TM 55-2840-231-23
3-8.
Compressor Discharge Air Tube - Inspection - Continued
ENGINE/ - Continued
c. There are more than
four dents up to 1/8
inch (3.2 mm) deep in
areaa not affected by
weld joints.
d. Any dent is greater
than 11/2 inches (3.8
cm) in diameter.
3-9.
Compressor Discharge Air Tube - Weld-Repair (AVIM)
INITIAL SETUP
Applicable Configuration
Consumable Materials
All
Acetone (item 39, Appendix D)
Class 6 Weld Rod (item 40, Appendix D)
COMPRESSOR/
1. Compressor
Discharge Air
Tube
Acetone (item 39, Appendix D).
Weld-repair cracks in
the compressor dis-
charge air tubes as
follows:
a. Remove surface con-
tamination using a
stainless steel brush.
b. Clean the area with
acetone using a clean
cloth for the applica-
tion.
Class 6 Weld Rod (item 40, Appendix D).
c. Weld cracks using
inert gas arc and class 6
weld rod.
d. Do not grind weld
unless weld material ex-
tends into air path. Thin
out of material from
welding or grinding is
not permitted.
3-24
