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TROUBLESHOOTING & REPAIR
F-111 F-111
COMMANDER 400
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ENGINE, STATOR/ROTOR REMOVAL AND REPLACEMENT (continued)
FIGURE F.57 – EXCITER BOARD COVER REMOVAL
EXCITER
BOARD
COVER
MOUNTING
NUTS (3)
EXCITER
BOARD
BRASS
NUTS (3)
MOUNTING
SCREW
25. Using the 3/8" nut driver, remove the exciter
board cover. This is sealed and may require
some gentle prying to dislodge. See Figure
F.57.
ELECTRIC SHOCK can kill.
• Do not operate with panels
open.
• Disconnect NEGATIVE (-)
BATTERY LEAD before ser-
vicing.
• Do not touch electrically live parts.
26. Check for voltage at the three studs . If volt-
age is present, do not proceed. Call the
Lincoln Electric Service Dept. at 1-800-833-
9353.
With the 7/16" wrench, remove the three nuts
and washers that mount the exciter board to
the three studs. With the 1/4" nut driver,
remove the lower mounting screw from the
exciter board.
27. With the 7/16" wrench, remove the three
brass nuts and label and remove the T1, T2
and T3 stator leads (only) from the studs. Cut
any necessary cable ties. With the 5/16’ nut
driver, remove the screws and drop the case
front to access the control box. Remove the
control board cover.
WARNING