Wire Terminal

MAINTENANCE

Only qualified maintenance personnel are to perform the

following repairs.

VACUUM MOTOR REPLACEMENT

1.Turn off all switches and unplug machine.

2.Remove recovery tank.

3.Locate the vacuum motor wires and disconnect at the connector.

4.Remove the vacuum motor.

5.Reverse process to install vacuum motor.

SOLUTION PUMP REPLACEMENT

1.Turn off all switches and unplug the machine.

2.Remove recovery tank.

3.Remove solution hoses from fittings in pump.

4.Remove the screws that fasten the pump to the frame.

5.Reverse process to install pump.

Vacuum Motor Carbon Brushes Replacement (Windsor)

 

End Cap

Carbon

WARNING: The green

Brushes

ground wire must be

 

attached for safe operation.

 

See wiring diagram.

If armature commutator is grooved, extremely pitted or not concentric, the motor will need to be replaced or sent to a qualified service center.

Important:

These brushes wear quicker as the length shortens due to increased heat. Spring inside brush housing will damage motor if brushes are allowed to wear away completely.

38 [9.5mm]

Periodically check the length of the carbon brushes. Replace both carbon brushes when either is less than 3/8" (9.5mm) long.

Vacuum Motor Carbon Brushes Replacement (Ametek)

 

End Cap

Carbon

WARNING: The green

Brushes

ground wire must be

 

attached for safe operation.

 

See wiring diagram.

Note: When replacing carbon brushes loosen wire terminal BEFORE removing screws on bracket.

Wire

Terminal

Note:

Place stop in groove.

If armature commutator is grooved, extremely pitted or not concentric, the motor will need to be replaced or sent to a qualified service center.

Important:

These brushes wear quicker as the length shortens due to increased heat. Spring inside brush housing will damage motor if brushes are allowed to wear away completely.

3/8 (9.5mm)

Periodically check the length of the carbon brushes. Replace both carbon brushes when either is less than 3/8" (9.5mm) long.

4-2

NINJA INTL 86038610 03/29/07

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Windsor 10070470, 10070460, 621-222MO, 621-225MO manual Vacuum Motor Replacement