MAINTENANCE
WARNING:
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.
Vac Motor Carbon Brushes Replacement
| End Cap |
Carbon Brushes | WARNING: The green |
| ground wire must be |
| attached for safe |
| operation. |
| See wiring diagram. |
Note: When replacing carbon vac motor brushes loosen wire terminal BEFORE removing screws on bracket.
If armature commutator is not concentric, extremely pitted, or grooved the motor will need to be replaced or sent to a qualified service center to restore vac performance.
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 (2) screws that fasten the pump to the frame.
5.Reverse process to install pump.
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.
Wire
Terminal
Note:
Place stop in groove.
3/8
Periodically check the length of the carbon brushes. Replace both carbon brushes when either is less than 3/8" long.
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