Lincoln Electric RANGER 225 GXT Service Manual page 88

F-48
AND REPLACEMENT PROCEDURE (continued)
1 2 P i n P l u g 1 / 4 " Q . C . T a b s
4 P i n P l u g 4 S e l f T a p p i n g S c r e w s ( a t c o r n e r s )
4 Pin Plug
PROCEDURE
Before starting the following procedure, refer to the
topic "PC Board Troubleshooting Procedures" at
the beginning of this section.
1. Remove the engine spark plug wires.
2. With the 5/16" nut driver, remove the 6 sheet
metal screws from the case top.
3. Remove the rubber gasket (cover seal) from the
lift bail.
4. Remove the fuel cap. The rubber gasket for the
fill tube will come off with the case top.
5. Remove the case top, then reinstall the fuel
cap.
6. With the 5/16" nut driver, remove the 5 screws
holding the right case side.
7. Remove the right case side by lifting up and
out.
TROUBLESHOOTING AND REPAIR
PRINTED CIRCUIT BOARD REMOVAL
FIGURE F.10 – PLUG LOCATIONS
RANGER® 225 GXT
4 Self Tapping Screws (at corners)
12 Pin Plug
1/4" Q.C. Tabs
8. Remove the 12-pin molex plug from the
Printed circuit board.
9. Remove 4-pin molex from the current sensing
leads (254 and 254A - see the Wiring
Diagram.). These leads attach to the current
sensor located on the printed circuit board.
10. Remove leads from two 1/4" Q.C. connectors.
Thread the lead through the hole in the current
sensor in order to separate it from the printed
circuit board. It will probably be necessary to
cut any cable ties restraining the wiring. Use
the diagonal cutters.
F-48