Operation Manual

BX25. RCK54(P)-23BX. RCK60B-23BX. LA240. BT601. WSM
ROTARY MOWER
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).
3GMAAACMP013B
(See page S-11, 12)
(1) 19T Bevel Gear (RCK54-23BX)
(11) Ball Bearing
1ST Bevel Gear (RCK60B-23BX) (12) Shim
(2) Breather
(13) Oil Seal
(3) Gear Box
(14) Intemal Snap Ring
(4) Ball Bearing (15) Shim
(5) Shim
(16) Ball Bearing
(6) Internal Snap Ring
(17) Pinion Shaft
(7) Gear Box Cap
(is) Oil Filler Plug
(S) Gear Box Cap
(19) Drain Plug
(9) External Snap Ring
(20) Oil Seal
(10) 16T Bevel Gear (RCK54-23BX)
(21) Bevel Gear Shaft
17T Bevel Gear (RCK60B-23BX)
(22) Feather Key
(23) Center Pulley
W101S143
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.
23.5 to 27.4 N'm
Tightening torque
Gear box screw
2.4 to
2.S kgf-m
17.4
to 20.2 ft-Ibs
3GZAAADMP013A
(1) Oil Seal
(2) Ball Bearing
(3) Input Shaft
(4) External Cir Clip
(5) Shim
(6) Drain Plug
(7) Bevel Gear
(S) Shim
(9) Ball Bearing
(10) Oil Seal
(11) External Cir Clip
(12) Bevel Gear Case
(13) Bevel Gear
(14) Ball Bearing
(15) Shim
(16) Oil Seal
(17) External Cir Clip
(is) Blade Shaft
(19) Feather Key
(20) Center Pulley
W1015954
7-S22