MM Owner’s Manual
MAINTENANCE
PERIODIC MAINTENANCE
Periodic maintenance should be performed at the following intervals:
Maintenance Operation | Every use | Every 5 hours (daily) | Every 10 Hours | Every 25 Hours |
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Inspect for loose, worn or damaged parts. |
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Check engine oil and air filter | z |
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Clean hose | z |
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Engine (See Engine Manual) |
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Inspect battery for damage or leak |
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Keep engine free of debris | z |
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Check battery terminal for corrosion |
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Check for excessive vibration |
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IMPELLER REMOVAL
1.Wait for engine to cool and disconnect spark plug wires from the both sides of the engine.
2.Disconnect the negative battery cable (black) (item 12) from the battery.
3.Remove the hose from the unit.
4.Unattach the hose from boom assembly.
5.Remove the intake housing assembly (item 33) using 9/16" socket and socket wrench to remove (12) locknuts (item 47). Be careful to place intake assembly to the side without putting excess strain on safety switch wire harness
6.Remove impeller bolt and lock washer using 5/8" socket and impact wrench (see fig. 6).
7.Once bolt is removed impeller should slide out freely. If impeller will not slide free on crankshaft, obtain a
Note: The
8.When impeller is free of the engine shaft, align impeller with the opening and pull it straight out of the housing.
9.Using a new impeller bolt, washer, and lock washer, install new impeller in reverse order. Note: Be sure spacer is in place behind impeller before tightening.
10.Tighten impeller bolt. Torque impeller bolt to
11.Repeat steps 2 through 5 in reverse order.
12.Reinstall spark plug wires.
Fig. 6
INTERLOCK SYSTEM
With hose coupler installed (as shown in Fig. 8) the switch is open & engine is not grounded out, allowing engine to run.
SUBARU
WIRING
DIAGRAM
Fig. 8
Hose must be installed and switch lever must engage switch for engine to start.
Part No 791108 | 12 | Form No F111008B |