* Exception: mounting bolts of final pressure safety valve: 10 Nm
Instruction Manual Junior II
33
7. TABLES
TIGHTENING TORQUE VALUES
Unless otherwise specified in text, the fol
lowing torque values apply. All valve head
screws require torque wrench tightening!
The indicated torque values are valid for
bolts in greased condition. Replace 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
TORQUE SEQUENCE
Tighten valve head and cylinder bolts/nuts equally in the se
quence shown in Fig. 44.
Be sure to tighten all parts in cold condition only.
Fig. 44 Torque sequence
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