Bitzer VSK41 Series Handleiding onderhoudsinstructies - Pagina 6
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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
3 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.
• 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
6
50 Nm
40 Nm
100 Nm
AF
22
50 Nm
30
85 Nm
36
105 Nm
50
150 Nm
65
180 Nm
10 Nm
14 Nm
18 Nm
AF
50
150 Nm
65
180 Nm
Screwed sight glass
Size
1 1/8-18 UNEF
4 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.
FI current bars at CSV.
Size
M10
Mount the screwed connection in this order: screw,
washer, FI connection, current bar, pair of wedge lock
washers, nut.
5 Solenoid valves
Fixing nuts of solenoid coil
Size
M10
M14
Screwed connection of electric connector M3: 1 Nm
50 Nm
Nut
Screw
2 Nm
5 Nm
6 Nm
10 Nm
30 Nm
40 Nm ①
40 Nm ①
40 Nm ①
56 Nm
5 Nm
15 Nm
SW-100-8