Gear Case Cover; Relief Valve; Idle Gear And Camshaft - Kubota KX080-3 Workshop Manual

WSM KX080-3 Service
(7) Gear Case and Timing Gears

Gear Case Cover

1. Remove the gear case cover.
(When reassembling)
• Confirm that the liquid gasket coating surface is free of water,
dust and oil in order to maintain sealing effect.
• Carefully apply the adhesive evenly. (Refer to the figure on the
left.)
NOTE
• When mounting the adhesive-applied parts, take care to fit
them to the mating parts.
• Assemble the adhesive-applied parts within ten minutes.
• Apply a liquid gasket (Three Bond 1217D) to the gear case
cover.
Gear case cover mounting
Tightening torque
screw
(1) Liquid Gasket

Relief Valve

1. Remove the relief valve retaining screw (1).
2. Remove the relief valve (2), the spring (3) and the packing (4).
Relief valve retaining
Tightening torque
screw
(1) Relief Valve Retaining Screw
(2) Relief Valve

Idle Gear and Camshaft

1. Remove three set screws of the idle gear and draw out the idle
gear 1, 2.
2. Remove two set screws of the camshaft stopper and draw out
the camshaft.
(When reassembling)
• Set the crankshaft at the top dead center of No. 1 and 4 cylinder
and the camshaft key to the top position and align the marks of
idle gear 1 (3) and idle gear 2 (2) to assemble them. (Refer to
the figure on the left.)
• Mount the injection pump gear (1) after installing the gear case.
Camshaft set screw
Tightening torque
Idle gear mounting screw
(1) Injection Pump Gear
(2) Idle Gear 2
(3) Idle Gear 1
III-S-134
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.3 ft-lbs
W1189218
68.6 to 78.4 N·m
7.0 to 8.0 kgf·m
50.6 to 57.9 ft-lbs
(3) Spring
(4) Packing
W1081251
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.3 ft-lbs
23.5 to 27.5 N·m
2.4 to 2.8 kgf·m
17.4 to 20.3 ft-lbs
(4) Cam Gear
(5) Crank Gear
W1189797
Engine