User Manual

(4) Fuel inlet and outlet· connector
screw· is loose
5. Fuel atomized not well
( 1) Needle valve is distorted or worn
out
(2) Bad seal of the needle valve
( 4 ) Needle valve blocked
12. Governor malfunction
Trouble cause and its feature
1. Unsteady speed
. (1) Too large of camshaft axile lash
(2) Cylinders fuel supply uneven to
much
(3 ) Fly - weight assembly installed
improperly, too large stagger of
fly hammer bracket shaft
(4) Fuel cock worn out or bad seal
2. Too high idling speed
( 1) Operating handle lever no rea -
ches its positon
(2) Tooth rod is not flexible
3. Speed floating
( 1) Speed adjusted spring distorted
(2) Fly hammer assembly loosen
(3)Too large friction resistance
inside the governor
(4) Too Large axile lash of the
injection pump camshaft
4. Overrunning of the engine
( 1) Toothe rod
is not flexible
(2) Lubricated not well,shaft sleeve
of the governor burned out.
1':\ ) I=IV hammer assembly loosened
~ 4 ) nigh speed limit screw loo~ened
( 4 ) Tighten, replace parts
5.
(1) Replace
(2) Repair or replace
( 4 ) Clean or replace
Remedy
1.
( 1)
Readjust
(2) Readjust
(3 ) Recheck and assemble
(4 ) Repair or replace ~
2.
(1 ) Inspect and adjust
(2) Readjust or repair
3.
(1 ) Replace the speed adjusted sping
Check and tighten
(3 ) Repair and eliminate
(4 ) Readjust
4.
( 1) Readjust and repair
(2) Check and repair
(3 ) check and. tighten
(4 ) Readjust
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