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MAINTENANCE
NINJA INTL 86038610 03/29/07
4-2
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)
WARNING: The green
ground wire must be
attached for safe operation.
See wiring diagram.
End Cap
Carbon
Brushes
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.
Periodically check the length of the carbon brushes. Replace
both carbon brushes when either is less than 3/8" (9.5mm)
long.
3
8
[9.5mm]
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.
Periodically check the length of the carbon brushes. Replace
both carbon brushes when either is less than 3/8" (9.5mm)
long.
3/8 (9.5mm)
Vacuum Motor Carbon Brushes Replacement (Ametek)
Note: When replacing carbon brushes loosen wire terminal
BEFORE removing screws on bracket.
Note:
Place
stop in
groove.
Wire
Terminal
WARNING: The green
ground wire must be
attached for safe operation.
See wiring diagram.
End Cap
Carbon
Brushes
Wire Terminal
If armature commutator is grooved, extremely pitted or not
concentric, the motor will need to be replaced or sent to a
qualified service center.