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Multiquip manual Engine Troubleshooting, MVH-120GH Operation and Parts Manual REV. #3 10/24/07

Models: MVH-120GH

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MVH-120GH —TROUBLESHOOTING (ENGINE)

TABLE 7. ENGINE TROUBLESHOOTING (CONTINUED)

	SYMPTOM	POSSIBLE CAUSE	SOLUTION

		Air cleaner not clean?	Clean or replace air cleaner

	"Weak in power". Compression is	Improper level in carburetor?	Check float adjustment, re-build
	proper and does not misfire.	Improper level in carburetor?	carbureator.
	proper and does not misfire.		carbureator.

		Defective Spark plug?	Clean or replace spark plug.

		Water in fuel system?	Flush fuel system, and replace
		Water in fuel system?	with correct type of fuel.
			with correct type of fuel.
	"Weak in power". Compression is
	"Weak in power". Compression is	Dirty spark plug?	Clean or replace spark plug.
	proper but misfires.	Dirty spark plug?	Clean or replace spark plug.

		Ignition coil defective?	Replace ignition coil.

		Spark plug heat value improper?	Replace with correct type of
		Spark plug heat value improper?	spark plug.
			spark plug.
	Engine overheats.
	Engine overheats.	Correct type of fuel?	Replace with correct type of fuel
		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.
	Rotational speed fluctuates.
		Fuel flow restricted?	Check entire fuel system for
		Fuel flow restricted?	leaks or clogs.
			leaks or clogs.

		Recoil mechanism clogged with dust and	Clean recoil assembly with soap
	Recoil starter malfunction.	dirt?	and water.
	Recoil starter malfunction.
		Spiral spring loose?	Replace spiral spring.

PAGE 24 — MVH-120GH — OPERATION AND PARTS MANUAL — REV. #3 (10/24/07)

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Multiquip manual Engine Troubleshooting, MVH-120GH Operation and Parts Manual REV. #3 10/24/07

Contents

Model MVH-120GH Proposition 65WARNING 2 MVH-120GH Operation and Parts Manual REV. #3 10/24/07MVH-120GH Operation and Parts Manual REV. #03 10/24/07 Table of Contents Parts Ordering Procedures Best Deal! Order via Internet Dealers OnlyOrder via Fax Dealers Only Safety 6 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Always wear approved eye and hearing protection Rules for Safe Operation 8 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Rules for Safe Operation MVH-120GH Specifications 10 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Definition of Plate Compactor Vibratory PlatesReversibleVibratory Plates Frequency/Speed12 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 ForwardMVH-120GH Components Honda GX160 Engine MVH-120GH Inspection 14 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Belt Check Belt HazardMVH-120GH Initial START-UP 16 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Starter Grip Stopping the EngineMVH-120GH Operation Operation18 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Inspection and Maintenance ServiceTables Daily ServiceMachine Inspection Hours of OperationMVH-120GH Maintenance 20 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Troubleshooting Hydraulic OilReplacing Hydraulic Oil MVH-120GH Preparation for Long -TERM Storage 22 MVH-120GH Operation and Parts Manual REV. #3 10/24/07MVH-120GH -TROUBLESHOOTING Engine Engine TroubleshootingEngine Troubleshooting 24 MVH-120GH Operation and Parts Manual REV. #3 10/24/07MVH-120GH -TROUBLESHOOTING Plate Compactor Plate Compactor TroubleshootingNO. Column Part NO. ColumnQTY. Column Remarks ColumnMVH-120GH Suggested Spare Parts Qty Description RemarksMVH-120GH Name Plate and Decals Name Plate and Decals28 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 DECAL, Caution MVH-120 MVH-120GH -VIBRATING Plate Assy 30 MVH-120GH Operation and Parts Manual REV. #3 10/24/07Vibrating Plate Assy MVH-120GH Body ASSY. OLD Version Body ASSY. Serial Number L3029 and below32 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 WASHER, Lock M8 MVH-120GH Body ASSY. NEW Version Body ASSY. Body ASSY. Serial Number L3030 and Above34 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 BASE, Separate Handle Type MVH-120GH -VIBRATOR ASSY. OLD Version Vibrator ASSY. Serial Number L3112 and below36 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 MVH-120GH Vibrator ASSY. OLD Version MVH-120GH -VIBRATOR ASSY. NEW Version Vibrator ASSY. Serial Number L3113 and Above38 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 MVH-120GH Vibrator ASSY. NEW Version MVH-120GH Control ASSY. Oldversion Control ASSY. Serial NO. L3080 and below40 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 MVH-120GH Control ASSY. OLD Version Control ASSY. Serial NO. L3081 and Above 42 MVH-120GH Operation and Parts Manual REV. #3 10/24/07MVH-120GH Control ASSY. NEW Version NUT M16Honda GX160 Engine Cylinder Head Assy Cylinder Head Assy44 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Includes Item W/ % CLIP, Vlave GuideGASKET, Cylinder Head Cover COMP., HeadHonda GX160 Engine Cylinder Barrel Assy Cylinder Barrel Assy46 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Switch ASSY., OIL Level WEIGHT, GovernorHOLDER, Governor Weight PIN, Governor WeightHonda GX160 Engine Crankcase Cover Assy Crankcase Cover Assy48 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Gasket Crankcase PACKING, OIL Filler CAPOIL Seal Honda GX160 Engine Crankshaft Assy Crankshaft Assy50 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Bolt Washer 8 MMKEY 5X5X33 Yellow Crankshaft CompHonda GX160 Engine Piston Assy Piston Assy52 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 BOLT, Connecting ROD Ring SET, Piston STDRing SET, Piston Piston STDHonda GX160 Engine Camshaft Assy Camshaft Assy54 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 SPRING, Weight Return NUT, Pivot AdjustingROD, Push ARM, Valve RockerHonda GX160 Engine Recoil Starter Assy Recoil Starter Assy56 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 REEL, Recoil Starter Rachet StarterPLATE, Friction GUIDE, RatchetHonda GX160 Engine FAN Cover Assy FAN Cover Assy58 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Cover COMP., FAN NH1 Shroud CompCLIP, Harness Alert UNIT, OILHonda GX160 Engine Carburetor Assy Carburetor Assy60 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 PLATE, Lever Setting Float Valve SETFloat SET Screw SET, PilotHonda GX160 Engine AIR Cleaner Assy AIR Cleaner Assy62 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 COVER, AIR Cleaner GROMET, AIR CleanerCOLLAR, AIR Cleaner PACKING, ElbowHonda GX160 Engine Muffler Assy Muffler Assy64 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Muffler Comp PROTECTOR, MufflerDeflector Comp ARRESTOR, SparkHonda GX160 Engine Fueltank Assy Fuel Tank Assy66 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Includes Item W/+ FILTER, FuelFuel Tank Comp Flange NUT 6 MMHonda GX160 Engine Flywheel Assy Flywheel Assy68 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Flywheel Comp Woodruff KEYFAN, Cooling PULLEY, StarterHonda GX160 Engine Ignition Coil Assy Ignition Coil Assy70 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 36101ZE1010 Honda GX160 Engine Control Assy Control Assy72 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Wire Holder SPRING, GovernorBOLT, Governor ARM ARM, GovernorHonda GX160 Engine Label Assy Label Assy74 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 MARK, Choke MARK, Choke GrayMARK, OIL Alert External MARK, Throttle IndicationHonda GX160 Engine -TOOLS Assy Tools Assy76 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Part Name HANDLE, BOX Wrench78 MVH-120GH Operation and Parts Manual REV. #3 10/24/07 Freight PolicyMVH-120GH Operation and Parts Manual REV. #03 10/24/07 HERE’S HOW to GET Help