Kubota GR1600EU Workshop Manual page 189

GR1600EU, WSM
Cylinder Block Assembly
1. Check the cylinder blocks (4) and pistons (3) for scratches and
wear.
2. If you find, replace the cylinder block assembly.
3. Check that the piston (3) and spring (2) are in each cylinder
bore.
4. Check the pistons for their free movement in the cylinder block
bores.
5. If the piston or the cylinder block is scored, replace the cylinder
block assembly.
6. Check the polished face (1) of cylinder block for scoring.
7. If scored, replace the cylinder block assembly.
IMPORTANT
• Do not interchange pistons between pump and motor
cylinder block. Pistons and cylinder blocks are matched.
(1) Polished Face
(2) Spring
Thrust Ball Bearing
1. Check the thrust ball bearing (1) for scratches and excessive
wear.
2. If the thrust ball bearing (1) is worn, replace it.
(1) Thrust Ball Bearing
Pump Shaft
1. Check the seal surface (1), the bearing surface (2) and the ball
bearing (3).
2. If the shaft is rough or grooved, replace it.
3. If the ball bearing is worn, replace it.
(1) Seal Surface
(2) Bearing Surface
Bushing and Oil Seal
1. Check the oil seals (1) for damage.
2. Check the bushings (2) for wear.
3. If the oil seals and bushings are worn or damaged, replace
them.
(1) Oil Seal
2-S39
TRANSAXLE
(3) Piston
(4) Cylinder Block
9Y1210595TXS0062US0
9Y1210595TXS0063US0
(3) Ball Bearing
9Y1210595TXS0064US0
(2) Bushing
9Y1210595TXS0065US0
KiSC issued 11, 2013 A