BOLT-SOCKET HEAD 8C3413 - Caterpillar

Illustration 1 g01848052
(1) O-ring seal
(2) 45 degree flare fitting
Table 1
Air Conditioning Fittings
Thread Size
Inch O-Ring Fitting End 45 Degree Flare Fitting End
Torque Torque for Steel Tubes Torque for Aluminum Tubes
5/8 13 2 N m (115 18 lb in) 30 5 N m (266 44 lb in) 25 4 N m (221 35 lb in)
3/4 25 4 N m (221 35 lb in) 50 8 N m (37 6 lb ft) 35 5 N m (26 4 lb ft)
7/8
1 40 6 N m (30 4 lb ft) 60 9 N m (44 7 lb ft) 40 6 N m (30 4 lb ft)
1 1/16 45 7 N m (33 5 lb ft) 70 11 N m (51 8 lb ft) 50 8 N m (37 6 lb ft)
Table 2
Quick Disconnect Air Conditioning Fittings
Thread Size
Inch Torque
7/8 45 7 N m (33 5 lb ft)
1 1/4 60 9 N m (44 7 lb ft)