Maintenance; Shearbolts; Drive Shaft; Driveline - Blizzard B74C Operator And Parts Manual

M
AINTENANCE

Shearbolts

Check the shearbolts indicated on the figure
below at frequent intervals for proper tightness to
be sure the blower is in safe working condition.
Figure 30: To access the shear bolts, pull up the
access pannel (item 1) located near the chain. If
the shearbolts need replacement, use the
following parts only:

Drive shaft:

Shearbolt hex. 1/4" NC x 1 1/4" gr.2, incl. nut.
Part # 669345.

Driveline:

Shearbolt M8 x 1.25 x 50mm gr.8.8 and nut. Part
# 4700060.
OM 0410SB-A

MAINTENANCE

Provide adequate blocking before working
under the snowblower when in the raised
position.
Driveline
IMPORTANT: When the snowblower is not
used for more than two weeks, perform
driveline maintenance and always store it in a
dry place, away from bad weather conditions.
SHEAR BOLT
34
WARNING
ACCESS
Figure 30