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Cobra CB6 Installation And Operation Manual

Made by: Cobra
Type: Installation And Operation Manual
Category: Grill
Pages: 16
Size: 0.42 MB

 

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600mm Gas Barbeque 

M o d e l     C B 6  

I N S T A L L A T I O N     A N D     O P E R A T I O N     M A N U A L  

230582-3

For use in GB & IE 

 


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The reproduction or copying of any part of this manual by any means whatsoever is strictly forbidden unless qualified 
previously in writing by the manufacturer. 

In line with policy to continually develop and improve its products, Moffat Ltd. reserves the right to change the 
specifications and design without prior notice. 

©  Copyright Moffat Ltd.  November 2007. 

MANUFACTURED BY

Moffat Limited 
PO Box 10001 
Christchurch 
New Zealand 
Ph: 

(03) 389 1007 

Fax: 

(03) 389 1276 

WORLD-WIDE BRANCHES

UNITED KINGDOM 

Blue Seal 
Unit 67, Gravelly Business Park 
Gravelly Park 
Birmingham  
West Midlands 
B24 8TQ 
Ph: 

(121) 327 5575 

Fax: 

(121) 327 9711 

UNITED STATES 

Moffat Inc 
3765 Champion Blvd 
Winston-Salem 
North Carolina 27115 
Ph: 

(336) 661 0257 

Fax: 

(336) 661 9546 

CANADA 

Serve Canada 
22 Ashwarren Road 
Downview 
Ontario M3J1Z5 
Toll Free:800 263 1455 
Ph: 

(416) 631 0601 

Fax: 

(416) 631 0315 

info@servecanada.com  
www.servecanada.com 
www.moffat.com 

NEW ZEALAND

Christchurch

Auckland

Moffat Limited 

Moffat Limited 

PO Box 10-001 

4 Waipuna Road 

16 Osborne Street 

Mt Wellington 

Christchurch Auckland 
Ph: 

(03) 389 1007 

Ph: 

(09) 574 3150 

Fax: 

(03) 389 1276 

Fax: 

(09) 574 3159 

AUSTRALIA

Victoria

New South Wales

Moffat Pty Limited 

Moffat Pty Limited 

740 Springvale Road 

3/142 James Ruse Drive, Rose Hill 

Mulgrave, Melbourne 

PO Box 913, Smithfield 

Victoria 3171 

Sydney, N.S.W. 2142 

Ph: 

(03) 9518 3888 

Ph:    (02) 8833 4111 

Fax: 

(03) 9518 3838 

Fax:   (02) 8833 4133 

Western Australia

Queensland

Moffat Pty Limited 

Moffat Pty Limited 

67 Howe Street 

30 Prosperity Place 

Osbourne Park 

Geebung, Brisbane 

WA 6017   

Queensland 4034 

Ph: 

(08) 9202 6820 

Ph:  

(07) 3630 8600 

Fax: 

(08) 9202 6836 

Fax     (07) 3630 8623 

 


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1

Contents

CB6 Gas Barbeque 

Part 1 

Introduction  ..................................................................................... 2 

Part 2 

Specifications .................................................................................. 3 

Part 3 

Installation ........................................................................................ 4 

Part 4 

Operation ......................................................................................... 6 

Part 5 

Cleaning and Maintenance ........................................................... 7 

Part 6 

Gas Conversion ............................................................................... 9 

Part 7 

Replacement Parts List .................................................................. 13 

 


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We are confident that you will be delighted with your 

Cobra Series 

Barbeque, and it will become a most  

valued appliance in your commercial kitchen. 

To ensure you receive the utmost benefit from your new 

Cobra

Appliance, there are two important things 

you can do. 

Firstly: 

Please read this instruction book carefully and follow the directions given.  The time taken will be well 
spent.

Secondly: 

If you are unsure of any aspect of the installation, instructions or performance of your appliance,  
contact your 

Cobra Series 

appliance dealer promptly.  In many cases a phone call could answer your 

question. 

CE Only: 

These instructions are only valid if the country code appears on the appliance.  If the code does not  
appear on the appliance, refer to the supplier of this appliance to obtain the technical instructions for 
adapting the appliance to the conditions for use in that country. 

WARNING:

I

MPROPER INSTALLATION

,

ADJUSTMENT

,

ALTERATION

,

SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE

,

INJURY OR DEATH

.

R

EAD THE INSTALLATION

,

OPERATING AND MAINTENANCE INSTRUCTIONS THOROUGHLY BEFORE INSTALLING OR SERVICING THIS

APPLIANCE

.

WARNING:

INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE USER SMELLS GAS ARE TO BE POSTED IN A PROMINENT LOCATION

.

THIS INFORMATION

SHALL BE OBTAINED BY CONSULTING THE LOCAL GAS SUPPLIER

.

WARNING:

G

REAT CARE MUST BE TAKEN BY THE OPERATOR TO USE THE EQUIPMENT SAFELY TO GUARD IT AGAINST RISK OF FIRE

.

x

T

HE APPLIANCE MUST

 NOT 

BE LEFT ON UNATTENDED

.

x

I

T IS RECOMMENDED THAT A REGULAR INSPECTION IS MADE BY A COMPETENT SERVICEMAN TO ENSURE CORRECT AND SAFE

OPERATION OF YOUR APPLIANCE IS MAINTAINED

.

x

DO NOT 

STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPOURS OR LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER

APPLIANCE

.

x

DO NOT SPRAY AEROSOLS IN THE VICINITY OF THIS APPLIANCE WHILE IT IS IN OPERATION

.

C

A U T I O N

:

This appliance is; 

x

For professional use and is to be used by qualified persons only. 

x

Only qualified service persons are allowed to carry out installation, servicing and gas 
conversion operations. 

x

Components having adjustments protected (e.g. paint sealed) by the manufacturer 
should not be adjusted by the user/operator. 

x

DO NOT operate the appliance without the legs supplied fitted. 

2

Part 1 Introduction 

 


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3

Gas Connection 

Gas supply connection point is located at the rear 
of the appliance, approximately 215mm from the 
left hand side and 535mm from the floor and is  
entered from beneath the appliance.

Connection is ½ BSP male. 

Dimensions

CB6 

GAS BARBEQUE  (600mm)

Part 2 Specifications

Model Covered in this Specification -

CB6 GAS 

BARBEQUE. 

General 

A commercial heavy duty, fully modular, gas fired 
barbeque created for modular kitchens supplied in 
a 600mm wide option.  The barbeque is fitted with  
branding grates and aluminised steel burners, with  
individual ‘Hi'-'Lo' gas control to each burner.  The 
burners are fitted with piezo ignited permanent pilot 
and flame failure protection for each burner. 

Gas Supply Requirements 

- Non - UK Only:

- UK Only:

NOTE: (*) 

The burner operating pressure is to be measured at 
the manifold test point with all burners operating at 
the 'High Flame' setting.  The operating pressure is 
ex-factory set and is not to be adjusted, apart from 
when converting between gasses, if required.  Refer 
to the ‘Gas Conversion Instruction Sheet' for this  
appliance for further details. 

Natural Gas 

LP Gas 

(Propane) 

Input Rating 

66.0 MJ/hr 

66.0 MJ/hr 

(N.H.G.C.) 

(62,500 Btu/hr) 

(62,500 Btu/hr) 

Supply Pressure  

1.13 - 3.40 kPa 

2.75 - 4.50 kPa 

(4.5” - 13.5” w.c.) 

(11” - 18” w.c.) 

0.95 kPa (*) 

2.60 kPa (*) 

(3.8” w.c.) 

(10.0” w.c.) 

Gas Connection 

½

"

 BSP Male 

Burner Operating 
Pressure  

Nat Gas 

(G20)  

Propane 

(G31) 

Heat Input (nett) 

Nominal

18.0 kW 

18.0 kW 

Reduced

6.0 kW 

6.4 kW 

Gas Rate (nett) 

Nominal

1.90 m

3

/hr

1.40 kg/hr 

Reduced

0.63 m

3

/hr

0.50 kg/hr 

Supply Pressure 

20 mbar 

37 mbar 

Burner Operating Pressure 

10 mbar (*) 

26 mbar (*) 

Gas Connection 

½

"

 BSP Male 

 


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4

Location

1.  Installation must allow for a sufficient flow of 

fresh air for the combustion air supply. 

2.  This appliance must be installed in a suitably  

ventilated room to prevent dangerous build up 
of combustion products. 

Combustion Air Requirements

Natural Gas   

18 m³/hr minimum. 

LPG / Propane  18 m³/hr minimum. 

3.  Position the appliance in its approximate 

working position. 

4.  All air for burner combustion is supplied from 

underneath the appliance.  The legs must 
always be fitted and no obstructions placed on 
the underside or around the base of the 
appliance, as obstructions will cause incorrect 
operation and/or failure of the appliance. 

5.  Components having adjustments protected 

(e.g. paint sealed) by manufacturer are only 
allowed to be adjusted by an qualified service 
agent.  They are not to be adjusted by the  
installation person. 

NOTE:
Do not obstruct or block the appliances flue.  Never 
directly connect a ventilation system to the 

 

appliance flue outlet. 

Clearances 

NOTE:
Only non-combustible materials can be used in 
close proximity to this appliance. 

Any gas burning appliance requires adequate 
clearance and ventilation for optimum and trouble-
free operation.  The following minimum installation 
clearances are to be adhered to: 

Assembly

This model is delivered completely assembled.   
Ensure that the rear castors and front feet are  
securely attached. 

NOTE:
This appliance is fitted with adjustable front feet to 
enable the appliance to be positioned securely and 
level.  This should be carried out on completion of 
the gas connection.  Refer to the 'Gas Connection' 
section.

Part 3 Installation

Installation Requirements 

NOTE:
It is most important that this appliance is installed 
correctly and that operation is correct before use.  
Installation shall comply with local, gas, health and 
safety requirements. 

This appliance shall be installed with sufficient 

 

ventilation to prevent the occurrence of 

 

unacceptable concentrations of health harmful 

 

substances in the room, the appliance is installed in. 

Cobra Series Barbeque's are designed to provide 
years of satisfactory service and correct installation 
is essential to achieve the best performance,  
efficiency and trouble-free operation. 

This appliance must be installed in accordance with 
National installation codes and in addition, in  
accordance with relevant National / Local codes 
covering gas and fire safety. 

Australia:

AS 5601 - Gas Installations. 

New Zealand: 

 

NZS 5261 - Gas Installation. 

United Kingdom: 

 

Gas Safety (Installation and Use) Regulations 
1998. 

 

BS6173 - Installation of catering Appliances. 

 

BS5440 - 1 & 2 Installation Flueing & Ventilation. 

Ireland:

 

IS 820 - Non Domestic Gas Installations. 

Installations must be carried out by qualified 

 

service persons only.  Failure to install equipment to 
the relevant codes and manufacturer’s 

 

specifications shown in this section will void the  
warranty.

Components having adjustments protected (e.g. 
paint sealed) by manufacturer, are only allowed to 
be adjusted by an qualified service agent.  They are 
not to be adjusted by the installation person. 

Unpacking 

x

Remove all packaging and transit protection 
from the appliance including all protective  
plastic coating from the door outer panel and  
exterior stainless steel panels. 

x

Check equipment and parts for damage.  
Report any damage immediately to the carrier 
and distributor. 

x

Report any deficiencies to the distributor who  
supplied the appliance. 

x

Check that the available gas supply is correct to 
that shown on the rating plate attached to the 
underside of the R/H side, front hob lower trim. 

Combustible

Surface

Non Combustible 

Surface

LH / RH 

Side 

200 mm 

0 mm 

Rear

100 mm 

0 mm 

 


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5

NOTE:
A Manual Isolation Valve must be fitted to the  
individual appliance supply line. 

5.  Correctly locate the appliance into its final 

operating position and using a spirit level, adjust 
the legs so that the unit is level and at the 
correct height. 

6.  Connect the gas supply to the appliance. 

7.  Verify the operating pressure is as shown in the 

'Specifications Section'. 

8.  Check all gas connections for leakages using 

soapy water or other gas detecting equipment. 

NOTE:
The operating pressure to be measured at the 

 

manifold test point and with two burners operating 
at the ‘High Flame’ setting. 

9.  Turn ‘OFF’ the mains gas supply and bleed the 

gas out of the appliance gas lines. 

10. Turn ‘ON’ the gas supply and the appliance. 

11. 

Verify the operating pressure remains correct.

Commissioning

The following commissioning checks must be 
carried out before the barbeque is handed over for 
use, to ensure that the unit operates correctly and 
the operator(s) understand the correct operating 
procedure.

1.  Before leaving the new installation; 

a.  Check the following functions in accordance 

with the operating instructions specified in 
the “Operation” section of this manual. 

x

Light the Pilot Burners. 

x

Light the Main Burners. 

x

Check the Low Fire Burner Operation. 

x

Check the High Fire Burner Operation. 

b.  Ensure that the operator has been instructed 

in the areas of correct lighting, operation, 
and shutdown procedure for the appliance. 

2.  This manual must be kept by the owner for future 

reference and a record of 

Date of Purchase

,

Date of Installation 

and

Serial Number of Unit 

recorded and kept with this manual.  

(These

details can be found on the rating plate
attached to the underside of the R/H side, front 
hob lower trim.  (Refer to the “Gas Connection” 
section).

NOTE:
If for some reason it is not possible to get the  
appliance to operate correctly, contact the suppler 
of this appliance. 

Part 3 Installation

Gas Connection 

NOTE:
ALL GAS FITTING MUST ONLY BE CARRIED OUT BY A 
QUALIFIED SERVICE PERSON. 

1.  Cobra Model Barbeques do not require an 

electrical connection, they function totally on 
the gas supply only. 

2.  It is essential that the gas supply is correct for the 

appliance being installed and that adequate 
supply pressure and volume are available.  The 
following checks should be made before 
installation is commenced:- 

a. 

The Gas Type 

the appliance has been  

supplied for is shown on coloured stickers  
located above the gas entry point and next 
to the rating plate.  Check that this is correct 
for the gas supply the appliance is being  
installed for.  The gas conversion procedure is 
detailed in the ‘Gas Conversion Instruction 
Sheet' for this appliance. 

b. 

Supply Pressure 

required for this appliance is 

shown in the “Specifications” section of this 
manual.  Check the gas supply to ensure that 
adequate supply pressure exists. 

c. 

Input Rate 

of this appliance is also stated on 

the Rating Plate located on the underside of 
the R/H side, front hob lower trim, and in the 
“Specifications” section of this manual.  The 
input rate should be checked against the 
available gas supply line capacity.  

Particular

note should be taken if the appliance is
being added to an existing installation.

NOTE:
It is important that adequately sized piping runs 
directly to the connection joint on the appliance, 
with as few tees and elbows as possible to give 
maximum supply volume. 

3.  Fit the gas regulator supplied, into the gas supply 

line as close to the appliance as possible. 

The regulator connections are 

½

" BSP female. 

The connection is 

½

" BSP male. 

(Refer to the ‘Specifications’ section for the 
gas supply location dimensions). 

NOTE:
The gas pressure regulator provided with this 
appliance is convertible between Natural Gas and 
LPG and is already converted ex-factory to the gas 
type labelled beside the gas connection point.  The 
regulator outlet pressure is fixed ex-factory and it is 
NOT to be adjusted.

4.  A suitable joining compound which resists the 

breakdown action of LPG must be used on 
every gas line connection, unless compression 
fittings are used. 

WARNING:

D

O NOT USE A NAKED FLAME TO CHECK FOR GAS LEAKAGES

.

 


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6

Lighting the Pilot Burner 

NOTE:
All Barbeque models incorporate the push button 
piezo ignition system for each individual pilot 
burner.

1.  Depress the gas control knob and rotate anti-

clockwise to the ‘PILOT’ position. 

2.  With the gas control knob held in the depressed 

position, depress the piezo igniter button located 
on the front control panel to the right of the gas 
control knob, until the pilot burner ignites.  .  
(Each depression operation of the piezo igniter 
button will generate a single spark).  Pilot ignition 
can be viewed through openings in the plastic 
surround fitted to the piezo igniter button. 

3.  Hold in the gas control knob for approximately 

10-15 seconds, then release.  The pilot burner 
should remain alight.  (If not repeat Items 2 and 
3 above). 

Lighting the Main Burner 

1.  Turn the gas controls anti-clockwise to first stop 

(‘FULL’ flame position) and allow the griddle 
plates to heat up to the operating temperature. 

2.  ‘LOW’ flame can be achieved by depressing 

the gas control knob and rotating fully anti-
clockwise. 

3.  For intermediate heat, position the gas control 

knob between the ‘HIGH’ and ‘LOW’ positions to 
achieve the desired heat. 

4.  During idle periods, the main burners can be 

turned down to maintain an appropriate plate  
temperature or the gas controls can be set to 
the ‘PILOT’ position as required. 

NOTE:

x

Always set the gas control knob to the ‘HIGH’  
position when lighting the main burners. 

x

If the pilot burner goes out during normal 

 

operation, wait 5 minutes before attempting to  
re-light the pilot burner. 

Part 4 Operation

Operation Guide 

1.  The Cobra Barbeques have been designed to 

provide simplicity of operation and 100% safety  
protection. 

2.  Improper operation is therefore almost 

impossible, however bad operation practices 
can reduce the life of the barbeque and 
produce a poor quality product.  To use this  
barbeque correctly please carefully read the 
following sections. 

x

Lighting the Pilot Burner. 

x

Lighting the Main Burner. 

Description of Controls 

C

AUTI ON

:

x

This appliance is for professional use and 
is only to be used by qualified people. 

x

Only qualified service persons should be 
u s e d   t o   c a r r y   o u t   i n s t a l l a t i o n , 

 

servicing or gas conversion operations. 

x

C o m p o n e n t s   h a v i n g   a d j u s t m e n t s 

 

protected (e.g. paint sealed) by the 

 

manufacturer should not be adjusted by 
the user/operator. 

Piezo Igniter 

Gas Control Knob 

ѿ

   OFF Position. 

   Pilot Burner. 

      HIGH Flame. 

      LOW Flame. 

Should any abnormal operation like; 
    - ignition problems, 
    - abnormal burner flame, 
    - burner control problems, 
    - partial or full loss of burner flame in normal 

operation,

be noticed, the appliance requires IMMEDIATE 
service by a qualified service person and shall not 
be used until such service is carried out. 

IMPORTANT

 


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7

CORRECT LEVEL FOR FRYING MEDIUM WHEN AT 
FRYING TEMPERATURE, KEEP TOPPED UP 

INDICATES CORRECT FRYING MEDIUM LEVEL 
WHEN COLD 

Weekly Cleaning 

NOTE:

x

If the Barbeque usage is very high, we 

 

recommend that the weekly cleaning procedure 
is carried out on a more frequent basis. 

x

Ensure that protective gloves are worn during the 
cleaning process. 

x

DO NOT use harsh abrasive detergents, strong 
solvents or caustic detergents as they will 

 

damage the range and burners. 

x

DO NOT use water on the Barbeque while the 
grates are still hot as warping may occur.  Allow 
these items castings to cool and remove for 
cleaning.

Grates (Cast Iron) 

a.  Clean the grates thoroughly with a wire brush 

or a flexible spatula. 

b.  A scraper tool can be used for the removal of 

stubborn carbon and deposits. 

c.  Clean with hot water, a recommended  

detergent solution and a scrubbing brush.  
Dry all components thoroughly with a dry 
cloth. 

d.  The barbeque should be switched on briefly 

to ensure the grates becomes dry.  A thin film 
of cooking oil should be spread over the 
grates in order to form a protective film. 

Radiants (Cast Iron) 

a.  Clean the radiants thoroughly with a wire 

brush or a flexible spatula. 

b.  A scraper tool can be used for the removal of 

stubborn carbon and deposits. 

c.  Clean with hot water, a mild detergent  

solution and a scrubbing brush.  Dry all  
radiants thoroughly with a dry cloth. 

Main Burners 

a.  The main burners can be cleaned with hot 

water, a recommended detergent solution 
and a scrubbing brush.  Ensure that any  
excess water is removed from inside the  
burners.  Dry all burners thoroughly with a dry 
cloth. 

b.  Ensure that the burners are fitted correctly 

over the main injectors and are located 
properly into the recesses in the barbeque. 

Stainless Steel Surfaces 

a.  Clean the exterior surfaces of the barbeque 

with hot water, a mild detergent solution and 
a soft scrubbing brush.  Note that the gas 
control knobs are a push fit onto the gas  
control valve spindles and can be removed 
to allow cleaning of the front control panel. 

b.  Baked on deposits or discolouration may  

require a good quality stainless steel cleaner 
or stainless steel wool.  Always apply cleaner 
when the appliance is cold and rub in the 
direction of the grain. 

Part 5 Cleaning and Maintenance

General 

Clean the Barbeque regularly.  A clean barbeque 
looks better, will last longer and will perform better.   
Carbonised grease on the surface or on the  
barbeque will hinder the transfer of heat from the 
cooking surface to the food.  This will result in loss of 
cooking efficiency. 

NOTE:

x

DO NOT use water on the Barbeque while this 
item is still hot as warping and cracking may 
occur.  Allow the barbeque to cool down before 
cleaning.

NOTE:

x

DO NOT use abrasive detergents, strong solvents 
or caustic detergents as they could corrode or 
damage the barbeque. 

x

In order to prevent the forming of rust on the  
barbeque, ensure that any detergent or cleaning 
material has been completely removed after 
each cleaning.  The appliance should be 
switched on briefly to ensure the barbeque 

 

becomes dry.  Oil or grease should be spread 
over the barbeque cooking surface in order to 
form a thin protective greasy film.

To keep your barbeque clean and operating at 
peak efficiency, follow the procedures shown  
below:- 

After Each Use 

Clean the barbeque regularly to remove any food 
debris. 

Daily Cleaning 

1.  The spill tray should be checked and emptied 

frequently to prevent overflow and spillage.  
Remove the spill tray while still warm so that the 
grease is in a liquid state.  Empty any grease 
from the tray and wash thoroughly in the same 
manner as any cooking utensil. 

2.  Remove the grates and radiants and thoroughly 

clean with the splash back, interior and exterior  
surfaces of the barbeque with hot water, a 
detergent solution and a soft scrubbing brush. 

3.  Brush the barbeque surface with a soft bristled 

brush.  Any carbon deposits should be removed 
using a scraper tool followed by wiping with a 
cloth to prevent accumulation of food deposits. 

4.  Dry the barbeque thoroughly with a dry cloth 

and polish with a soft dry cloth. 

C

AUTI ON

:

Always turn off the gas and electrical 

 

supply at the mains supply before cleaning. 
This appliance is not water proof. 
Do not use water jet spray to clean interior 
or exterior of this appliance. 

 


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8

Periodic Maintenance 

NOTE:
All maintenance operations should only be carried 
out by a qualified service person. 

To achieve the best results cleaning must be regular 
and thorough and all controls and mechanical 
parts should be checked and adjusted periodically 
by a qualified service person.  If any small faults 
occur, have them attended to promptly.  Don't wait 
until they cause a complete breakdown.  It is 
recommended that the appliance is serviced every 
6 months. 

Gas Control Valve Re-Greasing 

The gas control valve should be dismantled and 
greased every 6 months to ensure the correct  
operation of the gas control valve. 

To carry out this operation;- 

a.  Remove the gas control knobs from the gas tap 

spindles by pulling the knobs away from the  
control panel. 

b.  Remove the drip tray from the appliance. 

c.  Remove the two screws on the underside of the 

control panel, securing the control panel to the 
hob. 

d.  Remove the control panel from the front of the 

appliance. 

e.  Remove the 2 screws holding shaft plate to gas 

control body and remove control shaft and 
plate.  Note orientation of shaft for correct  
re-assembly. 

f.  Using needle nose pliers or similar, pull out gas 

control spindle, again noting its orientation. 

g.  Apply a suitable high temperature gas cock 

grease or lubricant such as ROCOL - A.S.P (Anti 
scuffing paste) / Dry Moly Paste to the outside of 
spindle. 

h.  Replace spindle and re-assemble the gas  

control in reverse order. 

i.  Refit the control panel to the appliance and  

secure with 2 screws. 

j.  Refit the knobs to the gas control valve spindles. 

Part 5 Cleaning and Maintenance

c.  To remove any discolouration, use an  

approved stainless steel cleaner or stainless 
steel wool.  Always rub in the direction of the 
grain. 

d.  Remove the grease tray and clean with a 

mild anti bacterial detergent and hot water 
solution using a soft bristled brush. 

e.  Dry the grease tray thoroughly with a dry 

cloth. 

f.  Dry all components thoroughly with a dry 

cloth and polish with a soft dry cloth. 

Two Screws 

Spindle 

 


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9

Part 6 Gas Conversion

Gas Conversion Procedure 

NOTE:

x

These conversions should only be carried out 
by qualified persons.  All connections must be 
checked for leaks before re-commissioning the 
appliance. 

x

Adjustment of components that have 

 

adjustments/settings sealed (e.g. paint 
sealed) can only be adjusted in accordance 
with the following instructions and shall be re-
sealed before re-commissioning this 

 

appliance.

x

For all relevant gas specifications refer to the 
table at the end of this section. 

Main Burners 

1.  Ensure that the gas supply has been turned 'Off'. 

2.  Remove the gas control knobs from the front 

control panel.  The control knobs are a push fit 
onto the shaft of the gas control valves. 

3.  Remove the front control panel by slackening 

the 2 screws on the front lower edges of the 
control panel and remove the panel from the 
front of the barbeque. 

4.  Remove the barbeque castings and inner  

radiants to reveal the burners. 

5.  Carefully push the main burners forward and  

carefully negotiate between the shield brackets 
fitted over the end of the burners and remove 
the burners from the barbeque to reveal the 
main burner injectors. 

6.  Unscrew the main burner injectors from the  

barbeque using a 13mm / 

1

/

2

" A/F spanner. 

7.  Determine the correct injector sizes for the 

corresponding gas, from the table shown in the 
'Gas Specifications' section. 

8.  Replace with the correct size injectors. 

9.  Refit the main burner castings and inner radiants 

to the barbeque. 

Pilot Burners 

1.  To remove the pilot burner, disconnect the gas 

supply tube from the base of the pilot burner. 

2.  Using a small screwdriver,withdraw the injector 

from inside the pilot burner. 

C

AUTI ON

:

Ensure that the Unit is isolated from the gas 
supply before commencing servicing. 

Main Burner 

Shell 

Brackets 

Gas Supply Tube 

Unscrew Gas 
Supply Tube Here 

Thermocouple/
Pilot Burner/
Igniter  Retaining 

Unscrew here with 

13mm Spanner 

Main Burner 

Injector 

 


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10

Part 6 Gas Conversion

3. Determine the correct injector size for the 

corresponding gas from the table shown in the 
'Gas Specifications' section on page 3. 

4.  Fit the new pilot injector into the rear of the pilot 

burner and push fully home. 

5.  Re-connect the gas supply tube to the base of 

the pilot burner and tighten. 

Low Fire Adjustment (All Models) 

1.  To set the burner low fire adjustment, the low fire  

adjustment screw on the gas control valve 
should be screwed fully in, then un-screwed by 
the measurement shown in the 'Gas 
Specifications' table. 

NOTE:
The “Low Fire Adjustment Screw” should be sealed 
with coloured paint on completion of the low fire  
adjustment.

2.  Refit the front control panel to the barbeque 

and secure in position by tightening the 2 screws 
on the front lower edges of the control panel. 

3.  Refit the gas control knobs to the gas control 

valves.  The gas control knobs are a push fit onto 
the shaft of the gas control valves. 

Piezo Igniter 

Pilot Burner 

Thermocouple 

NOTE

, Pin rotated 

for Natural Gas

NOTE

, Pin rotated 

Gas Regulator 

NOTE:
The regulator supplied is convertible between 

 

Natural Gas and LPG, but it’s outlet pressure is fixed 
ex-factory and is NOT to be adjusted. 

1.  Ensure that the gas supply is turned ‘OFF’ at the 

mains. 

2.  Unscrew the hexagonal cap (23mm A/F) from 

the regulator. 

3.  Un-clip the plastic pin from the cap, rotate the 

pin and re-fit it back into the cap the correct 
way for the gas type to be used.  

(Either ‘LP’ or 

‘NAT’ should be visible on the flank of the pin 
once re-fitted to the cap)

.

4.  Screw the cap back into the regulator. 

Low Fire 

Adjustment Screw 

 


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11

Part 6 Gas Conversion

Gas Type Labels 

On completion of the gas conversion, replace gas 
type labels located at:- 

- The rear of the unit, above the gas connection. 

- Beside the rating plate. 

Commissioning

Before leaving the converted installation; 

1.  Check all gas connections for leakages using 

soapy water or other gas detecting equipment. 

2.  Check the following functions in accordance 

with the operating instructions specified in the 
'Operation' section of the Installation and  
Operation Manual. 

x

Light the Pilot Burners. 

x

Light the Main Burners. 

x

Check the Low Fire burner operation. 

x

Check the High Fire burner operation. 

x

Ensure that all the controls operate 

 

correctly. 

x

Ensure that the operating pressure remains  
correct. 

3.  Ensure any adjustments done to components 

that have the adjustments / settings sealed (e.g. 
paint sealed) are re-sealed. 

NOTE:
If for some reason it is not possible to get the unit to 
operate correctly, shut off the gas supply and 
contact the supplier of this unit. 

WARNING:

D

O NOT USE A NAKED FLAME TO CHECK FOR GAS

LEAKAGES

.

 


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12

Part 6 Gas Conversion

Gas Specifications 

- Non UK Only:

- UK Only:

NOTE:
* - The burner operating pressure is to be measured at the manifold test point with two burners operating at 

full setting.  The operating pressure is ex-factory set and not to be adjusted, apart from when converting 
between gases, if required.  (Refer to the ‘Gas Conversion’ section for details. 

Natural Gas 

LP Gas (Propane) 

Main Burner Injectors 

2.70 mm 

1.65 mm 

Pilot Burner Injectors 

0.45 

0.30 

Low Fire Adjustment 

1

1

/

4

 turns out (ccw) 

½ turn out (ccw) 

Operating Pressure

0.95 kPa (*) 

2.6 kPa (*) 

Main Burner Aeration Shutter

Fully Open 

Fully Open 

Gas Regulator Cap Screw

Natural Gas (G20) 

Propane (G31) 

Main Burner Injectors 

2.70 mm 

1.65 mm 

Pilot Burner Injectors 

0.45 

0.30 

Low Fire Adjustment 

1

1

/

4

 turns out (ccw) 

½ turn out (ccw) 

Operating Pressure

10 mbar (*) 

26 mbar (*) 

Main Burner Aeration Shutter

Fully Open 

Fully Open 

Gas Regulator Cap Screw

 


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13

Replacement Parts List 

When ordering spare parts, please quote the part number and the description as listed below.  If the part 
required is not listed below, request the part by description and quote model number and serial number 
which is shown on the rating plate. 

Controls

230441 Main 

Burner. 

227404 

Gas Control Valve. 

019218 

Thermocouple 

M9 x 1;  450mm. 

037270 

Burner Injector (Natural) 

Ø 2.70mm. 

037165 

Burner Injector (LPG) 

Ø 1.65mm. 

230586 Piezo 

Ignitor. 

230608 Control 

Knob. 

019464 Pilot 

Burner. 

018972 Pilot 

Orifice 

(Natural) 

0.45. 

018971 Pilot 

Orifice 

(LPG)  0.30. 

019624 

Ignition HT Electrode. 

228047 

Ignition HT Lead 250mm. 

Regulator

228533 

Regulator  (Natural Gas/LP Gas [Propane] Convertible) 

½

” BSP F/F. 

General

229870 

Burner Radiant Casting. 

229869 

Top Grate Casting. 

230579 Collection 

Tray. 

229951 Drip 

Tray. 

230578 Adjustable 

Leg. 

229674 

Rear Roller Assy. 

Gas Conversion Kits 

Part 7 Replacement Parts List

IMPORTANT:

Only genuine qualified replacement parts should be used for the servicing and  
repair of this appliance.  The instructions supplied with the parts should be followed 
when replacing components. 
For further information and servicing instructions, contact your nearest qualified  
service branch (contact details are as shown on the reverse of the front cover of this  
manual). 

Model 

Gas Type to Convert to 

LPG (Propane) 

Nat. Gas 

CB6

231562 231561 

 


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