USAfixTM - Repair Guide (RG) - Master Email RG
- REPLACING THE FUEL REGULATOR
 Level of Difficulty - MEDIUM  Estimated Completion Time - 30 minutes
PIONEER - PE420BU

Tools Required
Tool 
Crescent wrench
Wrench-16mm
Wrench-7/16 in

Parts Required
PartDescriptionPriceAvailablePurchase
154-0168 Fuel adjustment $113.64 Back Order Qty:
154-2348 Brass fitting $30.80 Back Order Qty:
154-2349 Brass elbow fitting $35.21 Back Order Qty:
991-6001 Fuel regulator (T60) $336.48 Back Order Qty:
991-6002 12V fuel lock off (Model 152) $48.90 Back Order Qty:


Step Procedure & Parts & Tools
1 LOCATE THE FUEL REGULATOR ON THE RIGHT SIDE OF THE MACHINE (STANDING IN THE OPERATOR POSITION)991-6001

PartDescriptionPriceQty
991-6001 Fuel regulator (T60) $336.48 Qty:  
2 PULL TO REMOVE THE VAC HOSE FROM THE LEFT SIDE OF THE FUEL REGULATOR.

3 PULL TO REMOVE THE VAC HOSE FROM THE BACK SIDE OF THE FUEL REGULATOR.

4 PULL TO REMOVE THE FUEL HOSE FROM THE BRASS FUEL ADJUSTER ON THE FUEL REGULATOR.

5 DISCONNECT THE 2 WIRE CONNECTORS ON THE FUEL LOCKOFF.

6 REMOVE THE 2 BOLTS HOLDING THE FUEL REGULATOR TO THE BUFFER FRAME. THE BOLTS ARE LOCATED ON THE UNDER SIDE OF THE FRAME.
Wrench-7/16 in

7 REMOVE THE REGULATOR FROM THE MACHINE.

8 PUT THE FUEL REGULATOR IN THE VICE TO SECURE IN PLACE. NOTE: DO NOT OVER TIGHTEN THE VICE AS THIS COULD CAUSE DAMAGE TO THE REGULATOR'S OUTER CASING.

9 REMOVE THE BRASS FITTING FOR THE VAC HOSE ON THE LEFT SIDE OF THE FUEL REGULATOR.
Crescent wrench

PartDescriptionPriceQty
154-2348 Brass fitting $30.80 Qty:  
10 REMOVE THE FUEL LOCKOFF FROM THE FUEL REGULATOR.
Wrench-16mm

PartDescriptionPriceQty
991-6002 12V fuel lock off (Model 152) $48.90 Qty:  
11 REMOVE THE BRASS FITTING FOR THE VAC HOSE ON THE BACK OF THE FUEL REGULATOR.
Crescent wrench

PartDescriptionPriceQty
154-2349 Brass elbow fitting $35.21 Qty:  
12 REMOVE THE BRASS FUEL ADJUSTER FROM THE FUEL REGULATOR. REMOVE THE FUEL REGULATOR FROM THE VICE.
Crescent wrench

PartDescriptionPriceQty
154-0168 Fuel adjustment $113.64 Qty:  
13 PUT THE NEW FUEL REGULATOR IN THE VICE TO SECURE IN PLACE. NOTE: DO NOT OVER TIGHTEN THE VICE AS THIS COULD CAUSE DAMAGE TO THE REGULATOR'S OUTER CASING.

14 PUT PLUMBER'S TAPE ON ALL THE BRASS FITTING THREADS BEFORE INSTALLING THEM INTO THE NEW FUEL REGULATOR.

15 REVERSE STEPS 2 THRU 12 TO INSTALL A NEW FUEL REGULATOR.