MAINTENANCE
OM 0182SB-A
19
M
AINTENANCE
ALWAYS USE GENUINE PARTS WHEN
REPLACEMENT PARTS ARE REQUIRED
WARNING:
Before cleaning, adjusting or repairing the
snowblower: bring the tractor to a
complete stop, lower the implement shut
off the engine and remove the ignition key.
Never park the tractor inside a building
where an open flame or sparks are
present. Allow the engine to cool down
before storing in any enclosure.
Provide adequate blocking before working
under the snowblower when in raised
position.
Drive Chain Tension Adjustment
1.
Remove the driveline guard.
2.
Loosen the four bolts securing the reduction
box assembly to the snowblower frame.
3.
Tighten the drive chain by lowering the
reduction box assembly in order to leave a
deflection of between 1/16" and 1/8".
4.
Tighten the four bolts securing reduction box
and reinstall the driveline guard.
Reduction Sprocket Removal
Thread locker was applied on all setscrews during
assembly at the factory. Apply heat before
attempting removal. When installing, apply a drop
of thread sealant on the setscrews of both the
large sprocket and the two bearing collars.
Shear Bolts
1.
Always use a special grade 5 shear bolt
(656053) on fan (item 1) and grade 5 two
grooved shear bolts, silver plated (657295) on
the auger (item 2) as shown on decal
(657346) .
2.
Check shear bolts at frequent intervals for
proper tightness to make sure the snowblower
is in safe working condition. Torque must be at
9 lbs-ft (12 N-M).
Auger Repositioning
After shear bolt breakage on one of the augers,
make sure to reposition the augers as shown on
the figure.
1/16
"to
1/8"
1/16
"to
1/8"
2
2
1
