TM 11-6625-3081-23
5-39. SECONDARY HEAT SOURCE ASSEMBLY 2A3A1A17 REPAIR
5-39
This task covers replacement of:
Para
Item
1. Heat source A17
2. Microcircuit and heat sink
assembly
INITIAL SETUP
Fingercots (Item 25)
Rubber gloves (Item 26)
Tools
Thermal grease (Item 28)
Lens paper (Item 36)
Goggles
Nose-mouth shield (Item 42)
Nitrogen gas gun
Lacing tape (Item 44)
Masking tape (Item 45)
Materials (appendix C)
Personnel Required
Acetone (Item 1)
Isopropyl alcohol (Item 4)
39B ATE Repairer
Methyl alcohol (Item 5)
Applicator (Item 6)
Equipment Condition
Cheesecloth pad (Item 11)
Filter (Item 24)
Power removed (para 2-24.1)
1. HEAT SOURCE A17 REPLACEMENT
CAUTION
When reaching through shutter opening
do not attempt to reach into the
upper portion of the nightside test
bench.
The target wheel may be
damaged.
REMOVAL
a.
On front of nightside test bench
assembly, carefully open shutter
assembly (1) and tape in open
position in three places.
5-182
Change 2