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

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MC-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.

 

 

 

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

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Contents Concrete Mixer Page Heres HOW to GET Help MC-42S Concrete Mixer Table of Contents Technical Assistance Service DepartmentWarranty Department Parts DepartmentBaldor 34F324-5596 ModelMC-42S Concrete Mixer Dimensions Mixer Foryour Safety and the Safety of Others MC-42S Concrete Mixer Safety Message Alert SymbolsMC-42S Concrete Mixer Rules for Safe Operation Emergencies MC-42S Concrete Mixer Rules for Safe OperationMC-42S Mixer Decals Machine Safety DecalsMC-42S Concrete Mixer General Information MC-42S Concrete Mixer Mixer Basic Components Starting, OFF position stops engine operations MC-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 MotorMC-42S Concrete Mixer Electric Motor Single Phase Electric Motor with 12 inch Pigtail CableMC-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 MC-42S Concrete Mixer OperationStopping the Mixer Electric MC-42S Concrete Mixer Maintenance Engine Maintenance MC-42S Concrete Mixer Maintenance EngineMC-42S Concrete Mixer Maintenance Mixer Suspension Components MC-42S Concrete Mixer Maintenance MixerTo tighten wheel lug nuts Page Engine Troubleshooting MC-42S Concrete Mixer Troubleshooting EngineMC-42S Concrete Mixer Troubleshooting ENG./MIXER Items Found In the Remarks Column Explanation of Code in Remarks ColumnMC-42S Concrete Mixer Suggested Spare Parts Name Plate and Decals DECAL, Emergency Stop DECAL, Safety InstructionsSee Operation and Safety Decals DECAL, MQ Multiquip 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 Avalible 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

MC-42S specifications

The Multiquip MC-42S is a powerful and versatile concrete saw designed for both professional contractors and construction enthusiasts. This robust machine embodies a perfect blend of performance, durability, and ease of use, making it an excellent choice for a wide range of cutting applications, including asphalt, concrete, and masonry.

One of the standout features of the MC-42S is its dependable engine. Powered by a Honda GX390 gasoline engine, this saw delivers a peak performance of 13 horsepower, ensuring efficient cutting through tough materials. The engine is not only robust but also designed for fuel efficiency, which is essential for long working hours on the job site.

The MC-42S features an adjustable height handle that allows operators to easily control the cutting depth. This ergonomic handle enhances user comfort while reducing fatigue during prolonged use. The saw is equipped with an innovative bellows-style dust cover that minimizes dust production during cutting, keeping the job site cleaner and safer for everyone.

Another significant characteristic of the MC-42S is its cutting depth capability. With a maximum cutting depth of 14 inches, it’s suitable for a variety of cutting tasks, from shallow cuts to deeper trenches. This versatility allows users to tackle different projects without the need for multiple tools.

The saw features a heavy-duty frame constructed from high-strength materials, which enhances its durability and stability even during the most demanding tasks. Additionally, it comes equipped with large, robust wheels for easy mobility across job sites. This transportability ensures that operators can easily move the saw from one location to another without hassle.

Multiquip has integrated advanced technologies into the MC-42S, including a built-in water supply system that helps to cool the blade during operation. This system not only prolongs the life of the blade but also helps in minimizing the release of concrete dust, making it an environmentally friendly choice.

Finally, the MC-42S is designed for easy maintenance, with accessible components that make servicing straightforward. This feature ensures that the saw remains operational and reliable, minimizing downtime on the job.

In conclusion, the Multiquip MC-42S stands out as a premier option for those in need of a reliable and effective concrete saw. Its powerful engine, user-friendly design, efficient dust control system, and high cutting depth capabilities make it a favored choice across various construction and masonry applications.