Whisper Power M-SC6, Руководство пользователя

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TROUBLE SHOOTING
30
December 2010 / M-SC6/8/10 / EN
PROBLEM CAUSE SOLUTION
•
To thick engine lubricating oil. Change oil for a lower viscosity.
Starter is turning engine
smoothly, but engine fails to
start •
Out of fuel or faulty fuel, water in the
fuel.
Fill up with fuel or replace with better quality.
•
Fuel solenoid is not opening.
Check wire connections and circuitry to
solenoid. (Refer to DC wiring diagram)
•
Fuel lift pump is not working.
•
Fuel filter is blocked.
•
Air in fuel lines.
Check fuel filter and fuel lift pump: clean or
replace if necessary.
Bleed air from fuel system (refer to
maintenance section).
•
Wrong valve clearance.
Adjust valve clearance,
•
Low compression because of dirty
valves.
Clean valves. Take off the injection bent and
inspect the outlet port. When little rust in the
port clean the valve by taking off the valve
spring and rotate until rust is removed. When
the outlet port is strongly affected by rust, the
exhaust system is not properly installed (refer
to paragraph 5.4.3). Contact WhisperPower
service department for advice.
•
Blocked injector.
Have the injector tested and cleaned if
necessary.
•
Loss of compression by wear out or
damage
Repair by WhisperPower service
Engine runs irregularly. •
Unsuitable contaminated fuel
•
Lack of fuel.
Fill up with fuel or replace by better quality.
•
Choked fuel filter.
Check fuel filter and fuel lift pump: clean or
replace if necessary.
•
Faulty fuel lift pump.
Check and repair
•
Choked air filter.
•
Lack of air.
Check the air intake
•
Choked exhaust system, exhaust
blocked, rubber exhaust hose kinked.
Check the exhaust hose
•
Air in the fuel pipes
Bleed air from fuel system (refer to
maintenance section).
•
Faulty electronic governor (only if
applied)
Replace faulty parts.
•
Blocked injector.
Have the injector tested and cleaned if
necessary.
•
Wrong valve clearance.
Adjust valve clearance.
•
Temporarily hunting (this will disappear when engine has run in).
•
Ongoing hunting caused by faulty
electronic governor (only if applied)
Replace faulty parts.
Engine speed drops •
Faulty electronic governor (only if
applied)
Replace faulty parts.
•
Too much oil.
Drain oil to proper level.
•
Lack of fuel.
Check fuel supply system: fuel pump and filter.
•
Lack of intake air.
Check air intake.
•
Choked exhaust system, exhaust
blocked, rubber exhaust hose kinked.
Check exhaust system.
•
Generator overloaded
Reduce the electrical load (switch off some
consumers).
•
Generator over energised.
Check that the proper capacitor type is
installed and that it is connected correctly.
•
Defective generator (windings,
bearings or other)
Generator must be sent to manufacturer for
repair of damaged bearing or winding.
•
Damaged engine
Repair by WhisperPower service
Engine does not stop on
command
•
Fuel solenoid is not switching off
•
Loss of control
Faulty Digital Diesel Control unit. Stop the
engine manually by the stop handle.
Check wire connections to stop solenoid.
Check solenoid valve function. Replace if
necessary