User Manual

(2)Fuel sprays too much
(3 ) Injecti~g time is too late, late burning
is heavyp
(4 )Valve lash is incorrect or valve seal is
not good
(5) Air filter choked
6. Insufficient oil pressure
Trouble cause and its feature
1. Oil pressure gauge is in trouble or the
connecting pipe choked
2. Too little oil in the sump
3. Too thin oil
( 2 ) Adjust the fuel delivery amount of
the fuel injection pump
( 3) Adjust the fuel delivery advance
an-
gie
( 4 ) Adjust the valve lash and seal, elimi-
nate the fouIt
(5 ) Clean the filter element
Remedy
1. Replace the pressure gauge or dredge
the passage
2. Fill oil to the stipulated level
3. 'Inspect oil grade, check whether the
oil
be thinned out with fuel or oil temper-
ature too high, eliminate it
7. Checkand eliminate
8. Test the matching lash
4. Oil pump driving and driven gear worn 4. Replace driveing and driven gear
out
5. Strainer screen and oil filter element 5. Clean or replace
blocked
6. Pressure limiting valve and pressure 6. Inspect and replace
regulating valve spring broken
7. Oil passage choked or oil leaks
8. Lash between the bearings too large
7. Oil temperature too high
Trouble cause and its feature
1. Engine is over - loaded
2. oil is insufficient or overmuch
3. Piston ring leaks heavily
4. Oil cooler choked inside, dirt
· 56 ·
Remedy
1. Adjust the load
2. Add or reduce the oil according the
stipulation
3. Replace piston ring or cylinder liner
4. Check and clean