LGMG SR0818D, Maintenance Manual, Page: 31 / 54

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
25
Fuel quality does not comply with
operating manual
Change the fuel
Injector defective Change
Injection line leaks Check injection line
Engine cable harness defective Check/replace
Speed changes are
possible and diagnostic
lamp lights up
Engine electronics has detected a
system
error and activates an
equivalent speed
Check error according to error code and
eliminate error if necessary
Engine becomes
excessively hot.
Temperature
warning
system activates
Vent line blocked Clean
Lube oil cooler defective Check/replace
Lube oil filter contaminated on the air
or lube oil side
Change
Lube oil level too high Check lube oil level, if necessary drain off.
Lubricating oil level too low Fill up lube oil
Injector defective Change
Coolant heat exchanger soiled Clean
Defective cooling water pump (torn or
loose V-belt)
Check whether torn or loose
Low coolant Fill up
Resistance in cooling system is too
high / flow volume too low
Check the cooling system
Fan / viscous coupling defective,
V-belt torn or loose
Check/replace/tension
Charge air line leaking Check charge air line
Charge air cooler soiled Check/clean
Air filter clogged / turbocharger
defective
Check/replace
Air filter maintenance switch /
maintenance indicator defective
Check/replace
Fan defective/V-rib belt torn or loose Check fan/V-belt, change if necessary
Exhaust gas backpressure too high Check
Throttle valve defective Check/replace
Coolant temperature transmitter Check/replace
Coolant thermostat defective Check/replace
Coolant cover defective Check/replace
Engine output is deficient
Lube oil level too high Check lube oil level, if necessary drain off.
Fuel suction temperature too high Check the system
Fuel quality does not comply with
operating manual
Change the fuel
Air filter clogged / turbocharger
defective
Check/replace