Kubota M6800S Workshop Manual page 119

M6800 · M6800S · M8200 · M9000, WSM
Governor Housing Assembly
1. Remove the injection pump unit from the engine. (See page 1-
S32.)
2. Remove the governor lubricating pipe (1).
3. Remove the stop solenoid (2).
4. Detach the sight cover (3) from the injection pump unit.
5. Unhook the start spring (4) from the rack pin (5) of injection pump
assembly.
6. Remove the anti-rotation nut (6).
NOTE
• Be careful not to drop the nut inside.
7. Slide off the control rod (7) from the rack pin of injection pump
assembly.
8. For convenient sake, temporarily hook the start spring on the
rack pin hole of the control rod.
9. Remove the governor housing mounting screws.
10.Detach the governor housing assembly (8) from the injection
pump unit.
NOTE
• The injection pump unit is lubricated with engine oil. So,
prepare and oil pan for spilt oil.
(When reassembling)
• When reassembling the inside parts, put the oil on each inside
part slightly.
• After sliding on the governor connecting rod to the rack pin,
tighten the nut with the specified torque with using the jig for
keeping the governor connecting rod horizontal.
Replacing Injection Pump Assembly.)
• After tightening the nut, hook the start spring on the rack pin.
• Check the movement of control rack of injection pump assembly
by the stop lever. If not smooth, check the tightening torque of
the control rod nut.
NOTE
• When installing the governor housing assembly to the
injection pump unit, be careful not to damage O-ring (9).
• When linking the governor connecting rod to the rack pin of
injection pump, use the jig for keeping the governor
connecting rod horizontal. Otherwise the control rack may
be stuck, and causes to be difficult to start the engine or
hunting of governor. (See the Replacing Injection Pump
Assembly.)
Governor housing
mounting screw
Tightening torque
Anti-rotation nut
(1) Governor Lubricating Pipe
(2) Stop Solenoid
(3) Sight Cover
(4) Start Spring
(5) Rack Pin
1-S34
ENGINE
(See the
9.8 to 11.3 N·m
1.00 to 1.15 kgf·m
7.23 to 8.32 ft-lbs
2.8 to 4.0 N·m
0.29 to 0.41 kgf·m
2.1 to 3.0 ft-lbs
(6) Anti-rotation Nut
(7) Control Rod
(8) Governor Housing Assembly
(9) O-ring
W1137126
KiSC issued 03, 2008 A