Multiquip operation manual DCA-40SSAI -TROUBLESHOOTING Engine, Engine Troubleshooting Part

Models: DCA-40SSAI

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DCA-40SSAI —TROUBLESHOOTING (ENGINE)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, use the tables shown for

diagnosis based on the Engine Troubleshooting (Table 1 7). If the problem cannot be remedied, consult our company's business office or service plant.

TABLE 17. ENGINE TROUBLESHOOTING (PART 1)

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

Use the specified fuel or engine oil.

 

of fuel or engine oil at low

 

temperature?

 

 

 

 

 

Fuel with low cetane

Use the specified fuel.

 

number?

 

 

 

 

 

 

Fuel leak due to loose

Tighten nut.

 

injection pipe retaining nut?

 

 

 

 

 

Engine does not start.

Incorrect injection timing?

Adjust.

 

 

 

 

Fuel cam shaft worn?

Replace.

 

 

 

 

Injection nozzle clogged?

Clean injection nozzle.

 

 

 

 

Injection pump

Repair or replace.

 

malfunctioning?

 

 

 

 

 

 

Seizure of crankshaft,

Repair or replace.

 

camshaft, piston, cylinder

 

liner or bearing?

 

 

 

 

 

Compression leak from

Replace head gasket, tighten cylinder head bolt, glow

 

cylinder?

plug and nozzle holder.

 

 

 

 

Improper valve timing?

Correct or replace timing gear.

 

 

 

 

Piston ring and liner worn?

Replace.

 

 

 

 

Excessive valve clearance?

Adjust.

 

 

 

PAGE 58 — DCA-40SSAI — PARTS AND OPERATION MANUAL — FINAL COPY (07/09/01)

Page 58
Image 58
Multiquip operation manual DCA-40SSAI -TROUBLESHOOTING Engine, Engine Troubleshooting Part