Case 2050M, Руководство оператора, Страница: 163 / 286

7 - MAINTENANCE
Torque data for O-ring face seal fittings
O-ring Face Seal (ORFS) Nominal
SAE dash
size
Nominal tube OD
Thread size Torque values
-4 6.350 mm
( 0.250 in )
9/16-18 23 - 26 N·m
( 17 - 19 lb ft )
-6 9.520 mm
( 0.375 in )
11/16-16 34 - 40 N·m
( 25 - 30 lb ft )
-8 12.700 mm
( 0.500 in )
13/16-16 52 - 57 N·m
( 38 - 42 lb ft )
-10 15.880 mm
( 0.625 in )
1-14 81 - 90 N·m
( 60 - 66 lb ft )
-12 19.050 mm
( 0.750 in )
1-3/16-12 117 - 128 N·m
( 86 - 94 lb ft )
-16 25.400 mm
( 1.000 in )
1-7/16-12 152 - 174 N·m
( 112 - 128 lb ft )
-20 31.750 mm
( 1.250 in )
1-11/16-12 179 - 201 N·m
( 132 - 148 lb ft )
-24 38.100 mm
( 1.500 in )
2-12 213 - 235 N·m
( 157 - 173 lb ft )
The values shown for O-ring boss ends are intended for steel fittings (with or without washers) with a cadmium and
chromate or a zinc and a chromate coating, assembled into a steel or grey iron housing.
7-7