Technical data

OPERATION&MAINTENANCE MANUAL
45
5、 lube oil insufficiency or no pressure
1 oil lever in oil sump too low Add oil up to mark line on dip sticks
2 serious leakage from oil pipelines Eliminate leakage
3 extract oil filter, oil filter and pipe
blocked
Clean, or replace filter core
4 oil gauges damaged or gauge pipe
blocked
Repair or replace it
5 oil is too dilute use the eligible oil
6 oil pump gears seriously worn off, with
excessive clearance
Adjust the clearance or replace them
7 pressure relief valves of oil filter cease
to function
Check and repair or replace it
8 main bearings connecting-rod bearings
and camshaft bushing seriously worn off
with excessive clearance
Repair or replace them
6overheating of engine
cause remedies
1 temperature of cooling water too
high
(1)insufficient cooling water or vapor
lock in water pipes
(1)fill the rank to make cooling water
level higher than the center line of
water pump
(2)bad working state of water pumps (2)check water pump clearance and
tightness of belts, eliminate leakage
(3)water scale in cooling systems too
thick
(3)remove it
2 oil temperature too high
(1)insufficient or excessive oil (1)check whether the oil level is
between the dip stick scale lines