NOTE: THE FOLLOWING SERVICE ITEMS SHOULD BE PERFORMED BY AN AUTHORIZED SERVICE FACILITY OR AUTHORIZED SERVICE PERSONNEL. ALL PARTS REFERRED TO IN THESE INSTRUCTIONS CAN BE IDENTIFIED BY USING THE PARTS LISTS AND ILLUSTRATIONS ON THE FOLLOWING PAGES.
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REMOVE MACHINE POWER CORD FROM ELECTRICAL SOURCE BEFORE MAKING ANY REPAIRS OR ADJUSTMENTS TO THE MACHINE.
TO ACCESS BELT/BRUSH MOTOR
1. Place machine in the upright storage position.
2.Remove (3) screws holding belt cover to chassis.
3.Loosen brush motor and roll belt off brush pulley.
4.Remove (5) screws holding brush housing to chassis- (3) Located on front of housing,
(2)Located rear of housing.
5.Remove (2) screws from each end of brush housing and remove brush assembly.
6.Inspect/replace brush and bearings as required. The brush is equipped with a yellow wear indicator bristles. The brush should be replaced when it wears down to the height of the yellow bristles.
7.When installing belt push down on motor for proper tension.
8.When reinstalling brush, check belt for proper tension.
TO ACCESS AND REMOVE VAC MOTOR
AND FILTERS.
1.Open lid cover.
2.Remove (2) screws from each/both vac motor brackets.
Vacuum Motor Carbon Brushes Replacement (Windsor)
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.
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.
MAINTENANCE
Vacuum Motor Carbon Brushes Replacement (Ametek)
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.
Note: Place stop in groove.
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.
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THE GREEN GROUND WIRE MUST ATTACH THE MOTOR TO THE POWER CORD FOR SAFE OPERATION. SEE THE WIRING DIAGRAM.
NOTE: WHEN REPLACING ELECTRICAL COMPONENT PARTS REFER TO WIRING DIAGRAM FOR PROPER CONNECTION.
NOTE: THE VAC MOTOR IS PROTECTED BY A CIRCUIT BREAKER LOCATED IN THE SWITCH PANEL. THE BREAKER WILL ONLY TRIP UNDER CONDITIONS OF ABUSE.
BRUSH MOTOR
1.Access belt and brush as described above.
2.Disconnect spring holding frame to brush motor housing.
3.Remove (4) bolts holding motor housing to the chassis and lift out motor asm.
4.Remove brush motor pulley and (2) bolts holding motor to bracket, lift out brush motor.
CARBON BRUSH
1.Access belt and brush as described above.
2.Remove brush caps. NOTE: BRUSHES SHOULD BE REPLACED WHEN WORN TO 3/8” OR LESS.
NOTE: BEFORE REINSTALLING BRUSH MOTOR BRACKET ASSEMBLY IT’S RECOMMENDED THAT THE REAR SPRING BE RECONNECTED TO THE FLAPPER ASSEMBLY.
NOTE: PART NO. 86001250 – PRV NO. 140212 IF YOU HAVE A MOTOR MARKED “LEESON.” PART NO. 86135360 – PRV NO. 14340 IF YOU HAVE A MOTOR MARKED “86247470 – PRV NO. 53617.”
WAV 86038510 05/15/07 | |
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