7-S19
BX24, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
ROTARY MOWER
5. CHECKING, DISASSEMBLING AND SERVICING
[1] CHECKING AND ADJUSTING
Checking Mower Blade
1. Check the cutting edge of mower blade.
2. Sharpen the cutting edges, if the mower blades are as shown in
figure (2).
3. Replace the mower blades, if they are as shown in figure (3).
• Never forget to set the dust cover, cup washer(s) and lock
washer (RCK54-23BX, RCK60B-23BX), when reassembling
the mower blades. (See page 7-S20.)
• To sharpen the mower blades by yourself, clamp the mower
blade securely in a vise and use a large mill file along the
original bevel.
• To balance the mower blade, place a small rod through the
center hole and check to see if the blade balance evenly.
File heavy side of the blade until it balance out even.
W1011041
Checking Mower Belt
1. Check to see the mower belt.
2. Replace the mower belt with a new one, if there is found surface
split at more than 3 positions.
(When replacing mower belt)
1. Dismount the mower from the tractor.
2. Remove the left and right hand belt cover from the mower deck.
3. Clean around the gear box.
4. Remove the right hand bracket (3) which mounts the gear box to
the mower deck.
5. Remove the mower belt (2) from the tension pulley (1). Slip the
mower belt over the top of the gear box.
6. To install a new belt, reverse the above procedure.
• After setting the gear box bracket mounting screws on the
deck without tightening, then mount the other screws on the
gear box. And finally tighten them.
W1011180
(1) New Blade
(2) Worn Blade
(3) Cracked Blade
Tightening torque
Gear box bracket RH
mounting bolt and nut
77.4 to 90.2 N·m
7.9 to 9.2 kgf·m
57.1 to 66.5 ft-lbs
Gear box bracket RH
mounting screw
(for aluminum gear case)
39.2 to 44.1 N·m
4.0 to 4.5 kgf·m
28.9 to 32.5 ft-lbs
(1) Tension Pulley
(2) Mower Belt
(3) Gear Box Bracket (Right)
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