Kubota M9540, Workshop Manual

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8-S31
M8540, M9540, WSM HYDRAULIC SYSTEM
Installing Piston Seal
1. Place the slide jig (2) on the piston (3).
2. Install the piston seal (1) to the piston using the slide jig. (Refer
to “SPECIAL TOOLS” section)
3. Compress the piston seal to the correct size by installing the
piston into the correcting jig (5).
NOTE
Q
• Do not turn (roll) the piston seal as you install it.
W1052958
[6] RELIEF VALVE
Relief Valve
1. Remove the relief valve assembly (1).
2. Secure the relief valve assembly (1) in a vise.
3. Loosen the lock nut (10).
4. Remove the adjuster (9), and remove the spring (8) and then pilot
valve (7).
5. Remove the valve seat (2), and draw out the valve seat (5), the
spring (4) and the main valve (3).
(When reassembling)
• Take care not to damage the O-ring.
IMPORTANT
Q
• After disassembling and assembling the relief valve, be sure
to adjust the relief valve setting pressure.
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(1) Piston Seal
(2) Slide Jig
(3) Piston (4) Bearing Ring
(5) Correcting Jig
Tightening torque Relief valve
34.3 to 39.2 N·m
3.5 to 4.0 kgf·m
25.3 to 28.9 lbf·ft
(1) Relief Valve
(2) Valve Seat
(3) Main Valve
(4) Spring
(5) Valve Seat (6) Valve Body
(7) Pilot Valve
(8) Spring
(9) Adjuster
(10) Lock Nut
KiSC issued 09, 2008 A