5
Maintaining
Your Yard
Vacuum
NOTE: When tipping unit, empty the oil and fuel tank and keep engine spark plug side up..
Figure 19
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Figure 20
Sharpening Or Replacing Chipper Blade
NOTE: When tipping the unit, empty the oil and fuel tank and keep engine spark plug side up.
1.Disconnect and ground the spark plug wire to retaining post.
2.Remove hose assembly and bag assembly.
3.Remove the three hex cap screws holding the hose hanger bracket and chipper chute to the upper hous- ing. See Figure 19.
4.Remove the front hubcaps, flange lock nuts, front wheels, and wave washers that attach to the pivot arm assemblies. See Figure 20.
5.Remove the shoulder screws, thrust washers, and bell washers that go through the pivot arms to the front support brace. The front support brace and lock nut can be removed at this time as well.
6.Remove the four screws on the upper housing that secure the nozzle cover. See Figure 21.
7.Carefully tilt and support the unit up to provide access underneath to the nozzle mounting hardware and impeller. Remove the three shoulder bolts securing the black plastic nozzle to the lower housing. Refer to Figure 22.
8.Tilt top of black plastic nozzle toward the engine to remove.
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Figure 21 | Figure 22 |
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