13-27. REPLACEMENT OF CR1 DIODE. Continued
l. 12 captive
Use flat tip screwdriver. Install and hand
tighten the 12 captive screws securing
the rear access cover to the power sup-
ply adapter chassis. Use torque screw-
screwdriver. Torque screws to 8 to 10 in-lb.
13-28. REPLACEMENT OF CR3 OR CR4 DIODE.
Flat tip screwdriver
Power supply adapter
12 captive screws (3)
Rear access cover
Diode (4) wires
Hex nut (8), terminal
lug (7), flat washer (9),
insulated washer (10),
and mounting pad (6)
Set on work surface with rear toward
you. See figure 13-4.
Use flat tip screwdriver. Fully loosen and
inspect for damage. If damaged, obtain
Remove from chassis to allow access to CR3
or CR4 diode (4), and retain. See figure 13-5.
Tag the location of all wires on defective diode.
Use soldering kit. Desolder the wires from the
terminal post (5) of the diode.
Use 7/16-inch wrench. Remove and retain
hex nut, terminal lug, flat washer, insulated
washer, and mounting pad securing the
diode to the angle bracket (11) on the
power supply adapter chassis.
Remove and discard the defective diode.