3-50. CLOGGED HEATER EXCHANGE INTAKES
OR OUTLETS; CLOGGED FAN AND/OR
RELIEF VALVE OUTLET
3-51. Use anon-metallic brush or tool to remove foreign matter. If it is suspected that the heat exchange
vanes are plugged, remove power amplifier heat sink cover, as described in paragraph 3-44. Brush heat
exchanger vanes and, if necessary, flush them with water. Let the unit air dry.
3-52. DAMAGED CONNECTOR THREADS; BENT,
LOOSE, OR MISSING PINS;
3-53. If the connector threads are severely galled or the connector has bent or missing pins, the connec-
tor must be replaced. Note any damaged case assembly connectors (1A14J1, 1A14J2, 1A14J3, 1A14J1,
or 1A14J5) and notify nearest Maintenance Facility of the need for connector replacement. Other
connectors that do not break the water seal of Case Assembly 1A14 can be replaced as described in
Remove connector from applicable mounting.
Unsolder and tag each connector wire and discard defective connector.
Resolder wires and insert coaxial connectors, if necessary, to new connector.
Reassemble new connector to applicable mount. Remove light corrosion using a lint-free cloth
dampened with technical isopropyl alcohol (Specification MIL-I-10428). Excessively corroded connectors
must be replaced, as previously described.
OR MISSING CASE MARKINGS
OR CHIPPED PAINTED
3-55. If blurred or missing case markings or any scratched or chipped painted surfaces are noted during
inspection, record evidence and notify nearest Maintenance Facility of the need for retouching and/or
repainting affected areas.
3-56. MISSING AND/OR DAMAGED HARDWARE
3-57. Replace any missing and/or damaged hardware. See figures 3-2 and 3-29 through 3-64 for hardware
3-59. If any structural cracks or damage are noted during inspection, record evidence and notify nearest
Maintenance Facility (Fifth Echelon) for analysis and disposition of affected area.
3-61. Tighten and/or strap any loose cables or wires. Replace any frayed, cracked, broken, abraded, or
missing wires and any wires that show signs of excessive overheating. Restrip and reconnect any broken
wires, if possible; otherwise replace them.
3-62. SEIZED HEATSINK BLOWER
(VANEAXIAL FAN) 1A14B1
3-63. If rotor does not turn freely, replace fan, Refer to paragraphs 3-44 and 3-45 for removal and