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Periodic Maintenance
(Every six to twelve months)
1. Check filter for wear, replace dirt saturated filters that do not respond
to normal cleaning.
2. Inspect gasket seals and replace those which have begun to leak.
3. Examine carbon motor brushes and commutator.
Servicing The Vac Motor
Motor Replacement
1. Disconnect power cord from power source.
2. To access the vac motor, remove the screws that attach the main cover to the head assembly and set
the cover to one side.
3. Disconnect the motor’s 2 red lead wires from the main wiring bridge.
4. Disconnect green/yellow wire by removing the screw from the motor core.
5. Remove the four motor mounting screws.
6. Remove motor plate and set aside.
7. Take out the motor and remove the upper and lower gaskets.
8. Inspect gaskets. If they show signs of wear replace the.
9. Install gaskets onto new motor ensuring that they are properly seated.
10. Install the new motor. Make sure foam mufflers are positioned properly.
11. Attach motor plate to motor.
12. Connect green/yellow wire to motor core.
13. Connect motor’s 2 red lead wires to main wiring bridge.
14. Re-assemble vac cover.
15. Test for proper operation.
Содержание S9440P
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