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CAP-215
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Instruction Manual Oil-Less Compressors
13. TABLES
13.1. TIGHTENING TORQUE VALUES
Unless otherwise specified in text, the following torque values apply. All
valve head screws require torque wrench tightening! The torque values
indicated are valid for bolts in greased condition. Replace self-retaining nuts
on reassembly
13.2. TORQUE SEQUENCE
Tighten valve head and cylinder bolts/nuts
equally in the sequence shown in Fig. 16.
Be sure to tighten all parts in cold condition only.
Figure 18: Torque sequence
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.)
Pipe connections (swivel nuts): Finger-tight + 1/2 turn