MVH-304DSB-TROUBLESHOOTING, Engine Troubleshooting

MVH-304DSB—TROUBLESHOOTING

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. 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

SYMPTON	POSSIBLE PROBLEM	SOLUTION

	Speed control lever is in "STOP" position?	Set speed control lever to "START" position.

	No fuel reaching injection pump?	Add fuel. Check entire fuel system.

	Defective fuel pump?	Replace fuel pump.

	Fuel filter clogged?	Replace fuel filter and clean tank.

Engine will not start or start is	Faulty fuel supply line?	Replace or repair fuel line.
Engine will not start or start is
delayed, although engine can	Compression too low?	Check piston, cylinder and valves. Adjust or
be turned over.	Compression too low?	repair per engine repair manual.
be turned over.		repair per engine repair manual.

	Fuel injector not working correctly?	Repair or replace injector in accordance with
	Fuel injector not working correctly?	engine repair manual.
		engine repair manual.

	Oil pressure too low?	Check engine oil pressure.

	Low starting temperature limit exceeded	Comply with cold starting instructions and
	Low starting temperature limit exceeded	proper oil viscosity.
		proper oil viscosity.

		Check whether clear (not turbid) fuel emerges
		from the fuel line (detach from injection
	Fuel separates has inadequate resistance to	pump). If the fuel is turbid or separated, warm
At low temperatures engine will	low temperatures?	up the engine or drain the complete fuel
At low temperatures engine will		supply system. Refuel with winter grade diesel
not start.		supply system. Refuel with winter grade diesel
not start.		fuel.
		fuel.

	Engine oil too thick?	Refill engine crankcase with correct type of oil
	Engine oil too thick?	for winter environment.
		for winter environment.

	Throttle lever in STOP position?	Reposition throttle lever to RUN position.
Engine fires but stops soon as
Engine fires but stops soon as	Fuel filter blocked?	Replace fuel filter.
starter is switched off.	Fuel filter blocked?	Replace fuel filter.
starter is switched off.
	Fuel supply blocked?	Check the entire fuel system.

Engine stops by itself during	Fuel tank empty?	Add fuel.
Engine stops by itself during
normal operation.	Fuel filter blocked?	Replace fuel filter.
	Fuel filter blocked?	Replace fuel filter.

	Fuel tank empty?	Fill with No.2 diesel fuel.

	Fuel filter clogged?	Replace fuel filter.

Low engine power, output and	Fuel tank venting is inadequate?	Ensure that tank is adequately vented.
speed.
speed.	Speed control lever does not remain in	See engine manual for corrective action.
	Speed control lever does not remain in	See engine manual for corrective action.
	selected position?

	Engine oil level too full?	Correct engine oil level?

Low engine power output and	Air filter blocked?	Clean or replace air filter.

	Incorrect valve clearances?	Adjust valves per engine specification.
low speed, black exhaust	Incorrect valve clearances?	Adjust valves per engine specification.
smoke.
smoke.	Malfunction at injector?	See engine manual.
	Malfunction at injector?	See engine manual.

PAGE 24 — MQ-MIKASA MVH-304DSB PLATE COMPACTOR — PARTS & OPERATION MANUAL — REV. #2 (11/16/05)

MVH-304DSB specifications

The Multiquip MVH-304DSB is a versatile and robust dual drum vibratory roller, designed to meet the demands of various construction and landscaping projects. This machine is renowned for its efficiency in compacting asphalt, soil, and gravel, making it an essential tool for contractors and engineers alike.

One of the standout features of the MVH-304DSB is its high-performance diesel engine, which provides ample power while ensuring fuel efficiency. The engine is not only dependable but also meets stringent emission standards, showcasing Multiquip’s commitment to environmentally friendly solutions. With a rated output, the machine can easily handle even the most demanding compaction tasks.

The design of the MVH-304DSB is characterized by its dual drum configuration, which enhances stability and control during operation. Each drum is independently driven, offering excellent maneuverability in tight spaces and around obstacles. The rollers are constructed from high-quality steel, ensuring durability and long operational life. Additionally, the machine features a smooth surface roller design, which provides even compaction without damaging the material.

The MVH-304DSB is equipped with advanced vibratory technology that optimizes compaction performance. The adjustable vibration frequency allows the operator to fine-tune the compaction for different materials, ensuring maximum efficiency. This feature is essential for achieving the desired compaction density and ultimately contributes to the longevity and stability of the surface being compacted.

Operator comfort and safety are priorities in the design of the MVH-304DSB. The machine boasts a spacious operator’s platform with ergonomic controls that enhance productivity. Visibility is also a key consideration, with strategically placed windows and low-profile design that ensure the operator has an unobstructed view of the work area.

In terms of maintenance, the MVH-304DSB is designed for easy access to critical components, simplifying routine checks and servicing. This not only reduces downtime but also extends the lifespan of the roller.

Overall, the Multiquip MVH-304DSB stands out in the marketplace for its combination of power, efficiency, and user-friendly features, making it an excellent choice for those looking to enhance their compaction capabilities on site. Its innovative technologies and robust construction ensure that it remains a reliable workhorse for any construction project.