TM 1-1520-238-23
Change 2 9-209
9.59.
AFT AVIONICS BAY ISOLATION TRANSFORMER FILTER BOX DISASSEMBLY/ASSEMBLY
(AVIM)
9.59.1. Description
This task covers:
Disassembly. Cleaning. Inspection. Assembly.
9.59.2. Initial Setup
Tools:
Electrical tool kit (item 378, App H)
Light duty laboratory apron (item 27, App H)
Chemical protective gloves (item 154, App H)
Ohmmeter (item 218, App H)
Socket removal tool (item 258, App H)
Adjustable air filtering respirator (item 262, App H)
25-watt electric soldering iron (item 332, App H)
Materials/Parts:
Electrical shielding gasket (table D-13A, App D)
Silicone adhesive (item 23, App F)
Isopropyl alcohol (item 106, App F)
Sealing compound (item 169, App F)
Sealing compound (item 174, App F)
Solder (item 189, App F)
Personnel Required:
68X
Armament/Electrical System Repairer
68X3F
Armament/Electrical System Repairer/
Technical Inspector
References:
TM 1-1520-238-T
TM 55-1500-323-24
9.59.3. Disassembly
a. Remove cover (1) from isolation transformer
filter box (2).
(1) Remove eight screws (3) and washers (4).
(2) Remove cover (1).
b. Remove electrical lead (5) from cover (1).
(1) Remove locknut (6), washer (7), and electri-
cal lead (5).
c. Remove bonding screw (8) from cover (1).
(1) Remove nut (9), lockwasher (10), two wash-
ers (7), and screw (8).
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