Operation Manual of WEICHAI GENSET
Caution! Do not blow through the filter
paper, clean the filter paper with water
or oil, or slap or knock the filter
element hard.
5) Check/clean the crankcase
breather pipe
Check and clean the crankcase
breather pipe, check the pipe for any
blockage, and clean it thoroughly.
6) Check the status of cooling fan
Check for cracks, loose rivets, bent or
loose blades, etc. Tighten the fastening
nuts, and replace them when
necessary.
Technical maintenance after
engine runs for 1000 h.
3) Check and replace the hose
Check hoses and hose joints of oil filter,
fuel filter and cooling system for
leakage or corrosion, and replace them
when necessary.
4) Tighten the mounting bolts
Check the torque of connecting bolts,
tighten loose bolts, check rubber parts
for corrosion, aging and damage, and
supplement the lost bolts and replace
the damaged rubber parts.
5) Check the heat exchanger zinc plug,
and replace it if it is badly corroded.
6) Clean the carbon deposit in the
silencer of exhaust pipe.
working for 500 h
Technical maintenance after
In addition to the work items of
"Technical maintenance after working
for 250 h", the following work shall be
performed:
1) Clean the diesel engine with steam
Before cleaning, cover all openings and
electrical equipment on the diesel
engine to prevent damage caused by
water ingress. Steam cleaning is the
most effective method to clean dirty
diesel engine. If steam is not available,
the diesel engine can be cleaned with
solution.
2) Adjust and check valves and
injectors
In most cases, after the diesel engine is
calibrated for the first time after
running for 500 h, the wear of its intake
and exhaust valves and fuel injectors is
very slight. Therefore, after this
calibration, the valves and fuel
injectors will not be calibrated until the
working for 1000 h
In addition to the work items of
"Technical maintenance after working
for 500 h", the following work shall be
performed:
1) Replace the air filter element.
2) Remove the limescale from cooling
system.
3) Clean the fuel tank and fuel pipings.
4) According to the technical status
of the engine, decide whether it can be
used
continuously
without
maintenance. Remove the relevant
parts of diesel engine when necessary.
Check for and measure the wear of
piston ring, cylinder liner, connecting
rod bearing bush and main bearing
bush. Remove carbon deposits in
cylinder head, piston, piston ring and
cylinder liner.
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