2205B0JE-DA-J-N_2014.05.
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Screw Compressor J-series 7.2 List of Tightening Torques for Bolts and Nuts
7-25
Hexagon socket head cap screw /Hexagon head screw (280J)
Part
No.
Tightening point
Tightening
torque
N・m (kgf・cm)
Qty. Remarks
2
Suction cover
Bearing head
260(2600) 40
Hexagon socket head cap screw
M20×110
18 Bearing cover 260(2600) 16
Hexagon socket head cap screw
M20×70
24 Balance piston cover 260(2600) 13
Hexagon socket head cap screw
M20×70
45 Bearing gland 60(600) 12 Hexagon head screw M16×65
53 Shaft seal cover 52(520) 8
Hexagon socket head cap screw
M12×40
58
Gland, push rod for unloader slide
valve
50(500) 9
Hexagon socket head cap screw
M10×40
61 Unloader cylinder 260(2600) 2
Hexagon socket head cap screw
M20×110
62 Unloader cylinder 260(2600) 6
Hexagon socket head cap screw
M20×170
76 Unloader cover 130(1300) 8
Hexagon socket head cap screw
M16×60
81 Bearing gland 10(100) 3
Hexagon socket head cap screw
M6×15
247 Slide valve guide 50(500) 4
Hexagon socket head cap screw
M10×110
719 Vi position sensor rod housing gland 10(100) 4
Hexagon socket head cap screw
M6×25
723 Vi position sensor support 10(100) 2
Hexagon socket head cap screw
M6×25
726 Vi position sensor box 6(60) 4
Hexagon socket head cap screw
M5×15
728-5 E plug flange 110(1100) 2 Hexagon head screw M16×45
■
Hexagon socket
■
Connection flange taper screw plug
Tightening
point
Tightening
torque
N・m (kgf・cm)
Qty. Remarks
Size
Tightening
torque
N・m (kgf・
cm)
ANSI#300 3/4” 110(1100) 4 Hexagon head screw M16×45 R1/8 15(150)
ANSI#300 1” 110(1100) 4 Hexagon head screw M16×45 R1/4 25(250)
ANSI#300 1 1/4” 110(1100) 4 Hexagon head screw M16×45 R3/8 50(500)
ANSI#300 1 1/2” 140(1400) 4 Hexagon head screw M20×55 R1/2 60(600)
ANSI#300 2 1/2” 140(1400) 8 Hexagon head screw M20×65 R3/4 140(1400)
ANSI#300 3” 140(1400) 8 Hexagon head screw M20×65 R1 180(1800)
ANSI#300 5” 140(1400) 8 Hexagon head screw M20×65 R1 1/4 220(2200)
ANSI#300 8” 240(2400) 12 Hexagon head screw M22×80 R1 1/2 240(2400)
ANSI#300 12” 300(3000) 16 Hexagon head screw M30×100