TM
11-5820-921-40-1
When removing components from a pcb/pwb, apply heat sparingly to the lead of the part to be
6.
replaced. Remove the part from the board as the soldering heats the lead. Use an awl to clean the
component mounting holes prior to replacing component.
7.
Tin the leads of the replacement part. Align the leads with the pcb/pwb holes and carefully insert
the component. Bend the leads close to the pcb/pwb foil and cut them that approximately one-
sixteenth of an inch of lead protrudes below the board surface to be soldered. Hold the component
against the board and quickly solder the leads.
3-141. REPLACEMENT OF CONNECTORS
3-142. Any damaged Case Assembly 1A14 Connectors (J1, J2, J3, J4, or J5) should be repaired at the
nearest Depot Maintenance Facility. Other connectors can be replaced at a field maintenance facility.
Proceed as follows:
Remove connector from applicable mounting.
1.
2.
Unsolder and tag each connector wire and discard defective connector.
Resolder wires to new connector.
3.
4.
Reassemble new connector to applicable mount.
3-144. Prior to performing the subsequent operations, note and sketch orientation of relay terminals and
connecting wires.
Refer to Detail B of figure 3-29 and figure 3-63. Use a short No. 1 Phillips screwdriver and a four-
1.
inch adjustable wrench to loosen and remove the two component bracket retaining screws, lock-
washers, and hex nuts that secure the component bracket to the card cage assembly, after the pwb's
have been removed from the card cage assembly.
2.
Remove the card cage assembly as described in paragraph 3-31.
3.
Carefully lift the component bracket and wiring harness up high enough for accessibility.
4.
Use a No. 1 Phillips screwdriver to loosen and remove the relay terminal retaining screw and lock-
washers that secure all leads to the relay. Disconnect all leads from the relay.
Use a No. 1 Phillips screwdriver to loosen the relay retaining screw (on the back of the component
5.
bracket) that secures the relay to the component bracket. Remove the relay retaining screw and
the relay.
Reassemble the new relay to the component bracket in the reverse order of disassembly.
6.
3-146. Prior to performing the subsequent operations, note and sketch orientation of inductor connections.
1.
Refer to figure 3-63. Use a short No. 1 Phillips screwdriver and a four-inch adjustable wrench to
loosen and remove the two component bracket retaining screws, lockwashers, and hex nuts that
secure the component bracket to the card cage assembly, after the pwb's have been removed.
2.
Remove the card cage assembly as described in paragraph 3-34.
3.
Carefully lift the component bracket and wiring harness up high enough for accessibility.
4.
Use a No. 1 Phillips screwdriver and a four-inch adjustable wrench to loosen and remove the hard-
ware connecting the inductor leads to relay 1A14K1 and the small transformer pcb.
Use a No. 1 Phillips screwdriver and a four-inch adjustable wrench to loosen and remove the
5.
inductor retaining hardware that secures the inductor assembly to the component bracket. Remove
the inductor assembly.
6.
Reassemble the new inductor assembly in the reverse order of disassembly.
