DCA-600SSV —TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use Table 18 (Engine Troubleshooting) as a basic guideline for troubleshooting the engine. If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 18. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

No fuel?

Replenish fuel.

 

 

 

 

Air in the fuel system?

Bleed system.

 

 

 

 

Water in the fuel system?

Remove water from fuel tank.

 

 

 

 

Fuel pipe clogged?

Clean fuel pipe.

 

 

 

 

Fuel filter clogged?

Clean or change fuel filter.

 

 

 

 

Excessively high viscosity of

 

 

fuel or engine oil at low

Use the specified fuel or engine oil.

 

temperature?

 

 

 

 

 

Fuel with low cetane number?

Use the specified fuel.

 

 

 

 

Fuel leak due to loose injection

Tighten nut.

 

pipe retaining nut?

 

 

Engine does not start.

 

 

Incorrect injection timing?

Adjust.

 

 

 

 

 

Fuel cam shaft worn?

Replace.

 

 

 

 

Injection nozzle clogged?

Clean injection nozzle.

 

 

 

 

Injection pump malfunctioning?

Repair or replace.

 

 

 

 

Seizure of crankshaft, camshaft,

Repair or replace.

 

piston, cylinder liner or bearing?

 

 

 

 

 

 

Compression leak from

Replace head gasket, tighten cylinder head bolt, glow plug and

 

cylinder?

nozzle holder.

 

 

 

 

Improper valve timing?

Correct or replace timing gear.

 

 

 

 

Piston ring and liner worn?

Replace.

 

 

 

 

Excessive valve clearance?

Adjust.

 

 

 

 

Battery discharged?

Charge battery.

 

 

 

Starter does not run.

Starter malfunctioning?

Repair or replace.

 

 

Key switch malfunctioning?

Repair or replace.

 

 

 

 

 

Wiring disconnected?

Connect wiring.

 

 

 

PAGE 56 — DCA-600SSV — OPERATION AND PARTS MANUAL — REV. #0 (07/13/09)

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Multiquip operation manual DCA-600SSV -TROUBLESHOOTING Engine