USAfixTM - Repair Guide (RG) - Master Email RG
- ADJUSTING THE POTENTIOMETER
 Level of Difficulty - MEDIUM  Estimated Completion Time - 15 minutes
NSS - WRANGLER 3330

Tools Required
Tool 
Screwdriver-flat tip
Screwdriver-phillips
Volt meter (True RMS capable)
Wrench-Allen standard 7/64 in

Parts Required
PartDescriptionPriceAvailablePurchase
164-1509 Handle cover (OBSOLETE) $94.71 Back Order Qty:
991-9024 5K potentiometer $20.97 Back Order Qty:
999-0135 Screw 1/4-20 x 3/8 truss head slotted zinc $0.90 Back Order Qty:


Step Procedure & Parts & Tools
1 REMOVE THE 4 SCREWS FROM THE HANDLE COVER.
Screwdriver-phillips

PartDescriptionPriceQty
999-0135 Screw 1/4-20 x 3/8 truss head slotted zinc $0.90 Qty:  
2 LIFT THE HANDLE COVER OFF MACHINE.

PartDescriptionPriceQty
164-1509 Handle cover (OBSOLETE) $94.71 Qty:  
3 INSERT VOLT METER PROBES INTO THE GREEN AND WHITE DRIVE MOTOR WIRES AT BOTTOM BACK OF MACHINE.
Volt meter (True RMS capable)

4 LOOSEN THE SET SCREW IN HANDLE GEAR.
Wrench-Allen standard 7/64 in

5 TURN THE SCREW UNTIL BRUSHES SHUTOFF OR VOLT METER GOES TO ZERO.
Volt meter (True RMS capable)
Screwdriver-flat tip

6 RE-TIGHTEN THE SET SCREW.
Screwdriver-flat tip

7 REVERSE STEPS 1 AND 2 TO REASSEMBLE THE MACHINE.REPLACE THE POTENTIOMETER IF IT WON'T ADJUST.
Wrench-Allen standard 7/64 in

PartDescriptionPriceQty
991-9024 5K potentiometer $20.97 Qty: