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![]() TM 9-2320-363-20-2 
CONSTANT AIR JUNCTION BLOCK REPLACEMENT (CONT) 
NOTE 
Step 2 is for M915A2 only. 
Step 3 is for all except M915A2 only. 
Tag all tubes, connectors, and plugs prior to disconnecting/removal to aid in 
installation/connecting. 
2. 
DISCONNECT SIX TUBES (5). 
3. 
DISCONNECT FIVE TUBES (6). 
4. 
REMOVE TWO KEP NUTS (7), TWO WASHERS (8), TWO CAPSCREWS (9), AND CONSTANT AIR JUNCTION 
BLOCK (10). DISCARD KEP NUTS. 
NOTE 
Step 5 is for M915A2 only. 
Step 6 is for all except M915A2 only. 
5. 
REMOVE THREE CONNECTORS (11), CONNECTOR (12), TWO ELBOWS (13), AND THREE PLUGS(14) FROM 
CONSTANT AIR JUNCTION BLOCK (10). 
6. 
REMOVE TWO CONNECTORS (15), CONNECTOR (16), FITTING (17), ELBOW (18), AND FOUR PLUGS (19) 
FROM CONSTANT AIR JUNCTION BLOCK (10). 
4-518 Change 3 
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