy SCREW, Tapping MufflerPROTECTOR, Muffler GASKET, MufflerPiston Assy PISTON, OS BOLT, Connecting RODRing SET, Piston Standard PISTON, StandardRecoil Starter Assy GUIDE, Ratchet SCREW, SettingREEL, Recoil Starter RATCHET, StarterNo Artwork Available Gasket KIT Assy Honda GX120K1QX2 Engine Gasket KIT AssyEngine Labels Assy MARK, OIL Alert Labels AssyLabel Caution Mark ChokeEffective October 1, 2002 Terms and Conditions of Sale Parts Page Multiquip INC

WC-42S specifications

The Multiquip WC-42S is a versatile and robust walk-behind concrete saw, specifically designed for precision cutting and user efficiency. This machine is particularly beneficial to contractors involved in the construction and maintenance of roads, pavements, and other concrete structures. Its durability and high-performance specifications make it a popular choice for both commercial and residential projects.

One of the standout features of the WC-42S is its powerful engine. Powered by a reliable Honda GX390 engine, the saw offers impressive performance, delivering ample power for both wet and dry cutting applications. The engine's fuel efficiency ensures longer operational periods, minimizing downtime for refueling, and its ease of use is a significant advantage for operators of all skill levels.

The WC-42S is equipped with a robust cutting assembly that accommodates a variety of blade sizes, with a maximum cutting depth of up to 4 inches. This adaptability allows users to customize their operations according to specific project requirements. The machine can support blades up to 14 inches in diameter, offering added versatility for various cutting tasks across different materials, including asphalt and reinforced concrete.

A notable technological feature of the WC-42S is its inflexible frame design, which enhances stability and support, ensuring straight cuts even under demanding conditions. The saw also features a user-friendly depth adjustment system that allows for quick changes between cutting depths, providing operators with unparalleled control.

Safety and comfort have also been prioritized in the design of the WC-42S. It is fitted with ergonomic handles that reduce operator fatigue during prolonged use. The saw’s low-profile design allows for better visibility and control, particularly when cutting in tight spaces or intricate patterns.

Moreover, the WC-42S includes an integrated water system for cooling the blade and minimizing dust, contributing to cleaner worksite conditions. This feature not only enhances performance but also improves operator safety by reducing silica dust exposure.

In summary, the Multiquip WC-42S walk-behind concrete saw stands out with its powerful engine, versatile cutting capabilities, user-friendly design, and integrated safety features. Its blend of technology and robust engineering makes it a favorite among professionals looking for reliability and high performance in concrete cutting solutions. With the WC-42S, contractors can achieve precise cuts efficiently and effectively, making it a worthy investment for any concrete project.
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