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TM 11-5820-890-30-5
Long nose pliers
Torque wrench
15-32. REPLACEMENT OF S1 PUSHBUTTON SWITCH.
Tools:
Cross tip screwdriver
Soldering kit
Socket wrench
Soldering aid
9/16 inch socket
Heat sink
Expendable Supplies:
Solder
Alcohol
Cotton swabs
References:
Paragraph 15-20 for removal and installation of mounting plate assembly.
ITEM
ACTION
REMARKS
REMOVAL
a. Mounting plate
assembly (2)
b. Battery tray
subassembly (1)
c. S1 pushbutton switch (16)
wires (2)
d. Hex nut and IET
Iockwasher
e. S1 pushbutton
INSTALLATION
f. S1 pushbutton
switch (16)
switch (16)
g. Hex nut and IET
Iockwasher
h. S1 pushbutton switch (16)
wires (2)
i.
Mounting plate
assembly (2)
Remove and retain.
Set upside down on work surface with
left side toward you.
Tag the destination of each wire on S1
pushbutton switch. Use long nose pliers
and soldering equipment. Desolder four
wires from switch contacts. See figures
15-5 and 15-6.
Use socket wrench and 9/16 inch socket.
Remove and inspect hex nut and IET
Iockwasher securing S1 pushbutton
switch (16) to chassis. If damaged,
obtain replacement.
Remove and discard.
Obtain replacement S1 pushbutton switch.
Install and hand tighten retained hex nut
and IET Iockwasher securing S1 pushbut-
ton switch to chassis. Use torque wrench
and 9/16 inch socket. Torque nut to
20 in-lb.
Use long nose pliers and soldering equip-
ment. Attach and solder tagged wires to
correct contacts on pushbutton switch,
and remove wire tags.
Install retained mounting plate assembly
on battery tray subassembly (1).
Refer to paragraph 15-20
for removal of mounting
plate assembly.
These were removed in
step d.
Before and after soldering,
clean wires and contacts
with alcohol and cotton
swabs.
Refer to paragraph 15-20
for installation of mounting
plate assembly.
15-35
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