4-56. REPLACEMENT OF ELECTRICAL BINDING POSTS E1A, E2A, E1B, AND E2B.
Tools:
Flat tip screwdriver
Soldering kit
Torque screwdriver
TM 11-5820-890-30-4
5/16-inch open-end wrench
Expendable Supplies:
Solder
References:
Alcohol
Cotton swabs
Paragraph 4-52 for removal and installation of 1-Watt Audio Amplifier CCA (5A2).
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting adapter
b. Access cover (1)
c. Wire
d. Electrical binding post
E1A, E2A, E1B, or
E2B (5)
INSTALLATION
e. Electrical binding posts
E1A, E2A, E1B, and
E2B (5)
f. Wire
g.
Access cover (1)
Set on work surface with right side
toward you.
Remove and retain access cover (1).
See figure 4-14. Refer to
paragraph 4-52 for access
cover removal procedures.
Using soldering kit, tag and desolder
See figure 4-16.
wire from defective binding post (5).
Using 5/16-inch open-end wrench, remove
and retain locknut and Iockwasher securing
defective binding post to chassis (10).
Remove and discard defective binding post.
Position replacement binding post on
These were removed in
chassis. Install retained Iockwasher and
step d.
locknut securing post to chassis. Using
5/16-inch open-end wrench tighten locknut.
Using soldering kit, solder tagged wire
These were removed in
to replacement binding post. Remove
step c.
wire tags.
Before and after soldering,
clean wires and posts with
alcohol and cotton swabs.
Install.
See figure 4-14.
These were removed in
step b. Refer to paragraph
4-52 for access cover
installation procedures.
4-165
