TM 9-2320-283-13&P
0023
0023-4
INSTALLATION, AIR TUBE – CONTINUED
5.
Tighten nut (figure 5, item 1) and measure gap A, in accordance with (IAW) table 1 below, to ensure
proper compression of ferrule on tube (figure 5, item 2).
6.
Repeat steps 4 and 5 for opposite end of tube (figure 5, item 2).
7.
If necessary, install new tie straps on tube (figure 5, item 2) as noted during removal.
TUBE O.D.
TIGHTEN NUT TO:
GAP “A”
1/4
77–103 lb-in. (8.7–11.6 N
•
m)
0.085–0.105
3/8
10–15 lb-ft (13.5–20.3 N
•
m)
0.125–0.145
1/2
22–30 lb-ft (29.8–40.6 N
•
m)
0.100–0.120
5/8
23–32 lb-ft (31.2–43.3 N
•
m)
0.115–0.135
3/4
34–45 lb-ft (46.1–61.0 N
•
m)
0.180–0.200
1
2
GAP A
Figure 5. Tightening Fitting Nut.
Table1. Tube Fitting Nut Torque Specifications.
END OF TASK