CombiSteel 7455.0900, User Manual

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7 SERVICE
CONTACT THE FACTORY, THE FACTORY REPRESENTATIVE OR A LOCAL SERVICE COMPANY
TO PERFORM MAINTENANCE AND REPAIRS.
FOR YOUR SAFETY, ALL SERVICE WORK MUST BE CARRIED OUT BY AN AUTHORISED PERSON
AND USE ONLY ORIGINAL SUPPLIED AND SPECIFIED PARTS.
TEST ALL FITTINGS, PIPES AND PIPE CONNECTIONS FOR LEAKS IN ACCORDANCE WITH
APPROVED GAS LEAK TEST PROCESSES AND METHODS. DO NOT USE A FLAME.
Note: When checking gas pressure, ensure that all other equipment on the same line is turned “ON”.
7.1 RECOMMENDED SERVICE
It is recommended that your appliance be serviced by an authorized person. It is for guidance purpose only and
may vary based on usage of the equipment and operator care. Prescribed service tasks include:

Functional test of all components and clean and adjust as necessary.

Inspect and clean all gas valves and lubricate with an industry approved lubricant.

Inspect all gas piping.

Check and adjust specified gas pressures.

Leak test.

Full operational, performance and safety test.
7.2 SERVICE INFORMATION
To access gas valves, remove control knobs and the front panel.
To remove a gas valve, disconnect the gas valve from the manifold connection and remove the valve.
To access oven burner thermocouples/pilots, remove oven base.
7.3 OPEN AND GRILL BURNER ADJUSTMENTS
Leak Test
Ensure that all valves are in the OFF position.
Turn on the main gas supply valve.
Light all pilots.
Leak test all valves and fittings using approved methods.
Correct any leaks as required and re-check.
Shut off all valves and set thermostat dials to “OFF” position.
Test Point Pressure
The open top and grill gas pressure test point is located on the gas manifold. The gas manifold and pressure test
point is accessed by removing the gas valve control knobs and the front panel. The test point pressure is shown
in the Nominal Gas Consumption Table and is set with two open top burners operating at maximum setting.
Burner Adjustment
The open top, grill and oven burner orifices are fixed as specified and cannot be adjusted. The specified gas rate
will be achieved if the gas supply pressure and test point pressure is correct.
A distinct blue flame over the entire port area of the burner will be achieved at full rate when the air supply is
correct and the air shutter is properly adjusted.
If the flame is yellow and wavy, the cause needs to be established.