V5−A/05/14
Instruction Manual w VERTICUS 5 Compressor Units
D-39
17. TABLES
17.1. TIGHTENING TORQUE VALUES
Unless otherwise specified in text, the fol
lowing torque values apply. All valve
head screws require torque wrench tight
ening! The indicated torque values are
valid for bolts in greased condition. Re
place self-retaining nuts on reassembly.
Bolt or screw Thread Max. torque
Hex and allen head M 6 10 Nm (7 ft.lbs)
Hex and allen head M 8* 25 Nm* (18 ft.lbs)
Hex and allen head M 10 45 Nm (32 ft.lbs)
Hex and allen head M 12 75 Nm (53 ft.lbs)
Hex and allen head M 14 120 Nm (85 ft.lbs)
Hex and allen head M 16 200 Nm (141 ft.lbs)
Pipe connections (swivel nuts): Finger-tight + 1/2 turn
17.2. TORQUE SEQUENCE
Tighten valve head and cylinder bolts/nuts equally in the se
quence shown in Fig. 122.
Be sure to tighten all parts in cold condition only.
Fig. 122 Torque sequence
* Exception: mounting bolts of final pressure safety valve: 10
Nm
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