User Manual

(5 ) Cylinder blows by
( 6) Uneven fuel delivery to each
cylinder
(DUneven fuel delivery
to each cylin-
der
in injection pump
(2)lnjector sprays not well or the ma-
te be choked
@The plunger
of the injection pump-
worn out or the spring broken
3. Output is insufficient or drops suddenly
Trouble cause and its feature
'j
( 1) Air filter .choked
(2) Valve spring or push rod bro-
ken
(3 ) Valve lash is inCorrect
( 4) Compress pressure is insuffi-
cient
(5) Fuel delivery advance angle is
incorrect
(6 ) Air trapped in the fuel system
or
thd system is choked
(7) Fueldelivery is insufficient
(8) Injector spray not well
(9) Governotr works abnormally
( 10) Engine overbeated
( 11 )Too much carbon deposited
inside the engine
( 12) Exhaust manifold, not expe-
dite
4. Abnormal noise during engine operation
Trouble cause and its featre
( 1) Injecting time is too early to
(4 ) Check and adjust the governor
(5 ) Check the tightening torque of the
cylinder head bolt and the seal
of
thecylinder head gasket
( 6) (DCheck and adjust
(2)check the spray quality of the in-
jector, replace the mate if necessa-
ry
@Check and replace
Remedy
1. Clean or replace filter element
2. Check and replace
3. C~eck and adjust
4. Handle according to 1.2
5. Check and adju~t
6. Handle a ccoyding to (1) ,(2) ,(3)
in 1.1
7. Check the plunger of the injection
pump and fuel outlet valve
.~." Check,clean and adjust the pressure
9. Test and repair the governor
10. Test and repair thd cooling sys -
tem ,wipe off the scale
11. Clean off the carbon deposit
12. Find out the fault and eliminate it.
Remedy
1. Adjust the fuel delivery advance
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