Curtis OL 512 User Manual download pdf (Page 44)

CAP-215

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

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 50 51 52

No comments

Curtis OL 512 User Manual Page 44