Servicing; Hydrostatic Transmission - Kubota GR1600EU Workshop Manual

GR1600EU, WSM

[4] SERVICING

(1) Hydrostatic Transmission

Charge Pump
1. Check the charge pump housing (1) and gerotor assembly (2)
for scratches and wear.
2. If scratch or worn, replace the charge pump assembly.
(1) Charge Pump Housing
Center Section
1. Check the surfaces (1) of center section for scratches or wear.
2. If deep scratch or excessive wear is found, replace the
hydrostatic transmission assembly.
(1) Surface
Check Valve
1. Check the ball check (5) and check valve (4) for scratches and
damage.
2. Check the springs (3), (6) for breakage and wear.
3. If anything unusual, replace the check valve assembly.
(1) Plug
(2) O-ring
(3) Spring
(4) Check Valve
By-pass Valve
1. Check the by-pass spool (3) and spring (4).
2. If problems are found, replace them.
(1) Plug
(2) O-ring
2-S38
TRANSAXLE
(2) Gerotor Assembly
9Y1210595TXS0058US0
9Y1210595TXS0059US0
(5) Ball Check
(6) Spring
(7) O-ring
(8) Plug
9Y1210595TXS0060US0
(3) By-pass Spool
(4) Spring
9Y1210595TXS0091US0
KiSC issued 11, 2013 A