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Servicing the Spark Plug and
Inspecting Fuel Lines and Electrical
Wires
Use a NGK BPR6ES, Champion RN9YC, or BOSCH WR6DC
spark plug or equivalent.
1.
Move snow thrower to a level surface.
2.
Run snow thrower until all fuel has been depleted.
3.
Wait until engine is cool.
4.
Rotate the discharge chute (1) so that it faces forward.
5.
Remove the discharge chute (1) by removing the three car-
riage bolts (2) and three flange nuts (3).
6.
Remove two screws (4) in plenum (5) that hold top cover (7).
7.
Remove the oil fill cap (6).
8.
Unsnap top cover (8) by firmly pulling upwards at the rear
section of the cover disengaging the three clips (9).
9.
Shift top cover (8) until fuel tank is clear of the rear upper
cover and set top cover to the side of the unit.
10. Temporarily reinstall oil fill cap to prevent foreign object from
entering the engine.
11. Remove 2 screws (10) in the side cover and rear covers (11)
on both sides.
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