Jacobsen HR 5111, Service And Repair Instructions

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O-Ring Boss Torque Recommendations
ORS (Face Seal) FITTINGS
(See Figure 8C-3)
Face seal fittings have O-ring grooves machined into
the flat male face. This O-ring and flat surface mate
against the mating fittings machined face.
The swivel nut can be retracted to inspect the O-ring
and fitting face without removal of tubes or compo-
nents.
Figure 8C-3. ORS (Face Seal) Fitting
Replacement O-Ring for ORS (Face Seal) Fittings
O-Ring Face Seal Torque Recommendations
HYDRAULICS
SECTION 8C. GENERAL INSTRUCTIONS
8C-3
8C
SAE
Dash Thread Tube Torque
Size Size O.D. In-Lbs.
3 3 ⁄
8
-24 0.188 96-120
4 7 ⁄
16
-20 0.250 168-192
5 1 ⁄
2
-20 0.312 216-240
6 9 ⁄
16
-18 0.375 288-312
8 3 ⁄
4
-16 0.500 600-720
10 7 ⁄
8
-14 0.625 864-960
12 1 1 ⁄
16
-12 0.750 1500-1620
14 1 3 ⁄
8
-12 0.875 1920-2160
16 1 5 ⁄
16
-12 1.000 2400-2640
20 1 5 ⁄
8
-12 1.250 2520-3360
24 1 7 ⁄
8
-12 1.500 3240-4320
SAE
Dash Thread Tube Torque
Size Size O.D. In-Lbs.
3 N/A N/A
4 9 ⁄
16
-18 0.250 120-144
5 N/A N/A
6 11 ⁄
16
-16 0.375 216-240
8 13 ⁄
16
-16 0.500 384-420
10 1-14 0.625 552-600
12 1 3 ⁄
16
-12 0.750 780-840
16 1 7 ⁄
16
-12 1.000 1104-1200
20 1 11 ⁄
16
-12 1.250 1500-1680
24 2-12 1.500 1800-3960
ORS (Face Seal) ORS (Face Seal) Jacobsen
Tube Size O-Ring Size Part No.
4 11 339908
6 12 339909
8 14 339910
10 16 339911
12 18 339912
16 21 339913
20 25 339914
24 29 339915