O-Ring Face Seal Hydraulic Fittings - MacDon M1 Series Unloading And Assembly Instructions

Table 6.9 O-Ring Boss (ORB) Hydraulic Fittings – Non-Adjustable
SAE Dash Size
-2
-3
-4
-5
-6
-8
-10
-12
-14
-16
-20
-24
-32

6.3.5 O-Ring Face Seal Hydraulic Fittings

The standard torque values are provided for O-ring face seal hydraulic fittings. If a procedure specifies a different torque
value for the same type and size of fitting found in this topic, use the value specified in the procedure instead.
Torque values are shown in following table below.
1. Check the components to ensure that the sealing surfaces
and the fitting threads are free of burrs, nicks, scratches,
and any foreign material.
8. Torque values shown are based on lubricated connections as in reassembly.
215620
REFERENCE
Thread Size (in.)
5/16–24
3/8–24
7/16–20
1/2–20
9/16–18
3/4–16
7/8–14
1 1/16–12
1 3/8–12
1 5/16–12
1 5/8–12
1 7/8–12
2 1/2–12
245
Torque Value
Nm
6–7
12–13
19–21
21–33
26–29
46–50
75–82
120–132
153–168
176–193
221–243
270–298
332–365
Figure 6.9: Hydraulic Fitting
8
lbf·ft (*lbf·in)
*53–62
*106–115
14–15
15–24
19–21
34–37
55–60
88–97
113–124
130–142
163–179
199–220
245–269
Revision A