wsm BX1800 Workshop Manual page 185

BX1800 · BX2200, WSM
Charge Relief Valve
1. Remove the plug (3) and draw out the spring (2) and charge relief
cone (1).
(When reassembling)
• Take care not to damage the O-ring on the plug.
NOTE
• If the shims are placed at the bottom of the relief valve plug
bore, place them as they are.
Tightening torque Charge relief valve plug
(1) Charge Relief Cone
(2) Spring
Check and High Pressure Relief Valve
1. Remove the plug (1) and draw out the spring (2) and check and
high pressure relief valve assembly (3), (4).
(When reassembling)
• Take care not to damage the O-ring on the plug.
Check and high pressure
Tightening torque
relief valve plug
(1) Plug
(2) Spring
(3) Check and High Pressure Relief
Valve Assembly (Forward)
Cylinder Block Assembly and Thrust Ball Bearing
1. Remove the cylinder block assembly (pump side) (1).
2. Remove the cylinder block assembly (motor side) (2) with the
motor shaft (3).
3. Remove the thrust ball bearing (4).
(When reassembling)
• Apply clean transmission oil to thrust ball bearing, cylinder block
and piston.
NOTE
• Take care not to damage the surface of cylinder blocks and
pistons.
(1) Cylinder Block Assembly
(Pump Side)
(2) Cylinder Block Assembly
(Motor Side)
Swashplate and Pump Shaft
1. Remove the swashplate (2) and thrust roller bearing (1) from the
HST housing.
2. Remove the internal snap ring (6) and tap out the pump shaft (3),
spacer (4) and oil seal (5).
(When reassembling)
• Apply clean transmission oil to the thrust roller bearing.
(1) Thrust Roller Bearing
(2) Swashplate
(3) Pump Shaft
2-S20
TRANSAXLE
14.22 to 23.54 N·m
1.45 to 2.40 kgf·m
10.49 to 17.36 ft-lbs
(3) Plug
W1022241
40.70 to 94.93 N·m
4.15 to 9.68 kgf·m
30.02 to 70.02 ft-lbs
(4) Check and High Pressure Relief
Valve Assembly (Reverse)
W1022380
(3) Motor Shaft
(4) Thrust Ball Bearing
W1022614
(4) Spacer
(5) Oil Seal
(6) Internal Snap Ring
W1022771
KiSC issued 07, 2006 A