USAfixTM - Repair Guide (RG) - Master Email RG
- REPLACING THE VAC MOTOR
 Level of Difficulty - MEDIUM  Estimated Completion Time - 20 minutes
NSS - CHAMP 3529 RB

Tools Required
Tool 
Ratchet-Deep socket standard 7/16 in
Screwdriver-flat tip
Screwdriver-phillips

Parts Required
PartDescriptionPriceAvailablePurchase
164-1744 Vacuum motor cover $285.66 Back Order Qty:
164-2020 Vacuum motor exhaust hose $52.60 Back Order Qty:
164-2024 Emergency stop $132.87 Back Order Qty:
164-7293 36V 3 stage vacuum motor (motor only) $303.31 Back Order Qty:
999-0123 Washer 1/4 SAE flat zinc plated $0.99 Back Order Qty:
999-0136 Bolt 1/4-20 x 1 1/4 hex head grade 5 zinc plated $0.90 Back Order Qty:
999-0880 Screw 10-24 x 1 1/2 truss head slotted stainless steel $0.90 Back Order Qty:


Step Procedure & Parts & Tools
1 URN THE MACHINE OFF, DISCONNECT THE BATTERIES AND ENGAGE THE STOP SWITCH.

PartDescriptionPriceQty
164-2024 Emergency stop $132.87 Qty:  
2 REMOVE THE 6 SCREWS FROM THE VAC MOTOR COVER.
Screwdriver-phillips

PartDescriptionPriceQty
999-0880 Screw 10-24 x 1 1/2 truss head slotted stainless steel $0.90 Qty:  
3 FLIP THE COVER OVER.

PartDescriptionPriceQty
164-1744 Vacuum motor cover $285.66 Qty:  
4 THE VAC MOTOR IS NOW VISIBLE.

PartDescriptionPriceQty
164-7293 36V 3 stage vacuum motor (motor only) $303.31 Qty:  
5 LOOSEN THE SCREW ON THE VAC EXHAUST HOSE.
Screwdriver-flat tip

PartDescriptionPriceQty
164-2020 Vacuum motor exhaust hose $52.60 Qty:  
6 REMOVE THE 3 BOLTS HOLDING THE VAC MOTOR.
Ratchet-Deep socket standard 7/16 in

PartDescriptionPriceQty
999-0123 Washer 1/4 SAE flat zinc plated $0.99 Qty:  
999-0136 Bolt 1/4-20 x 1 1/4 hex head grade 5 zinc plated $0.90 Qty:  
7 DISCONNECT THE 2 WIRE CONNECTORS.

8 REVERSE STEPS 1 THRU 7 TO INSTALL A NEW VAC MOTOR.