TM9-4520-251-14
4-61 HEAT EXCHANGER AND HEAT EXCHANGER CASE
This task covers:
a. Removal
b. Inspection
c. Installation
Tools
Equipment Condition Para
Condition Description
Tool kit, service, refrigeration unit
4-54
Generator exhaust stack
(Appendix B, Section Ill, Item 1)
removed.
4-55
Shutter assembly removed.
4-60
Combustor removed.
Materials/Parts
Heat exchanger
Heat exchanger case
Drain tube
Elbow
Grommet
Location/ltem
Action
Remarks
REMOVAL
1.
Heat exchanger
Pull heat exchanger (1)
out of heat exchanger
case (2).
INSPECTION
2 .
Heat exchanger
Inspect for broken
welds, evidence of ex
haust leakage, and ex
cessive carbon or
sulphur buildup.
Check drain tube (3)
and elbow (4). Run
wire through drain
tube to be sure it is
not blocked. Replace
if defective.
3.
Drain tube
and elbow
4.
Heat exchanger
case
Inspect for broken welds and missing or damaged
grommet (5). Replace grommet if missing or
defective.
4-149