TROUBLESHOOTING (ENGINE)

Table 10. Engine Troubleshooting (Continued)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Fuel filter clogged or dirty?

Clean or change.

 

 

 

 

Air cleaner clogged?

Clean or change.

 

 

 

 

Fuel leak due to loose injection pipe retaining

Tighten nut.

 

nut?

 

Engine revolution is not

 

 

Injection pump malfunctioning?

Repair or replace.

smooth

 

 

Incorrect nozzle opening pressure?

Adjust.

 

 

 

 

 

Injection nozzle stuck or clogged?

Repair or replace.

 

 

 

 

Fuel over flow pipe clogged?

Clean.

 

 

 

 

Governor malfunctioning?

Repair.

 

 

 

 

Excessive engine oil?

Reduce to the specified level.

Either white or

Piston ring and liner worn or stuck?

Repair or replace.

blue exhaust gas is

 

 

Incorrect injection timing?

Adjust.

observed.

 

 

 

Deficient compression?

Adjust top clearance.

 

 

 

 

Overload?

Lessen the load.

 

 

 

Either black or dark

Low grade fuel used?

Use the specified fuel.

gray exhaust gas is

Fuel filter clogged?

Clean or change.

observed.

 

 

Air cleaner clogged?

Clean or change.

 

 

 

 

 

Deficient nozzle injection?

Repair or replace the nozzle.

 

 

 

 

Incorrect injection timing?

Adjust.

 

 

 

 

Engine's moving parts seem to be seizing?

Repair or replace.

Deficient output.

Uneven fuel injection?

Repair or replace the injection pump.

 

 

Deficient nozzle injection?

Repair or replace the nozzle.

 

 

 

 

 

Compression leak?

Replace head gasket, tighten cylinder head

 

bolt, glow plug and nozzle holder.

 

 

 

 

 

PAGE 58 — DA7000 SERIES GENERATORS• OPERATION AND PARTS MANUAL — REV. #5 (01/20/11)

Page 58
Image 58
Multiquip DA7000WGH, DA700SSW manual Nut?, Bolt, glow plug and nozzle holder

DA700SSW, DA7000WGH specifications

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