Table 2. Refrigerant Line Torque Specifications.

TM 9-2320-303-24-2

Table 2. Refrigerant Line Torque Specifications.

OUTSIDE DIAMETER OF

TORQUE FOR STEEL

TORQUE FOR ALUMINUM OR

METAL TUBE (in)

TUBES* lb-ft (Nm)

COPPER TUBES* lb-ft (Nm)

1/4

10-15 (14-20)

6-8 (8-11)

3/8

20-25 (27-34)

11-13 (15-18)

1/2

30-35 (41-47)

15-20 (20-27)

5/8

35-40 (47-54)

21-27 (28-37)

3/4

35-40 (47-54)

28-33 (38-45)

* When tightening fittings, always use torque reading for softer metal when unlike metals are used.

END OF WORK PACKAGE

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