Kubota EA330-E4 Series - Page 96

ENGINE
EA330-E4, WSM
1-S31
Injection Pump
1. Remove the injection pump mounting screws.
2. Move the speed control lever (3) and align the control rack pin
(1) and notch (2) on the gear case to remove the injection pump.
NOTE
• Record the number of injection timing adjusting shims
used to adjust the injection timing.
(When reassembling)
• Apply a thin coat of liquid gasket (Three bond 1215 or
equivalent) to the shim.
IMPORTANT
• Insert the same number of shims as used before, install the
pump and then check the injection timing.
• Correctly fit the control rack pin (1) into the groove of the
governor lever (4).
9Y1211018ENS0040US0
Oil Pump Cover and Oil Pump (If necessary)
1. Remove the oil pump cover.
2. Remove the gear case.
3. Push out the inner rotor shaft from inside of the gear case.
(When reassembling)
• Apply engine oil in each section (gear case oil pump body, inner
rotor shaft, inner rotor, outer rotor.).
NOTE
• After installing the gear case to the cylinder block, be sure
to fit the inner rotor shaft into the camshaft end groove.
9Y1211018ENS0041US0
Gear Case
1. Remove the gear case.
(When reassembling)
• Dismount the inner rotor shaft of oil pump beforehand.
• Replace the O-ring (1) of the oil gallery connection with a new
one.
• Coat the gear case gasket with grease, and take case to avoid
any misalignment of the new O-ring or screw holes.
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Tightening torque
Injection pump mounting
screw
9.81 to 11.2 N·m
1.00 to 1.15 kgf·m
7.24 to 8.31 lbf·ft
(1) Control Rack Pin
(2) Notch
(3) Speed Control Lever
(4) Governor Lever
Tightening torque Gear case mounting screw
9.81 to 11.2 N·m
1.00 to 1.15 kgf·m
7.24 to 8.31 lbf·ft
(1) O-ring
KiSC issued 05, 2015 A