Warner Electric Garden Tractor Clutch User Manual

Page 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

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.