O-Ring Face Seal Hydraulic Fittings - MacDon R1 Series Operator's Manual

Table 7.8 O-Ring Boss (ORB) Hydraulic Fittings – Adjustable and Non-Adjustable (continued)
SAE Dash Size
-6
-8
-10
-12
-14
-16
-20
-24
-32

7.1.6 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, refer to the value specified in the procedure instead.
Torque values are shown in the Table
1. Ensure that the sealing surfaces and the fitting threads are
free of burrs, nicks, scratches, and any foreign material.
16. Torque values shown are based on lubricated connections as in reassembly.
262634
REFERENCE
Thread Size (in.)
9/16 18
3/4 16
7/8 14
1 1/16 12
1 3/16 12
1 5/16 12
1 5/8 12
1 7/8 12
2 1/2 12
7.9, page 338.
337
Torque Value
Nm
40 44
70 77
115 127
183 201
237 261
271 298
339 373
414 455
509 560
Figure 7.10: Hydraulic Fitting
16
lbf·ft (*lbf·in)
30 32
52 57
85 94
135 148
175 193
200 220
250 275
305 336
375 413
Revision A