Multiquip MVH-702DRSC manual Engine Troubleshooting

Page 29

MVH-702DRSC —TROUBLESHOOTING

TABLE 7. ENGINE TROUBLESHOOTING (continued)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Receiving failure light does not work

Receiving failure light broken?

Repair or replace receiving failure light.

 

 

 

Make sure wire harness is connected properoy and

but machine operates properly,

Disconnected or short-circuited wire harness?

correct any short circuits.

 

 

 

 

 

 

 

Broken oil pressure light?

Repair or replace oil pressure light.

 

 

 

Oil pressure light is on but the engine

Disconnected or short-circuited wire harness?

Make sure wire harness is connected properoy and

does not stop.

correct any short circuits.

 

 

 

 

 

Failed engine fuel solenoid?

Repair or replace fue solenoid.

 

 

 

 

Broken regulator failure light?

Repair or replace regulator failure light.

 

 

 

Regulator failure light is on

Failure of engine alternator?

Repair or replace engine alternator.

 

 

 

Disconnected or short-circuited wire harness?

Make sure wire harness is connected properoy and

 

correct any short circuits.

 

 

 

 

 

Engine overheat light is on

Air cleaner element is dust contaminated?

Clean or replace air cleaner element.

 

 

Overheated engine?

Let engine cool before restart.

 

 

 

 

No cylinder decompression

Intake or exhaust valve pushed up?

Adjust valve.

 

 

Failure of decompression adjustment?

Properly adjust decompression

 

 

 

 

 

Valve sheets do not have proper contact?

Adjust valve sheets.

 

 

 

Insufficient cylinder decompression

Worn piston ring/cylinder?

Replace piston ring/cylinder.

 

 

Cylinder and cylinder head not properly connected?

Make sure of proper connection.

 

 

 

 

 

Loose nozzle sheet?

Tighten nozzle sheet.

 

 

 

 

Tank cap ventilated hole clogged?

Unclog tank cap ventilated hole.

Fuel is not properly injected in cylinder

 

 

Fuel filter/strainer clogged?

Unclog fuel filter/strainer

(no flow or slow flow.)

 

 

 

Air stuck in fuel pipe?

Make sure fuel tank is not empty to remove air.

 

 

 

 

Barrel or plunger of fuel pump clogged?

Unclog barrel or plunger.

 

 

 

Fuel is not injected in cylinder.

Nozzle hole clogged?

Unclog nozzle hole.

 

 

 

 

Nozzle needle stuck?

Unstuck nozzle needle.

 

 

 

 

Poor start operation

Restart engine.

Fuel and decompression is normal, but

 

 

Dirty oil?

Change oil.

engine does not start.

 

 

 

Air stuck in fuel pipe?

Make sure fuel tank is not empty to remove air.

 

 

 

 

Poor cooling fan maintenance?

Maintain cooling fan properly.

 

 

 

 

Water mixed with fuel in fuel filter?

Replace fuel and make sure water does not get into fuel

 

filter.

 

 

 

 

 

Engine overheat and smoky exhaust

Carbon slag stuffed in cylinder or exhaust port?

Remove carbon slag.

 

 

gas.

Improper smoke set?

Make sure of proper smoke setting.

 

 

 

 

Engine overloaded?

Do not run overloaded engine.

 

 

 

 

Injection timing off?

Set proper injection timing.

 

 

 

 

Closed nozzle?

Open nozzle.

 

 

 

 

Incorrect contact between governor fork and sleeve?

Correct contact.

 

 

 

Unstable engine revolution

Governor spring failed?

Correct or replace.

 

 

 

 

Fly plate or revolving parts worn/failed.

Repair or replace worn parts.

 

 

 

MQ-MIKASA MVH-702DRSC COMPACTOR — PARTS & OPERATION MANUAL — REV. #1 (12/17/03) — PAGE 29

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Contents MVH-702DRSC Page Heres HOW to GET Help Table of Contents When ordering parts Please supply the following information Parts Ordering ProceduresMVH-702DRSC Safety Message Alert Symbols MVH-702DRSC Safety Message Alert Symbols MVH-702DRSC Rules for Safe Operation General SafetyMVH-702DRSC Rules for Safe Operation Main Switch MVH-RC MVH-702DRSC Dimensions and Specifications Features include MVH-702DRSC FeaturesMVH-702DRSC Compactor Components MVH-702DRSC Compactor ComponentsReceiving Failure Light MVH-702DRSC Remote Control Components Control Unit Body MVH-702DRSC Remote Control ComponentsMVH-702DRSC Transmitter Components Transmitter MVH-702DRSC Remote Control ComponentsBefore START-UP Settingthe Operational ChannelChargingthe Battery MVH-702DRSC Battery ChargingBefore Operation MVH-702DRSC OperationOperatingthe Machine Startingthe EngineRestartingthe Engine Restartingwith Remote CableTransporting MVH-702DRSC Loading and Unloading GuidelinesLifting Battery Cable Connection Machine MaintenanceMachine Battery Maintenance Hour Meter Reading MVH-702DRSC -TROUBLESHOOTINGLocation Service MVH-702DRSC -TROUBLESHOOTING Engine Troubleshooting Engine Troubleshooting Block Diagram MVH-702DRSC Block DiagramMVH-702DRSC Recieverwiring Diagram MVH-702DRSC -VALVE Control Diagram Page MVH-702DRSC Explanation of Code in Remarks Column To 3 Units MVH-702DRSC Suggested Spare PartsMVH-702DRSC Compactor Nameplate and Decals Part Name QTY MVH-702DRSC Compactor Vibrating Plate Assy Vibrating Plate MVH-702DRSC Compactor Vibrator Assy Vibrator Case MVH-702DRSC Compactor Cover Assy Base MVH-702DRSC Compactor Cover ASSY. WASHER, Flat M8 MVH-702DRSC Compactor Engine Assy Part Name MVH-702DRSC Compactor Hydraulic System Assy OIL Tank MVH-702DRSC Compactor Hydraulic System ASSY. SUB OIL Tank Base MVH-702DRSC Compactor Electric Device Assy Reciever MVH-702DRSC Compactor Electric Device ASSY. Harness PS Effective October 1, 2002 Terms and Conditions of Sale Parts Page Technicalassistance

MVH-702DRSC specifications

The Multiquip MVH-702DRSC is a state-of-the-art, reversible plate compactor that has been designed for maximum performance and efficiency in soil and asphalt compaction. Renowned for its durability and user-friendly features, the MVH-702DRSC is an ideal choice for a wide variety of construction and landscaping applications.

One of the standout features of the MVH-702DRSC is its powerful 4.5 hp engine, ensuring optimal performance in tough working conditions. The engine is not only reliable, but it also provides excellent fuel efficiency, allowing for extended operation without the need for frequent refueling. The compact design of the MVH-702DRSC enables it to easily navigate tighter job sites, making it an exceptional choice for residential and commercial projects alike.

Another remarkable characteristic of this plate compactor is its advanced vibration technology. With a maximum centrifugal force of 3,300 pounds, the MVH-702DRSC ensures efficient compaction of granular and cohesive soils. It features a wide base plate that is specifically designed to provide a high degree of stability and effective material displacement, which results in a well-compacted surface. The ability to reverse also allows operators to perform tasks quickly and effectively, eliminating the need to reposition the machine for optimal operation.

User comfort and control are prioritized in the design of the MVH-702DRSC. The ergonomic handle is adjustable and designed to reduce operator fatigue, allowing for extended periods of use without discomfort. The machine also incorporates a sophisticated splash guard, which helps to keep the engine and components clean, an important aspect that contributes to longevity and performance.

Moreover, the MVH-702DRSC is equipped with a protective frame that safeguards critical components during operation, minimizing maintenance requirements over time. The compact and robust design assures ease of transport, as it can fit in small trailers or truck beds, enabling contractors to easily move it between job sites.

In conclusion, the Multiquip MVH-702DRSC is a high-performing, versatile reversible plate compactor that combines power, efficiency, and user-friendly features. From its durable construction to its advanced vibration technology, it is designed to meet the rigorous demands of the construction industry while ensuring comfort and ease of use for operators. Ideal for compacting soil and asphalt, the MVH-702DRSC is a reliable choice for professionals seeking a robust compaction solution.