Torque Specifications - Hypertherm HyPrecision 100D Instruction Manual

9.6 Torque Specifications

This specification chart applies to all fasteners used to make hydraulic and high-pressure connections.
This includes hydraulic flange fittings, proximity switch to end cap, hydraulic manifold to end cap, one-
inch intensifier nuts, and intensifier center-section cap screws. Torque values are for lubricated Grade 8
fasteners.
Specific Torques:
Intensifier Stud: 1 in. nut
Intensified Center: 7/8 in. cap screw
General Torques:
The torques below are to be applied only to those fasteners not listed above:
#10
1/4 in.
5/16 in.
3/8 in.
7/16 in.
1/2 in.
High Pressure Fitting Torques
1/4 in.
3/8 in.
9/16 in.
* 1 ft-lb = 12 in-lb
275 ft-lb (373 N-m)
275 ft-lb (373 N-m)
45 in-lb* (5.1 N-m)
105 in-lb* (11.9 N-m)
18 ft-lb (24N-m)
33 ft-lb (45 N-m)
53 ft-lb (72 N-m)
80 ft-lb (108 N-m)
15-25 ft-lb (20-34N-m)
35-45 ft-lb (47-60N-m)
60-75 ft-lb (80-100N-m)
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