Kubota WSM STa-30, Workshop Manual

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1-S25
ST
α
-30 · ST
α
-35, WSM ENGINE
(B) Timing Gears, Camshaft and Fuel Camshaft
Injection Pump
1. Remove the stop solenoid (2) and hi-idling body (1).
2. Remove the engine stop lever (3) and stop solenoid guide (5).
3. Remove the cover (6).
4. Remove the fuel injection pump assembly (4).
IMPORTANT
■
• Before removing the injection pump assembly, be sure to
remove the stop solenoid, hi-idling body, engine stop lever
and stop solenoid guide (5).
(When reassembling)
• Before attaching the stop solenoid, hi-idling body and solenoid
guide, install the injection pump first into position.
• Replace the hi-idling body gasket with a new one.
• Before fitting the stop lever to the gear case, install the solenoid
guide first into position. Then attach the stop lever and use it to
see if it functions well.
• Before fitting the idling limiter in place, attach the solenoid guide
and the engine stop lever in their respective positions.
• When installing the stop solenoid, be careful to keep the O-ring
in place.
• Be sure to insert the push rod of the stop solenoid into the hole
at the center of the solenoid guide.
W1023686
Speed Control Plate
1. Disconnect the governor spring (3), (4).
2. Remove the speed control plate (1).
(When reassembling)
• Check that the speed control lever (2) positions low idle, after
assembling governor spring.
• Check that the speed control lever returns to the high idle position
rather than the low idle position, after moving the lever to the
maximum speed position.
• After assembling the engine, check the idling speed referring to
Adjusting Idling Speed. (950 to 1000 rpm)
W1024090
Tightening torque Hi-idling body
44.1 to 49.0 N·m
4.5 to 5.0 kgf·m
32.6 to 36.3 ft-lbs
(1) Hi-idling Body
(2) Stop Solenoid
(3) Stop Lever (4) Injection Pump Assembly
(5) Solenoid Guide
(6) Cover
(1) Speed Control Plate
(2) Speed Control Lever (3) Governor Spring 1
(4) Governor Spring 2
KiSC issued 11, 2006 A