MAINTENANCE
Servicing the Spark Plug
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 so that it faces forward.
5.Remove the discharge chute by removing the three carriage bolts and three flange nuts (Figure 26).
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Figure 26
1. Discharge chute | 3. Flange nuts |
2.Carriage bolts
6.Remove two screws in plenum that hold top cover (Figure 27).
7.Remove the oil fill cap.
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8.Unsnap top cover by firmly pulling upwards at the rear section of the cover disengaging the three clips (Figure 28).
9.Shift top cover 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 in the side cover and rear covers on both sides.
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| Figure 28 | |
1. | Top cover | 3. | Screw |
2. | Clips | 4. | Rear upper cover |
12.Unplug electrical wires on back of ignition switch (Figure 29).
13.Pull tube off the back of the primer bulb.
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| 2 | 4 |
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| Figure 27 |
1. | Screw | 3. Oil fill cap |
2. | Plenum | 4. Top cover |
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| 1 | 3 |
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| Figure 29 |
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1. | Electrical wires | 3. | Tube |
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2. | Ignition switch | 4. | Primer bulb |
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14. Lift rear upper cover and lay it to the side of the unit.
IMPORTANT: The recoil rope will still be attached to the upper cover.
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