ABB SF6 LTB 245E1 BLG 1002A - Gas Monitoring System

Assembly Instructions Pressurising the poles
1HSB435410-2 enrev1 31
6.3 Gas monitoring system
• Secure the protective tube (1) to the frame using pipe clips (2) and bolts, nuts
and washers (3).
• Fit a bushing (4) on each cable to be pulled through the protective tube and pull
through the cable.
• Also fit bushings to the other end of the protective tube.
• Connect the cable to the density monitor’s terminal blocks.
• Drill three 23 mm diameter holes in the flange (5) on the bottom of the
operating mechanism and fit cable glands (6) with sealing washers (7) and nuts
(8) in the holes.
• Insert the cable through the cable glands in the operating mechanism and
connect them to the terminal blocks as stated on the applicable operating
mechanism’s circuit diagram
• Tighten the cable glands (6) to secure the cables.
• Secure the cable to the frame’s leg using pipe clips (9) and nuts, bolts and
washers (10).
N.B. The cable ends for the density monitor should be as long as necessary so that
the density monitor can be disconnected from the non-return valve without
the need of disconnecting the cable.
Figure 6-3. Gas monitoring
Item
1 Protective tube
2 Pipe clips
3 Bolts M6x25
Nuts M6
Washers
6.4x15x1.5
Retaining washers
5 pcs.
5 pcs.
10 pcs.
5 pcs.
4 Bushing
5 Flange
6 Cable gland
7 Sealing washer
8 Nut
9 Pipe clips 4 pcs.
10 Bolts M5x20
Nuts M5
Washers 5.3x10x1
4 pcs.
4 pcs.
8 pcs.
5
6
7
9
8
10
B10078
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2
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