MVC-90L PLATE COMPACTOR —TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the Engine Troubleshooting (Table 8) information shown below and on the following page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant.

TABLE 8. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE CAUSE

SOLUTION

 

 

 

 

Spark plug bridging?

Check gap, insulation or replace

 

spark plug.

 

 

 

 

 

Difficult to start, "fuel is available, but no

Carbon deposit on spark plug?

Clean or replace spark plug.

SPARK at spark plug".

Short circuit due to deficient spark plug

Check spark plug insulation,

 

 

insulation?

replace if worn.

 

 

 

 

Improper spark plug gap?

Set to proper gap.

 

 

 

 

ON/OFF switch is shorted?

Check switch wiring, replace

 

switch.

 

 

 

 

 

 

Ignition coil defective?

Replace ignition coil.

 

 

 

Difficult to start, "fuel is available, and

Improper spark gap, points dirtry?

Set correct spark gap and clean

points.

SPARK is present at the spark plug".

 

 

 

 

Condenser insulation worn or short

Replace condenser.

 

circuiting?

 

 

 

 

 

 

Spark plug wire broken or short circuiting?

Replace defective spark plug

 

wiring.

 

 

 

 

 

 

Wrong fuel type?

Flush fuel system, and replace

 

with correct type of fuel.

 

 

Difficult to start, "fuel is available, spark

 

 

Water or dust in fuel system?

Flush fuel system.

is present and compression is normal"

 

 

 

 

Air cleaner dirty?

Clean or replace air cleaner.

 

 

 

 

Suction/exhaust valve stuck or protruded?

Re-seat valves.

 

 

 

 

Piston ring and/or cylinder worn?

Replace piston rings and or

 

piston.

Difficult to start, "fuel is available, spark

 

 

 

 

 

is present and compression is low"

Cylinder head and/or spark plug not

Torque cylinder head bolts and

 

tightened properly?

spark plug.

 

 

 

 

Head gasket and/or spark plug gasket

Replace head and spark plug

 

damaged?

gaskets.

 

 

 

 

Fuel not available in fuel tank?

Fill with correct type of fuel.

 

 

 

 

Fuel cock does not open properly?

Apply lubricant to loosen fuel

 

cock lever, replace if necessary.

 

 

No fuel present at carburetor.

 

 

Fuel filter clogged?

Replace fuel filter.

 

 

 

 

 

Fuel tank cap breather hole clogged?

Clean or replace fuel tank cap.

 

 

 

 

Air in fuel line?

Bleed fuel line.

 

 

 

MVC-90L PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #1 (11/01/05) — PAGE 23

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Multiquip manual MVC-90L Plate Compactor -TROUBLESHOOTING Engine, Engine Troubleshooting

MVC-90L specifications

The Multiquip MVC-90L is a highly versatile and efficient concrete vibrator designed to enhance the performance of contractors in various construction projects. With its powerful Honda engine and robust construction, the MVC-90L stands out as a reliable tool for consolidating concrete, ensuring high-quality finishes for slabs, walls, and other structures.

One of the primary features of the MVC-90L is its Honda GX160 engine, which offers a consistent power output of 5.5 horsepower. This engine is known for its durability and fuel efficiency, providing the necessary power to operate the vibrator effectively. The MVC-90L also includes a centrifugal clutch, providing smooth engagement and disengagement, which contributes to its user-friendly operation.

The design of the MVC-90L prioritizes comfort and ease of use. It is equipped with ergonomic handles and a lightweight frame, making it easy for operators to maneuver on job sites. Additionally, its compact size allows for easy transportation and storage, making it a practical choice for contractors who need to move equipment frequently.

The MVC-90L features a 15-foot flexible shaft coupled with a vibratory head, which ensures an extensive reach for a variety of applications. This flexibility allows users to cover larger areas without needing to reposition the equipment frequently. The vibrator head produces a high frequency of vibration, ensuring efficient concrete consolidation, resulting in a denser and stronger final product.

With a robust construction, the MVC-90L is designed to withstand the rigors of heavy job site use. The materials used in its construction are resistant to wear and tear, ensuring longevity and reduced maintenance costs. This reliability makes it a preferred choice among professionals who demand performance from their equipment.

Multiquip also emphasizes safety features in the MVC-90L design. The vibrating head is engineered to minimize operator fatigue, while the centrifugal clutch helps reduce the risk of accidental starts. The overall design incorporates safety measures to protect both the user and the equipment.

In summary, the Multiquip MVC-90L is a powerful and user-friendly concrete vibrator that offers reliable performance for various construction applications. With its Honda engine, ergonomic design, and efficient operational features, it ensures professional-quality results while promoting safety and ease of use on the job site. Contractors seeking a durable and effective concrete consolidation solution will find the MVC-90L an invaluable addition to their equipment lineup.