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TROUBLESHOOTING & REPAIR
F-75 F-75
POWER WAVE 455/R
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13/14
OR
17/18
NYLON
SCREW
(2X)
19+
20-
11/12
OR
15/16
SWITCH
BOARD
MOLEX PLUG
MOUNTING
SCREW (4X)
FIGURE F.28 – SWITCH BOARD AND FILTER CAPACITOR REMOVAL AND REPLACEMENT
SWITCH BOARD AND FILTER CAPACITOR
REMOVAL AND REPLACEMENT (CONTINUED)
REMOVAL PROCEDURE
NOTE: Observe all static electricity precautions.
Lead and plug references below use a slash (/)
to indicate machine right side/left side wire
number differences.
1. Remove input power to the Power Wave
455/R.
2. Using the 3/8” nut driver, remove the case
top and sides.
3. Perform the Capacitor Discharge proce-
dure.
4. Using the 5/16” nut driver, remove the three
screws mounting the glastic high voltage
protective shield. Remove the shield.
5. Remove molex plug J40/J50 from the top of
the switch board. Refer to Figure F.28.
6. Remove the mylar insulating shield covering
leads 13/14 or 17/18. Cut the cable tie.