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![]() TM 9-2320-363-20-2 
PRIMARY II AIR TANK AND FITTINGS REPLACEMENT 
This task covers: 
a. Removal 
b. Cleaning/Inspection 
c. Installation 
INITIAL SETUP 
Applicable Configuration: 
General Safety Instructions: 
All except M915A2 
WARNING 
 Make sure all air lines and 
Tools and Special Equipment: 
Tool Kit, SC 5180-90-CL-N26 
fittings are clear of debris. 
Make sure excess pipe 
Materials/Parts: 
sealant compound does not 
Compound, Pipe 
Appendix C, Item 8 
enter air lines or fittings. 
Sealing 
Appendix C, Item 8 
Failure to do so could result 
in equipment failure and/or 
Equipment Condition: 
injury to personnel. 
 Sealant compounds can burn 
Reference 
Condition Description 
easily, can give off harmful 
Page 2-28 
Air System Drained 
vapors, and are harmful to 
skin and clothing. To avoid 
injury or death, keep away 
from open fire and use in 
well-ventilated area. If sealant 
compound gets on skin or 
clothing, wash immediately 
with soap and water. 
REMOVAL 
NOTE 
Tag all tubes prior to disconnecting to aid in connecting. 
1. 
DISCONNECT TWO TUBES (1) FROM AIR TANK (2). 
2. 
REMOVE TWO NUTS (3), TWO SCREWS (4), AND AIR TANK (2). 
4-466 Change 3 
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