Kubota BX24 Workshop Manual page 341

BX24, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
Disassembling Gear Box (RCK54-23BX, RCK60B-23BX)
1. Unscrew the drain plug (19), and drain the gear box oil.
2. Remove the center pulley (23) with a puller, and remove the
feather key (22) on the bevel gear shaft.
3. Remove the gear box caps (7), (8).
4. Remove the oil seal (13), internal snap ring (14) and shim (15).
5. Tap out the pinion shaft (17) with the ball bearing (16), and
remove the bevel gear (1).
6. Remove the internal snap ring (6), shims (5) and ball bearing (4).
7. Remove the external snap ring (9), and draw out the bevel gear
shaft (21).
8. Remove the bevel gear (10), ball bearing (11), shim (12) and oil
seal (20).
(When reassembling)
• Replace the oil seals (13), (20) and gear box caps (7), (8) with
new ones.
• Check the backlash and turning torque.
If not proper, adjust with the shims (5), (12), (15).
(See page S-11, 12)
(1) 19T Bevel Gear (RCK54-23BX)
18T Bevel Gear (RCK60B-23BX)
(2) Breather
(3) Gear Box
(4) Ball Bearing
(5) Shim
(6) Internal Snap Ring
(7) Gear Box Cap
(8) Gear Box Cap
(9) External Snap Ring
(10) 16T Bevel Gear (RCK54-23BX)
17T Bevel Gear (RCK60B-23BX)
Disassembling Gear Box (RCK54P-23BX)
1. Unscrew the drain plug (6), and drain the gear box oil.
2. Remove the center pulley (20) with a puller.
3. Remove the gear box.
4. Open the gear box.
5. Remove the input shaft (3) and the blade shaft (18).
6. Disassembling the input shaft (3) and the blade shaft (18).
(When reassembling)
• Replace the oil seals (1), (10), (16) and gear box caps with new
ones.
• Check the backlash and turning torque.
If not proper, adjust with the shims.
• After cleaning dirty and gear box oil and the gear box surface,
apply the liquid gasket.
Tightening torque Gear box screw
(1) Oil Seal
(2) Ball Bearing
(3) Input Shaft
(4) External Cir Clip
(5) Shim
(6) Drain Plug
(7) Bevel Gear
(8) Shim
(9) Ball Bearing
(10) Oil Seal
7-S22
ROTARY MOWER
(11) Ball Bearing
(12) Shim
(13) Oil Seal
(14) Internal Snap Ring
(15) Shim
(16) Ball Bearing
(17) Pinion Shaft
(18) Oil Filler Plug
(19) Drain Plug
(20) Oil Seal
(21) Bevel Gear Shaft
(22) Feather Key
(23) Center Pulley
W1018143
23.5 to 27.4 N·m
2.4 to 2.8 kgf·m
17.4 to 20.2 ft-lbs
(11) External Cir Clip
(12) Bevel Gear Case
(13) Bevel Gear
(14) Ball Bearing
(15) Shim
(16) Oil Seal
(17) External Cir Clip
(18) Blade Shaft
(19) Feather Key
(20) Center Pulley
W1015954
KiSC issued 08, 2019 A