USAfixTM - Repair Guide (RG) - Master Email RG
- Replace the roll switch
 Level of Difficulty - MEDIUM  Estimated Completion Time - 30 minutes
TENNANT - 2550

Tools Required
Tool 
Screwdriver-phillips
Wrench-metric 10mm
Wrench-metric 13mm

Parts Required
PartDescriptionPriceAvailablePurchase
175-3116 Snap switch $13.75 Back Order Qty:


Step Procedure & Parts & Tools
1 LOCATE THE NEGATIVE CABLE AT THE START OF THE BATTERY PACK. REMOVE THE NUT AND LIFT THE CABLE FROM THE POST.
Wrench-metric 13mm

2 REMOVE THE 4 SCREWS HOLDING THE FRONT PANEL COVER.
Screwdriver-phillips

3 PULL THE FRONT PANEL COVER DOWN TO EXPOSE THE WIRING.

4 REMOVE THE 4 SCREWS HOLDING THE TOP PANEL COVER.
Screwdriver-phillips

5 PULL THE TOP PANEL COVER UP TO EXPOSE THE WIRING.

6 LOCATE THE ROLL SWITCH.

7 REMOVE THE 2 SIDE SCREWS.
Screwdriver-phillips
Wrench-metric 10mm

8 LOCATE THE POTENTIOMETER NEXT TO THE HANDLE. PULL THE KNOB OFF. REMOVE NUT.
Wrench-metric 13mm

9 LOCATE THE POTENTIOMETER INSIDE THE MACHINE. (INSIDE THE TOP).

10 PULL THE POTENTIOMETER OUT. NOTE: THIS HAS TO BE REMOVED TO ACCESS SCREWS ON BOTTOM OF ROLL SWITCH.

11 TURN THE HANDLE UNTIL THE 2 SCREWS ON THE BOTTOM OF THE ROLL SWITCH BRACKET ARE VISIBLE. REMOVE THE 2 SCREWS.
Screwdriver-phillips

12 PULL THE WIRE CONNECTORS TO DISCONNECT THE ROLL SWITCH WIRES. PULL THE BLACK ROLL SWITCH FROM THE METAL BRACKET AND FROM THE MACHINE.

13 REVERSE STEPS 1 THRU 12 TO INSTALL A NEW ROLL SWITCH.

PartDescriptionPriceQty
175-3116 Snap switch $13.75 Qty: