Product Manual B

WM006 FCP250-500-1000-EN Revision 1 - Sep 2019
32
Hydraulic Fittings
Tightening Taper Type 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 toque shown.
Tube Size
OD
Nut Size Across
Flats
Torque Value*
Recommended Turns to
Tighten (After Finger
Tightening)
(in.)
(in.)
(N.m)
(lb-ft)
(Flats)
(Turn)
3/16
1/4
5/16
3/8
1/2
5/8
3/4
7/8
7/16
9/16
5/8
11/16
7/8
1
1-1/4
1-3/8
8
12
16
24
46
62
102
122
6
9
12
18
34
46
75
90
1
1
1
1
1
1
3/4
3/4
1/6
1/6
1/6
1/6
1/6
1/6
1/8
1/8
* The torque values shown are based on lubricated connections as in
reassembly.