Blue Diamond EXTREME DUTY SNOW BLOWER 68, Operation And Maintenance Manual, Page: 43 / 70

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Extreme Duty Snow Blower Operation and Maintenance Manual
Maintenance
Chute Rotation Gear Replacement
Figure 16
1. Remove the chute rotate gear cover (Item 5)
[Figure 17] .
2. Place a strap under the cylinder top clevis
(Item 1) [Figure 16] and secure to a proper
lifting device. Use lifting device and strap of
adequate size (chute weight approx. 60 lbs).
3. Remove retainer hardware (Item 2) and
retainer rings (Item 3) [Figure 16] .
4. Loosen motor mount bolts (Item 6) [Figure 17]
if needed to move drive gear.
5. Lift chute slightly and remove chute rotate gear
(Item 4) [Figure 16] from top frame mount ring.
6. Replace the chute rotate gear around the top
frame mount ring.
7. Set chute back down on top frame mount ring.
8. Reassemble hardware for chute rotate gear
and retainer rings. Ensure that chute rotate
gear is clocked so the stop tab (center) is 90
degrees from the chute opening (opposite side
of the chute rotate motor).
9. Remove hoist from discharge chute.
10. Install the chute rotate gear cover (Item 5)
[Figure 17] .
Check chute rotation gears for proper mesh and
alignment. (See “Chute Rotate Gear Adjustment”
on page 42.)
Chute Drive Gear Replacement
Figure 17
1. To replace chute rotate drive gear (Item 7),
remove chute rotate gear cover (Item 5)
[Figure 17] .
2. Loosen drive gear set screws (Item 8) and
remove drive gear (Item 7) [Figure 17] .
3. Replace drive gear at the desired height and
backlash (see “Chute Rotate Gear Adjustment”
on page 42) and tighten set screws. Use
loctite® on set screws.
4. Install the chute rotate gear cover (Item 5)
[Figure 17] .
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