Warner Electric Garden Tractor Clutch - Manual (Page 9)

9
Warner Electric • 800-825-9050 P-1097-6 • 819-0458
Crankshaft
Ground drive pulley or spacer
must be chamfered to clear this
radius on the crankshaft shoulder.
1.0"
Minimum shaft
engagement
1.340 Min Diameter
x .250 Min Thick
Washer
Ground
drive
pulley
Engine Face
Crankshaft
Shoulder
Note 2
Note 2
Failure to torque bolt
to requirements will
degrade clamping and
can allow the clutch to
separate from the
shaft, causing risk of
personal injury.
Thread size Torque required N-m
3/8-24" UNF* 40-45 lb.ft. 54-61
7/16-20" UNF** 50-55 lb.ft. 67-75
M 10 X 1.50 55-60 N-m 55-60
Note: All values are for dry (unlubricated) plated bolts,
please consult fastener manufacturer if any type of locking
element (thread lock compound, patch etc.) is to be used.
* 3/8 -24 UNF Grade 5 bolt is unacceptable
** 7/16-20 UNF Grade 5 or 8 bolt is acceptable
Mounting the Clutch/Brake
NOTE:
1. Proper bolt torque is critical.
2. Always bottom the clutch against a flat surface; never against a radius.