Part 6 Gas Conversion - Cobra CR6 Operation Manual

Gas Conversion Procedure
C
AUTI ON
Ensure that the unit is isolated from the gas
supply before commencing servicing.
NOTE:

These conversions should only be carried out by
qualified persons.
checked for leaks before re-commissioning the
appliance.

Adjustment of components
adjustments / settings sealed (e.g. paint sealed)
can only be carried out in accordance with the
following instructions and shall be re-sealed
before re-commissioning this appliance.

For all relevant gas specifications refer to the
table at the rear of this section.
Open Burners
1. Turn 'OFF' the gas supply at the main supply.
2. Remove the trivets
from the top of the
appliance, taking
note that the trivets
are manufactured
with a lip on one
edge, the lip must
always be fitted to the
outer edge (front and
back) of the Range.
3. Remove the burner caps and the burners (these
are a loose fit to the range) from the top of the
range, (On Flame Failure units, take care not to
damage the thermocouple which is fitted to the
mounting rail. Fitted as standard for UK Market
and optional for Non -UK Markets).
Flame Failure Burners
Part 6 Gas Conversion
:
All connections must be
that have
Std Burners
4. Remove all the trivet
supports from the top of
the appliance. Take note
of the orientation of the
trivet supports when
removing. The trivet
support front side rail
profiles are different from
the rear side rail profiles.
5. Unscrew and remove the
injectors (½" A/F) from
the gas cocks.
6. Determine the correct injector sizes for the
corresponding gas from the rating plate which is
attached to the underside of the right hand side
front, Range lower trim.
7. Replace with the correct size injectors. Refer to
the 'Gas Specifications' table at the rear of this
section, for correct injector sizes.
8. Refit all the trivet supports to the top of the
appliance. Note the orientation of the trivet
supports when re-fitting. The trivet support front
side rail profiles are different from the rear side
rail profiles and will only fit one way to the range.
9. Refit burners and burner caps onto the range.
10. Turn on the gas supply at the mains, re-light the
burners and check the flame size on the simmer
(LOW) position.
NOTE:
The right hand gas control valve supplies the rear
burner and the left hand gas control valve supplies
the front burner.
11. Refit the trivets to the top of the appliance,
taking note that the trivets are manufactured
with a lip on one edge, the lip must always be
fitted to the outer edge (front and back) of the
range.
Low Fire Adjustment
1. To adjust the
open burner low
fire adjustment,
remove the gas
control knobs
from the front of
the control
panel.
2. Adjust the low fire adjustment screw on the open
burner gas control valves to obtain the desired
flame size.
NOTE:
The 'Low Fire Screw' should be sealed with
coloured paint on completion of the low fire
adjustment.
14
Front
Rear
Low Fire Adjustment Screw