123940 5-1 REV C
TORQUE
Standard Torques
The following chart lists the standard torque values for the threaded fasteners found in this manual. Torque all cap screws, nuts
and set screws to these values unless a different torque is shown in the Special Torques section.
Special Torques
NOTE:
1. Lug nuts only – It is recommended that these be
checked after the first 2 hours of operation and every
50 hours and following removal for repair or replace-
ment.
2. Engine torque values – Refer to the respective engine
owner’s manual.
3. If clutch mounting bolt is loosened or removed, do not
re-use. Replace with a new bolt. Use only hand tools to
install this fastener.
Size ft-lbs N•m Size ft-lbs N•m
#10 32.4 IN.-LBS. 3.6 M3 12 IN.-LBS. 1.3
.250 98.4 IN.-LBS. 11.1 M4 26.4 IN.-LBS. 3
.312 204 IN.-LBS. 23 M5 54 IN.-LBS. 6.1
.375 30 40 M6 92.4 IN.-LBS. 10.4
.438 48 65 M8 222 IN.-LBS. 25
.500 73 99 M10 37 50
.562 105 143 M12 64 87
.625 145 200 M14 103 140
.750 260 350 M16 160 215
.875 420 565 M20 320 435
Description ft-lbs N•m
Wheel (lug) nuts
1
70 95
Blade spindle bolt top 70 95
Blade spindle bolt bottom 118 160
Electric clutch mounting bolt
3
47 63
Front wheel axle bolt 100 136
Wheel motor hub nut 230 312
Engine torques
2
N/A N/A
Particular attention must be given to tightening the
drive wheel lug nuts and blade spindle bolts. Failure
to correctly torque these items may result in the loss
of a wheel or blade, which can cause serious dam-
age or personal injury.
WARNING
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