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TROUBLESHOOTING & REPAIR
F-54 F-54
RANGER 9 RANGER 9
12. With the 1/4” nut driver, remove five
screws holding the printed circuit board.
13. Replace the old printed circuit board with a
new one.
14. Thread lead #3 back through the current
sensor on the printed circuit board and
reattach the lead to the 115 VAC recepta-
cle.
15. Connect current sensing leads #254 and
#254A. See the Wiring Diagram for the
proper connections.
16. Connect the two molex plugs.
17. Replace any cable ties that were cut dur-
ing the removal procedure.
18. With the 5/16” nut driver, install the printed
circuit board cover.
19. Reinstall the case side, fuel cap, lift bale
gasket, case top, and spark plug wires.
PRINTED CIRCUIT BOARD REMOVAL
AND REPLACEMENT (continued)
Be sure to follow the recommended static-free methods for handling printed circuit boards.
Failure to do so can result in permanent damage to the equipment.
CAUTION