Multiquip MVC80VH/VHW manual Engine Troubleshooting

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TROUBLESHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

TABLE 8. ENGINE TROUBLESHOOTING (CONTINUED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYMPTOM

 

POSSIBLE CAUSE

 

SOLUTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Air cleaner not clean?

 

Clean or replace air cleaner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Improper level in carburetor?

 

Check float adjustment, re-build

 

 

 

 

"Weak in power" compression is

 

 

carbureator.

 

 

 

 

 

 

 

 

 

 

 

 

proper and does not misfire.

 

 

 

 

 

 

 

 

 

 

Defective Spark plug?

 

Clean or replace spark plug.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Defective Spark plug?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Water in fuel system?

 

Flush fuel system, and replace

 

 

 

 

 

 

 

with correct type of fuel.

 

 

 

 

 

 

 

 

 

 

 

 

 

"Weak in power" compression is

 

 

 

 

 

 

 

 

 

 

Dirty spark plug?

 

Clean or replace spark plug.

 

 

 

 

proper but misfires.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ignition coil defective?

 

Replace ignition coil.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Spark plug heat value improper?

 

Replace with correct type of

 

 

 

 

 

 

 

spark plug.

 

 

 

 

 

 

 

 

 

 

 

 

 

Engine overheats.

 

 

 

 

 

 

 

 

 

 

Correct type of fuel?

 

Replace with correct type of fuel

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cooling fins dirty?

 

Clean cooling fins.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Governor adjusted correctly?

 

Adjust governor.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rotational speed fluctuates.

 

Governor spring defective?

 

Replace governor spring.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fuel flow restricted?

 

Check entire fuel system for

 

 

 

 

 

 

 

leaks or clogs.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recoil mechanism clogged with dust and

 

Clean recoil assembly with soap

 

 

 

 

Recoil starter malfunction.

 

dirt?

 

and water.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sprial spring loose?

 

Replace sprial spring.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TABLE 9. PLATE COMPACTOR TROUBLESHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

SYMPTOM

 

POSSIBLE CAUSE

 

 

SOLUTION

 

 

 

 

 

 

 

 

 

 

 

Engine speed too low?

 

Set engine speed to correct RPM.

 

 

 

 

 

 

 

 

 

 

 

Clutch slips?

 

Check or replace clutch.

 

 

 

 

 

 

 

 

 

 

 

V-belt slips?

 

Adjust or replace V-belt.

 

 

Travel speed too low, and vibration is

 

 

 

 

 

Excessive oil in vibrator?

 

Drain excess oil and fill to proper level.

 

 

weak.

 

 

 

 

 

 

 

 

Malfunction in vibrator housing?

 

Check eccentric, gears and counter

 

 

 

 

 

 

 

 

 

 

weights.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bearing Failure?

 

Replace Bearing

 

 

 

 

 

 

 

 

 

 

 

Insufficient engine output?

 

Check engine, compression etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MVC80VH/VHW PLATE COMPACTOR — OPERATION AND PARTS MANUAL — REV. #3 (1/13/11) — PAGE 25

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Contents Model MVC80VH/VHW Proposition 65 Warning Page Component Drawings Table of ContentsOrdering parts has never been easier Parts Ordering ProcedureSafety Messages Safety InformationGeneral Safety Compactor Safety Fuel Safety Transporting Safety Specifications Compactor SpecificationsDimensions DimensionsDefinition of Plate Compactor General InformationWater Tank MVC-80VHW only ComponentsEngine Components Basic EngineBefore Starting InspectionClutch Pulley Vibrator Startup Place the Engine ON/OFF switch in the on positionOperation STARTUP/OPERATIONInspection and Maintenance ServiceTables MaintenanceEngine OIL Spark Plug Gap Changing Vibrator Oil Plate Compactor Storage Preparation for LONG-TERM StorageEngine Troubleshooting TroubleshootingEngine Troubleshooting Xxxxx only Not Used on Explanation of Codes in Remarks ColumnBelt Suggested Spare PartsShock Absorber Spark PlugNameplate and Decals Water Tank Contact MQ Parts DeptMQ/WATER Tank Main Body Assy Main Body Assy Earth WireVibrating Plate BaseVibrator Assy Vibrator AssyWASHER, Lock M14 Vibrating CaseWASHER, Flat M14 Case COVER/PULLEYWater Tank Assy CAP, Water Tank Guard HookNylon NUT M10 Pipe HolderCylinder Head Assy GASKET, Cylinder Head CLIP, Valve GuideCOVER, Head TUBE, BreatherCylinder Barrel Assy Governor Assy Switch ASSY., OIL LevelSLIDER, Governor SHAFT, Governor ARMCrankcase Cover Assy GASKET, OIL Filler CAP GASKET, CrankcaseBEARING, Radial Ball Crankshaft Assy Crankshaft PISTON/RINGS Assy Ring SET, Piston STD BOLT, Connecting RODPiston STD PIN, PistonCamshaft Assy Camshaft AssySEAL, Valve Stem SPRING, Weight ReturnROD, Push ARM, Valve RockerRecoil Starter Assy REEL, Recoil Starter CASE, Recoil StarterRATCHET, Starter PLATE, FrictionFAN Cover Assy PLATE, Side OIL Alert COVER, FAN BlackShroud Alert UNIT, OILCarburetor Assy Gasket SET PLATE, Lever SettingValve SET, Float Float SETAIR Cleaner Assy GROMMET, AIR Cleaner COVER, AIR CleanerCOLLAR, AIR Cleaner Collar B, AIR CleanerMuffler Assy Muffler AssyPROTECTOR, Muffler MufflerPROTECTOR, Lower Deflector CPFuel Tank Assy TANK, Fuel Black JOINT, Fuel TankGASKET, Fuel Filler CAP FILTER, FuelCooling FAN and Flywheel Assy PULLEY, Starter FAN, CoolingFlywheel NUT, Special 14MMIgnition Coil Assy Coil ASSY., Ignition WIRE, Stop Switch 370MMCAP Assy Control Assy ARM, Governor HOLDER, WireROD, Governor SPRING, GovernorLabels Assy MARK, Choke Gray MARK, Operator CautionFreight Policy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help