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17
LITTLE
WONDER
BLOWER
DIFFERENTIAL CHAIN
I
f this chain is worn or becomes too slack it must be
replaced. There is no adjustment.
1. Remove the bottom cover.
2. Find and remove the master link.
3. Remove the old chain. Check the sprockets for
wear. Replace if visibly worn.
4. Install the new chain with a new master link.
Lubricate with teflon based chain lubricant, such as
bicycle chain lube.
5. Reinstall the bottom cover.
CHAIN REPLACEMENT
WHEEL CHAINS
If there is no more adjustment, the wheel chains need to
be replaced. (Figure 3)
NOTE: Wheel chains need to be replaced in pairs to
keep the adjustment even from one side to the other.
1. Remove the chain covers. Find and remove the
master links and remove old chains.
2. Check sprockets for wear. Replace if visibly worn.
3. Tip the machine to the right until it rests on the
blower housing.
4. Loosen the nuts
A
on the carriage bolts securing
the chain adjuster brackets on each side. Leave
the center pivot bolt
B
tight.
5. Once the carriage bolts are loose, set the machine
back down and install the new chains.
6. Check and ensure the differential output sprockets
and wheel sprockets are aligned. If necessary, use
spacer washers to eliminate as much axial play as
possible of the wheel on the axle.
7. Support the rear of the machine with the wheels off
the ground and move the adjuster brackets until the
chain has 1/16” to 1/8” droop on the slack side with
the other side tight. Both adjusters should be in
about the same position.
8. Tighten the nuts
A
on the carriage bolts.
9. Lubricate the chains with bicycle chain lubricant.
10. Reinstall the chain covers.
A
A
B
WHEEL
Figure 3