Unigas G258A, Manual Of Installation - Use - Maintenance

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PART IV: MAINTENANCE
41
Adjusting the gas valves group and removing the filter
MultiBloc MBE
MultiBloc VD Mounting
Prese di pressione
0 Coper ro
A
A
B
B
C
C
D
D
E
F
F
E
1,3,4,6 T
2 Arre
5 T
1
3
p
e
0
p
a
5
p
Br
0
3
p
e
p
a
6
5
p
Br
1
1
0
5 3
6
2
2
Prese di pressione
MB-DLE
415 - 420 B01
MB-DLE
405..412
0, 1, 2, 3, 4, 5
2
p
e
p
Br
2
p
e
3
p
a
p
Br
5
0 3
p
a
2 3
5
0

Check the filter at least once a year!

Change the filter if the pressure difference between pressure connection 1 and 3 (Fig. 1-Fig. 3)is

p > 10 mbar.

Change the filter if the pressure difference between pressure connection 1 and 3 (Fig. 1-Fig. 3) is twice as high
compared to the last check.
You can change the filter without removing the fitting.
1
Interrupt the gas supply closing the on-off valve.
2 Remove screws 1 ÷ 4 using the Allen key n. 3 and remove filter cover 5 in Fig. 5.
3 Remove the filter 6 and replace with a new one.
4 Replace filter cover 5 and tighten screws 1 ÷ 4 without using any force and fasten.
5 Perform leakage and functional test, p
max.
= 360 mbar.
position
to push
1. Position VD on VB, fig. 2+3.
2. Slide VD forward up to the stop, fig. 4.
3. Screw VD on with 2 M5 screws for each, max. 5 Nm/44 in.-lb., fig. 5/6.
4. VD can be mounted rotated by 180°, fig. 7.
1
2
3
4
5
6
7