Brandt SB4000, Operator'S Manual

Page: 143 / 145

132
(in) (in) (N.m) (lb-ft) (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 3/4 1/12
Torque
Values *
Recomm ended
Turns to Tighten
(after Finger
Tightening)
Nut Size
Across
Flats
Tube
Size
OD
(in) (in) (N.m) (lb-ft) (Flats) (Turn)
3/16 7/16 8 6 1 1/6
1/4 9/16 12 9 1 1/6
5/16 5/8 16 12 1 1/6
3/8 11/16 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
Torque
Values *
Recomm ended
Turns to Tighten
(after Finger
Tightening)
Nut Size
Across
Flats
Tube
Size
OD
8.3 Hydraulic Fitting Torque
Tightening JIC 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.
* The torque values shown are based on lubricated
connections as in reassembly.
Tightening O-Ring Fittings
1. Inspect O-ring and seat for dirt or
obvious defects.
2. On angle fittings, back the lock nut off
until washer bottoms out at top of
groove.
3. Hand tighten the fitting until the 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.
* The torque values shown are based on lubricated
connections as in reassembly.