Kubota B1830 Workshop Manual page 274

B1830,B2230,B2530,B3030, WSM
HST Housing Case Cylinder Blocks
1. Remove the cylinder blocks (1) and (4) from the pump shaft (2)
and the motor shaft (3).
2. Remove the cir-clip (5) and spring (6) from the cylinder block.
(When reassembling)
• Install the poppet (8) to the center section, not to drop it.
• Install the spring (7) to the HST housing side.
(1) Cylinder Block (Pump)
(2) Pump Shaft
(3) Motor Shaft
(4) Cylinder Block (Motor)
3-S50
TRANSMISSION
(5) Cir-clip
(6) Spring
(7) Spring
(8) Poppet
9Y1210003TRS0064US0
KiSC issued 05, 2012 A