Sight Glasses; Electrical Contacts - Bitzer CSH6553-35Y Operating Instructions Manual

Screwed connections with aluminium gasket:
sealing screws, plugs and screwed nipples
Size
M10
M18 x 1,5
M20 x 1,5
M22 x 1,5
M26 x 1,5
M30 x 1,5
M48 x 1,5
G1/4
G1 1/4
①: Screwed nipple of pressure transmitter: 35 Nm
Sealing screws or plugs with O-ring
Size
1 1/8-18 UNEF
M22 x 1,5
M52 x 1,5
Sealing nuts with O-ring
Thread
3/4-16 UNF
1-14 UNS
1 1/4-12 UNF
1 3/4-12 UN
2 1/4-12 UN
AF: width across flats in mm
Gas permeable plugs
Size
M20 x 1,5

10.2 Sight glasses

Also mind when mounting or replacing:
• Tighten sight glasses only with calibrated torque
spanner to indicated torque. Do not use a pneumatic
impact wrench.
• Tighten flanges of sight glasses in several steps to
indicated torque.
78
30 Nm
60 Nm
70 Nm
80 Nm
110 Nm
120 Nm
300 Nm
40 Nm ①
180 Nm
50 Nm
40 Nm
100 Nm
AF
22 50 Nm
30 85 Nm
36 105 Nm
50 150 Nm
65 180 Nm
10 Nm
• Check sight glass visually in detail before and after
mounting.
• Test changed component for tightness.
Sight glasses with sealing flange
Screw size
M8
M10
Sight glasses with union nut
Size
1 3/4-12 UN
2 1/4-12 UN
AF: width across flats in mm
Screwed sight glass
Size
1 1/8-18 UNEF

10.3 Electrical contacts

DANGER
Danger of electrical shock!
Disconnect supply voltage of compressor.
Size
M4
M5
M6
M8
M10
M12
M16
①: Mount with a pair of wedge lock washers.
Tighten all screwed connections on terminal plate
manually with calibrated torque spanner to indicated
torque. Do not use any pneumatically driven tool.
14 Nm
18 Nm
AF
50 150 Nm
65 180 Nm
AF
36 50 Nm
Nut Screw
2 Nm
5 Nm
6 Nm
10 Nm
30 Nm 40 Nm ①
40 Nm ①
40 Nm ①
SB-170-10