Conversion to alternative types of gas
Changing the main jets
Using a SW 10 socket spanner
loosen the main jets from their holder-
s, using a SW 13 spanner to counter-
hold.
Screw in the new main jets, once
again using the spanner to counter-
hold.
Changing the low setting jets
Using a small screwdriver, unscrew
the low setting jets in the gas fitting.
Pull the jets out with a pair of pliers,
select the jets as shown in the table
fit and secure.
Town gas A and B,
Town gas ref: TGL 280489 (10/82)
The low setting jets for natural gas E or
LL, or for liquid gas stay in the gas
valve fitting. Adjust the low setting
according to the table for gas flow
settings:
calorific
value
burning
value
gas flow
in l/min
HuB
(kWh/m
3
)
Ho, n
(kWh/m
3
)
normal
burner
strong
burner
3,7
4,0
4,3
4,6
4,9
5,2
4,6
4,7
4,9
5,5
5,7
5,9
1,17
1,08
1,01
0,94
0,88
0,83
2,03
1,88
1,74
1,63
1,53
1,44
Re-assemble the burner but do not
put the hob well back yet.
Turn the low setting jets to adjust the
gas flow . . .
. . . clockwise to increase.
. . . anti-clockwise to decrease.
After correctly adjusting, let the bur-
ners cool and take them apart again.
(See below for reassembly).
Conversion to alternative types of gas
23
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