7-S18
BX24, RCK54(P)-23BX, RCK60B-23BX, LA240, BT601, WSM
ROTARY MOWER
4. TIGHTENING TORQUES
Tightening torques of screws, bolts and nuts on the table below are especially specified.
(For general use screws, bolts and nuts: See page 7-S3.)
[RCK54-23BX, RCK60B-23BX]
W1012736
[RCK54P-23BX]
W1013579
Item N·m kgf·m ft-lbs
Gear box mounting screw and nut 77.4 to 90.2 7.9 to 9.2 57.1 to 66.5
Mower blade screw 102.9 to 117.7 10.5 to 12.0 75.9 to 86.8
Center pulley holder bolt and nut 77.4 to 90.2 7.9 to 9.2 57.1 to 66.5
Outer pulley mounting nut 196.17 to 225.6 20.0 to 23.0 144.7 to 166.4
Gear box bracket (RH) mounting bolt and nut 77.4 to 90.2 7.9 to 9.2 57.1 to 66.5
Pulley boss mounting nut 23.5 to 27.4 2.4 to 2.8 17.4 to 20.3
Pulley holder mounting bolt and nut 77.4 to 80.2 7.9 to 9.2 57.1 to 66.5
Item N·m kgf·m ft-lbs
Mower blade screw 103 to 118 10.5 to 12.0 76 to 87
Gear box screw 23.5 to 27.4 2.4 to 2.8 17.4 to 20.2
Gear box mounting screw (for aluminum gear case) 39.2 to 44.1 4.0 to 4.5 28.9 to 32.5
Gear box mounting screw and nut 77.4 to 90.2 7.9 to 9.2 57.1 to 66.5
Center pulley holder bolt and nut 77.4 to 90.2 7.9 to 9.2 57.1 to 66.5
Outer pulley mounting nut 166.7 to 186.3 17.0 to 19.0 123.0 to 137.0
Pulley holder mounting bolt and nut 77.4 to 90.2 7.9 to 9.2 57.1 to 66.5
Gear box bracket (RH) mounting screw (for aluminum
gear case)
39.2 to 44.1 4.0 to 4.5 28.9 to 32.5
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