MAINTENANCE
COMANCHE 86038890 03/20/07
4-2
Only qualified maintenance personnel are to
perform the following repairs.
SOLUTION PUMP REPLACEMENT
1.
Turn off all switches and unplug the machine.
2.
Unlatch the recovery tank from the base.
3.
Tip recovery/solution tank to gain access to the
base of machine.
4.
Remove solution hoses from fittings on pump.
Disconnect wires.
5.
Remove the screws that fasten the pump to the
base.
6.
Reverse process to install new replacement
pump.
VACUUM MOTOR REPLACEMENT
1.
Turn off all switches and unplug machine.
2.
Unlatch the recovery tank from the base.
3.
Tip recovery/solution tank to expose vacuum
(s).
4.
Locate the proper vacuum motor wires and
disconnect.
5.
Unfasten screws holding vacuum to plate.
6.
Remove the vacuum motor.
7.
Reverse process to install vacuum motor
replacement.
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.