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TM 9-2320-304-14&P
4-148
Organizational Maintenance Instructions (Cont)
4-26. GENERAL INSTALLATION INSTRUCTIONS (CONT).
c. Torquing. Tighten bolts, screws, washers, hoses, and fittings as required in Appendix J or in each
maintenance task.
d. Identification Tags. Put hoses, tubes, lines, and electrical wiring in place by matching
identification tags and markings on equipment.
e. Hoses, Air Lines, and Wiring. After installing hoses, air lines, and wiring, ensure that they do
not contact moving parts or component edges. Secure in place, out of way, with cable ties and cushion
clips.
f. Hose and Fitting Tightening Procedure.
NOTE
Tighten hoses and fittings as required in Appendix
J or in each maintenance task. If a torque wrench
and crowsfoot are not available or cannot be used,
use the following procedure:
(1) Install hose nut (1) on fitting (2).
NOTE
When turning effort increases, hose nut seat is in
contact with fitting seat.
(2) Tighten hose nut (1) until seated on fitting (2).
NOTE
Alinement marks allow the mechanic to count the number of flats the hose nut has rotated
during tightening.
(3) Scribe alinement mark on hose nut (1) and fitting (2).
(4) Tighten hose nut (1) until mark on hose nut has rotated correct number of flats (refer to
Table 4-4).
Table 4-4. Recommended Flats Rotation
Dash
No.
JIC 37 Degree
Flared Hose and Fitting
Machined Seat
SAE 45 Degree
Flared Hose and Fitting
Machined Seat
JIC 37 Degree
Flared Tube
-4
1 1/2 - 1 3/4
1 - 1 1/4
2 1/4 - 2 3/4
-5
1 - 1 1/2
1 - 1 1/4
2 1/4 - 2 3/4
-6
1 - 1 1/2
3/4 - 1
2 1/4 - 2 3/4
-8
1 1/4 - 1 3/4
1 - 1 1/4
2 1/4 - 2 3/4
-10
1 1/4 - 1 3/4
1 - 1 1/4
2 - 2 /2
-12
1 - 1 1/2
1 - 1 1/4
2 - 2 /2
-16
3/4 - 1
-----
2 1/4 - 2 3/4
-20
1/2 - 3/4
-----
1 1/4 - 2 3/4
-24
1/2 - 3/4
-----
3/4 - 1 1/4
-32
3/4
-----
1 - 1 1/4
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