PN 12069 R072208
63
SPECIFICATIONS
TiGhTeninG FlaRe TYPe Tube FiTTinGS *
1. Check flare and flare seat for defects that might cause
leakage.
2. Align tube with fitting before tightening.
3. Lubricate connection and hand tighten swivel nut until
snug.
4. To prevent twisting the tube(s), use two wrenches.
Place one wrench on the connector body and with the
second tighten the swivel nut to the torque shown.
TiGhTeninG o-RinG FiTTinGS *
1. Inspect O-ring and seat for dirt or obvious defects.
2. On angle fittings, back the centerlock nut off until
washer bottoms out at top of groove.
3. Hand tighten fitting until back-up washer or washer
face (if straight fitting) bottoms on face and O-ring is
seated.
4. Position angle fittings by unscrewing no more than
one turn.
5. Tighten straight fittings to torque shown.
6. Tighten while holding body of fitting with a wrench.
FlaRe TYPe Tube FiTTinGS
Tube SiZe
o.d
nuT SiZe
acRoSS
FlaTS
ToRQue
value *
Recommended TuRnS
To TiGhTen
(aFTeR FinGeR TiGhTeninG)
(in.)
(in.)
(N.m)
(Ft-lb.)
(Flats)
(Turn)
1/5
2/5
8
6
1
1/6
1/4
4/7
12
9
1
1/6
1/3
5/8
16
12
1
1/6
3/8
2/3
24
18
1
1/6
1/2
7/8
46
34
1
1/6
5/8
1
62
46
1
1/6
3/4
1-1/4
102
75
3/4
1/8
7/8
1-3/8
122
90
3/4
1/8
* The torque values shown are based on lubricated connections as in
reassembly
o-RinG FiTTinGS
Tube SiZe
o.d
nuT SiZe
acRoSS
FlaTS
ToRQue
value *
Recommended TuRnS
To TiGhTen
(aFTeR FinGeR TiGhTeninG)
(in.)
(in.)
(N.m)
(Ft-lb.)
(Flats)
(Turn)
3/8
1/2
8
6
2
1/3
7/16
9/16
12
9
2
1/3
1/2
5/8
16
12
2
1/3
9/16
11/16
24
18
2
1/3
3/4
7/8
46
34
2
1/3
7/8
1
62
46
1-1/2
1/4
1-1/16
1-1/4
102
75
1
1/6
1-3/16
1-3/8
122
90
1
1/6
1-5/16
1-1/2
142
105
3/4
1/8
1-5/8
1-7/8
190
140
3/4
1/8
1-7/8
2-1/8
217
160
1/2
1/12
* The torque values shown are based on lubricated connections as in
reassembly
8.4 hYdRaulic FiTTinG ToRQue