Kubota RTV1140CPX, Workshop Manual

Page: 326 / 379

HYDRAULIC SYSTEM
RTV1140CPX, WSM
7-S11
(3) Disassembling Control Valve Assembly
Hydraulic Control Valve Assembly
1. Loosen the plug (8) and draw out the spool (16) with other component parts from valve body (19).
2. Remove the internal snap ring (14) and detent stopper (12).
3. Loosen the detent bolt (7) from spool (16) and then separate the spool and the detent bolt.
4. Remove the plug (23) and take out the spring (21) and poppet (20).
5. Remove the check valve seat (27) assembly.
6. Remove the plug (38) and take out the shim (36), spring (35) poppet (34) and seat (33).
(When reassembling)
• Clean all parts with a suitable solvent, and dry with a lint-free cloth or air.
• Visually inspect all parts for signs of scoring of damage.
• Install the spool and spacer to the valve housing, using care not to damage the O-ring.
9Y1210293HYS0007US0
(1) O-ring
(2) Back Up Ring
(3) Collar
(4) Spring Holder
(5) Spring
(6) Spring Holder
(7) Detent Bolt
(8) Plug
(9) Detent Plug
(10) Spring
(11) Ball
(12) Detent Stopper
(13) O-ring
(14) Internal Snap Ring
(15) Dust Seal
(16) Spool
(17) Hex. Head Socket Screw
(18) Bracket
(19) Body
(20) Poppet
(21) Spring
(22) O-ring
(23) Plug
(24) Back Up Ring
(25) O-ring
(26) O-ring
(27) Check Valve Seat
(28) Ball
(29) Spring
(30) O-ring
(31) Plug
(32) Plug
(33) Seat
(34) Poppet
(35) Spring
(36) Shim
(37) O-ring
(38) Plug
Tightening torque
Relief valve plug
30 to 34 N·m
3.0 to 3.5 kgf·m
22 to 25 lbf·ft
Load check valve plug
20 to 24 N·m
2.0 to 2.5 kgf·m
15 to 18 lbf·ft
Check valve seat
35 to 40 N·m
3.5 to 4.0 kgf·m
26 to 28 lbf·ft
Check valve plug
25 to 29 N·m
2.5 to 3.0 kgf·m
18 to 21 lbf·ft
KiSC issued 05, 2014 A