LGMG SR0818D, Maintenance Manual, Page: 35 / 54

Maintenance Manual of Rough Terrain
Mobile Elevating Work Platform
29
will cause poor lubrication. Replace the
filter element.
Check whether the clearance of bearings
is within the factory specifications.
Check the fuel injection timing.
Adjust the timing.
Incorrect valve clearance
When the engine cools down, adjust the
valve clearance appropriately.
Dirty air cleaner
Clean the filter element once every 100
hours of operation.
Wrong fuel injection pressure Check the injection pressure.
Worn injection pump
Do not use inferior fuel, because it will
cause wear of the pump. Please use No.
2-D diesel only.
Check the fuel injection pump filter
element and fuel outlet valve assembly
and replace them as needed.
When engine suddenly
stops
Insufficient fuel
Check the fuel tank. Add the fuel again if
necessary.
In addition, check the fuel system for air or
leakage.
Poor nozzle
If necessary, replace the nozzle with a
new one.
Lack of lubricating oil or poor
lubrication,
resulting in overheating moving parts
Check the amount of engine oil with an oil
level gauge.
Check the lubricating oil system. After
every 2 oil changes, be sure to replace
the oil filter element.
Check whether the clearance of engine
bearings is within the factory
specifications.
The color of exhaust gas
is abnormal
Damaged fuel regulating device Contact the service personnel of LGMG.
Inferior fuel
Choose quality fuel.
Please use No. 2-D diesel only.
Damaged nozzle
If necessary, replace the nozzle with a
new one.
Insufficient combustion
There may be insufficient vaporization,
improper injection timing, etc., which are
caused by faulty fuel injection system,
improperly adjusted valve, compression
leakage, improper compression, etc.
Check the cause of the failure.
When engine overheats
Insufficient engine oil
Check the oil level. Replenish the oil if
necessary.
Damaged or elongated fan belt Replace the belt or adjust the belt tension.