TM 11-5820-921-40-1
3-37. ACCESS
AND/OR REMOVAL OF
DC-TO-DC CONVERTER ASSEMBLY 1A14A3
Refer to Detail C of figure 3-2. Use a No. 1 Phillips head screwdriver to loosen and remove the
1.
four 6-32 x .75 LG Phillips head screws and four No. 6 lockwashers that secure the dc-to-dc con-
verter assembly to the case assembly.
2.
Lift the dc-to-dc Converter Assembly and its wiring harness up away from the case assembly for
maintenance access. If removal is required, unsolder and tag all leads.
Prior to reassembly, apply heat sink compound (P/N 755017A4412) to the underside of the
3.
dc-to-dc converter assembly that touches the case assembly.
3-38. ACCESS
AND/OR REMOVAL OF
REGULATOR ASSEMBLY P/N 755017A4031
Refer to Detail C of figure 3-2. After component bracket (P/N 755017A4064) has been removed
1.
(refer to paragraph 3-36), use a No. 1 Phillips head screwdriver to loosen and remove the 8-32 x
.5 LG Phillips head screw, the No. 8 lockwasher, and the No. 8 flatwasher that secure regulator
assembly (P/N 755017A4031) to Case Assembly 1A14. If removal is required, unsolder and tag
all leads. Prior to reassembly, apply heat sink compound (P/N 755017A4412) to the underside
of the regulator assembly that touches the case assembly.
3-39. ACCESS
AND/OR REMOVAL OF
TRANSFORMER 1A14T1
Refer to Detail C of figure 3-2. Use a 4-inch adjustable wrench to disconnect the (T1) trans-
1.
former lead from the (T1) terminal lug (P/N 755017A9092-3).
2.
Use a No. 1 Phillips head screwdriver to loosen and remove the four 8-32 x 7/16 LG Phillips head
Case Assembly 1A14.
If removal is required, unsolder and tag all leads for replacement.
3.
3-40. ACCESS
AND/OR REMOVAL OF
CONNECTOR 1A14J10
1.
Refer to Detail C of figure 3-2. Use a No. 1 Phillips head screwdriver to loosen and remove the
two 2-56 x 5/16 LG Phillips head screws that secure connector 1A14J10 to two standoffs (P/N
755017A4017) mounted on Case Assembly 1A14.
If removal is required, unsolder and tag all leads for reassembly.
2.
ACCESS AND/OR REMOVAL OF CONNECTOR 1A14J11
Refer to Detail C of figure 3-2. Use a Phillips head screwdriver to loosen and remove the two
1.
2-56 x 5/16 LG Phillips head screws that secure connector 1Al4J11 to two standoffs (P/N
755017A4017) mounted on Case Assembly 1A14.
If removal is required, use Extraction Tool CET-C6B to punch out the two coaxial connectors at
2.
A1 and A2 of connector 1A14J11, tagging the coaxial connectors for identification. Unsolder and
tag all the remaining leads attached to connector 1A14J11 for reassembly identification.
ACCESS AND/OR REMOVAL OF CONNECTOR 1A14J12
Refer to Detail C of figure 3-2. Use a No. 1 Phillips head screwdriver to loosen and remove the two
1.
2-56 x 5/16 LG Phillips head screws that secure connector 1A14J12 to two standoffs P/N
755017A4017 mounted on Case Assembly 1A14.
2.
If removal is required, unsolder and tag all leads for reassembly identification.