Kubota GR1600EU Workshop Manual page 172

GR1600EU, WSM
Center Section
1. Remove the center section mounting hex. socket head screws.
2. Tap the center section (1) with soft hammer and separate the
center section (1) from the HST housing (2).
(When reassembling)
• Cover the splines of each shaft with thin tape to protect the
sealing lip of the oil seals.
• Place a new gasket on the HST housing.
NOTE
• Be careful not to damage the surface of cylinder blocks,
pistons and center section.
Center section mounting
Tightening torque
hex. socket head screw
(1) Center Section
By-pass Valve
1. Remove the plug (4) and draw out the by-pass spool (2) and
spring (1).
(When reassembling)
• Be careful not to damage the O-ring (3) on the plug (4).
Tightening torque By-pass valve plug
(1) Spring
(2) By-pass Spool
Check Valve
1. Remove the plugs (1), (8).
2. Draw out the springs (3), (6).
3. Draw out the check valve (4) and ball check (5).
(When reassembling)
• Be careful not to damage the O-rings (2), (7) on the plugs (1),
(8).
Tightening torque Check valve plug
(1) Plug
(2) O-ring
(3) Spring
(4) Check Valve
2-S22
TRANSAXLE
18 to 20 N·m
1.8 to 2.1 kgf·m
13 to 15 lbf·ft
(2) HST Housing
9Y1210595TXS0083US0
15 N·m
1.5 kgf·m
11 lbf·ft
(3) O-ring
(4) Plug
9Y1210595TXS0084US0
30 N·m
3.1 kgf·m
22 lbf·ft
(5) Ball Check
(6) Spring
(7) O-ring
(8) Plug
9Y1210595TXS0085US0
KiSC issued 11, 2013 A