trouble shooting (engine)

Troubleshooting (engine)

symptom

possible problem

Solution

 

 

 

 

No Fuel reaching injection pump?

Add fuel. Check entire fuel system.

 

 

 

 

Defective fuel pump?

Replace fuel pump.

 

 

 

 

Fuel fi lter clogged?

Replace fuel fi lter and clean tank.

 

 

 

 

Faulty fuel supply line?

Replace or repair fuel line.

 

 

 

 

Compression too low?

Check piston, cylinder and valves. Adjust or

 

repair per engine repair manual.

Engine will not start or start is delayed,

 

 

 

Fuel pump not working correctly?

Repair or replace fuel pump.

although engine can be turned over.

 

 

Oil pressure too low?

Check engine oil pressure.

 

 

 

 

 

Low starting temperature limit exceeded?

Comply with cold starting instructions and

 

proper oil viscosity.

 

 

 

 

 

 

Defective battery?

Charge or replace battery.

 

 

 

 

Air or water mixed in fuel system?

Check carefully for loosened fuel line

 

coupling, loose cap nut, etc.

 

 

 

 

 

 

Engine oil too thick?

Refi ll engine crankcase with correct type of

At low temperatures engine will not start.

oil for winter environment.

 

 

Defective battery?

Replace battery.

 

 

 

Engine fi res but stops soon as starter is

Fuel fi lter blocked?

Replace fuel fi lter.

 

 

Fuel supply blocked?

Check the entire fuel system.

switched off.

 

 

Defective fuel pump?

Replace fuel pump.

 

 

 

 

 

Fuel tank empty?

Add fuel.

 

 

 

Engine stops by itself during normal

Fuel fi lter blocked?

Replace fuel fi lter.

 

 

Defective fuel pump?

Replace fuel pump.

operation.

 

 

 

Mechanical oil pressure shutdown sensor

Add oil. Replace low oil shutdown sensor if

 

stops the engine due to low oil?

necessary.

 

 

 

 

Fuel tank empty?

Replace fuel fi lter.

 

 

 

 

Fuel fi lter clogged?

Replace fuel fi lter.

 

 

 

 

Fuel tank venting is inadequate?

Ensure that tank is adequately vented.

 

 

 

 

Leaks at pipe unions?

Check threaded pipe unions tape and tighten

 

unions a required.

 

 

Low engine power, output and speed.

 

 

Speed control lever does not remain in

See engine manual for corrective action.

 

 

selected position?

 

 

 

 

 

 

Engine oil level too full?

Correct engine oil level.

 

 

 

 

 

Use No. 2-D diesel fuel only. Check the fuel

 

Injection pump wear?

injection pump element and delivery valve

 

 

assembly and replace as necessary.

 

 

 

page 30 — mvh406dsz/dsCPAs pLATE COMPACTOR • operation and parts manual — rev. #7 (02/28/14)

Page 30
Image 30
Multiquip MVH406DSZ, MVH406DSCPAS manual Trouble shooting engine, Troubleshooting engine

MVH406DSCPAS, MVH406DSZ specifications

The Multiquip MVH406DSZ and MVH406DSCPAS are powerful and robust vibratory plate compactors designed for various construction and civil engineering applications. These machines are engineered to provide exceptional performance, durability, and ease of use, making them suitable for both professional contractors and DIY enthusiasts.

The MVH406DSZ model features a reliable air-cooled, four-stroke gasoline engine, delivering optimal power and efficiency. With a weight of approximately 400 pounds, it offers excellent stability while compacting soil and asphalt materials. The machine operates at a frequency of around 5,600 vibrations per minute (VPM), ensuring rapid and effective compaction across various surfaces. The heavy-duty base plate measures 24 inches in width, providing optimal coverage for large areas and enhancing productivity on the job site.

One of the standout features of the MVH406DSZ is its innovative anti-vibration technology, designed to minimize operator fatigue during extended use. This feature allows for a more comfortable operating experience, as the vibration levels are significantly reduced, enabling operators to work longer without discomfort. Moreover, the ergonomic handle is adjustable and designed for ease of maneuverability, ensuring that operators can guide the compactor effortlessly around obstacles.

On the other hand, the MVH406DSCPAS model features similar core specifications but comes equipped with additional benefits, such as the compactor’s ability to use multiple attachments for various tasks. This versatility is a key characteristic that makes the MVH406DSCPAS model particularly advantageous for contractors looking to maximize their equipment's utility on diverse jobs.

Both models are designed with durability in mind, featuring high-quality materials that can withstand the rigors of frequent use. The plates are constructed from heavy-duty steel, ensuring longevity and resistance to wear and tear. Additionally, the compactors’ easy-access maintenance points facilitate quick oil changes and routine upkeep, prolonging the equipment's life and ensuring reliable performance.

In conclusion, the Multiquip MVH406DSZ and MVH406DSCPAS compactors are exceptional choices for anyone in need of reliable and efficient compaction equipment. With their powerful engines, advanced vibration-reducing technology, and rugged design, these models are well-suited for effective operation in both small and large-scale projects. Whether you require a machine for grading, trenching, or asphalt work, the MVH406 series delivers performance and durability that you can count on.