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Multiquip MVH-702DRSC manual Engine Troubleshooting

Models: MVH-702DRSC

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MVH-702DRSC —TROUBLESHOOTING

TABLE 7. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

The main switch of machine body is

Defective battery?

Charge or replace battery.

 

 

Main switch not working?

Repair or replace main switch.

switched on, but no electricity is

 

 

available (monitoring lamps 9, 10, and

Cell/crank start switch not working?

Repair or replace cell/crank switch.

12 are not lighted on the control unit)

 

 

Control unit circuit board broken?

Repair or replace control unit circuit board.

 

 

 

 

 

Low charge of transmitter battery?

Charge battery.

The main switch of the transmitter is

 

 

Faulty main transmitter switch?

Repair or replace transmitter main switch.

switched on, but the engine does not

 

 

Transmitter circuit board broken?

Repair or replace transmitter circuit board.

start (signal lamp of transmitter does

 

 

not light.)

Tansmitter infra-red lamp covered with dust?

Wipe lamp with clean cloth. If very dirty, use mild soap

 

 

or cleaner to remove dirt.

 

 

 

 

 

The main switch of the transmitter is

 

 

switched on, but the engine does not

 

Make sure remote control cable is properly connected.

start (signal lamp of transmitter lights

Remote control cable not properly connected?

Check and correct any possible short circuits.

but monitoring lamp no. 8 on control

 

 

 

unit does not light.)

 

 

 

 

 

The main switch of the transmitter is

Cell motor/relay of engine burned?

Reposition throttle lever to RUN position.

switched on, but the engine does not

 

 

 

 

start (signal lamp of transmitter does

Control unit circuit board burned?

Replace fuel filter.

not light and monitoring lamp no. 8 on

 

 

Main battery power too low?

Charge or replace battery

control unit does not light.)

 

 

 

he main switch of the transmitter is

Failed engine fuel solenoid?

Repair or replace fue solenoid.

switched on, the engine starts but then

 

 

 

Make sure wire harness is connected properoy and

stops (signal lamp of transmitter does

Disconnected or short-circuited wire harness?

correct any short circuits.

not light and monitoring lamp no. 8 on

 

 

 

control unit does not light.)

Need restart?

Refer to Restarting Engine section of this manual.

 

 

 

Engine starts but no vibration starts

Vibration switch on transmitter does not work?

Repair or replace switch.

(vibration switch is on, but monitoring

 

 

lamp no. 6 of control unit does not

Failure of transmitter circuit board?

Repair or replace circuit board.

light.)

 

 

 

 

 

 

Failure of control unit circuit board?

Repair or replace circuit board.

Engine starts but no vibration starts

 

 

 

Make sure wire harness is connected properoy and

(vibration switch is on and monitoring

Disconnected or short-circuited wire harness?

correct any short circuits.

lamp no. 6 of control unit lights.)

 

 

 

 

Failure of vibration solenoid of valve unit?

Repair or replace solenoid.

 

 

 

 

Broken joystick lever?

Repair or replacejoystick lever.

 

 

 

Machine vibrates but does not travel

Failure of transmitter circuit board?

Repair or replace circuit board.

 

 

(monitoring lamp and joystick lever of

 

 

Disconnected or short-circuited wire harness?

Make sure wire harness is connected properoy and

transmitter are not working.)

correct any short circuits.

 

 

 

 

 

 

 

Failure of control unit circuit board?

Repair or replace circuit board.

 

 

 

 

Failure of vibration solenoid of valve unit?

Repair or replace solenoid.

Machine vibrates but does not travel

 

 

 

Make sure wire harness is connected properoy and

(monitoring lamp and joystick lever of

Disconnected or short-circuited wire harness?

correct any short circuits.

transmitter are working.)

 

 

 

 

Failure of vibrator unit?

Repair or replace vibrator unit.

 

 

 

PAGE 28 — MQ-MIKASA MVH-702DRSC COMPACTOR — PARTS & OPERATION MANUAL — REV. #1 (12/17/03)

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Page 28
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Multiquip MVH-702DRSC manual Engine Troubleshooting
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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.