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2.6 INSTRUCTION TO USER
After installing and commissioning appliance, hand
User Instructions to user or purchaser and ensure the
person(s) responsible understands the instructions
for lighting, cleaning and correct use of the appliance.
Particular emphasis should be given to safe operation
of the drain valve. It is important to ensure that the
location of the gas isolating cock is made known to
the user and the procedure for operation in an
emergency demonstrated.
SECTION 3 - SERVICING and
CONVERSION
Important
B E F O R E A T T E M P T I N G A N Y S E R V I C E
OPERATION, TURN OFF ISOLATING COCK AND
T A K E S T E P S T O E N S U R E I T I S N O T
INADVERTENTLY TURNED ON DURING TASK.
AFTER ANY SUCH MAINTENANCE TASK, CHECK
THE APPLIANCE TO ENSURE THAT IT
PERFORMS CORRECTLY AND CARRY OUT ANY
NECESSARY ADJUSTMENTS AS DETAILED IN
SECTION 1.
After carrying out any servicing or exchange of gas
carrying components -
ALWAYS CHECK FOR GAS SOUNDNESS!
3.1 GAS CONVERSION CHECK LIST
For conversion to NATURAL GAS, add governor and
pipe and set burner pressure.
For conversion to PROPANE GAS, remove governor
from gas circuit and fit replacement supply pipework.
Other considerations :
CHANGE INJECTORS
ADJUST BY-PASS SCREW AND SET LOW RATE
CHANGE DATA PLATE
3.2 TO REMOVE THE CONTROL PANEL
Remove control knob. Undo fixings from underside.
Ease panel out and down to clear top locating pins.
3.3 BURNERS
3.3.1 ToRemove the Burner Assembly
Remove pilot assembly to gain access to burner.
Undo union supply pipe at burner inlet.
Remove fixings which secure burner brackets to cast
iron base plate and lower burner away from base.
3.3.2 ToRemove the Pilot Burner Assembly
Undo the pilot and thermocouple unions from the gas
valve. Also the nut which retains the igniter lead to the
electrode (see Figure 3).
Undo pilot burner bracket from below burner (2 nuts)
and withdraw pilot burner assembly from appliance.
Undo fixings to remove pilot burner from bracket.
3.4 INJECTORS
3.4.1 ToRemove the Burner Injector
Remove injector, located inside air box of burner with
a 16mm short armed spanner.
Note
When cleaning injector orifice, a soft fuse wire or
wooden splint should be used.
METAL REAMERS MUST NOT BE USED TO
AVOID ENLARGING THE ORIFICE.
3.4.2 To Remove Pilot Injector
Undo pilot union at pilot end of supply pipe and
withdraw pipe from pilot burner (see Figure 3).
The injector is located by the pilot pipe and care must
be taken to avoid losing it upon withdrawal.
3.5 TO REMOVE THERMOCOUPLE
Undo thermocouple retaining nut from pilot burner
and slide thermocouple from pilot block (see Figure
3). Remove thermocouple nut at gas tap body.
Note
When replacing, the union nut on gas valve end must
be finger tight plus one sixth of a spanner turn.
DO NOT OVERTIGHTEN.
3.6 PIEZO IGNITER / SPARK ELECTRODE
3.6.1 ToRemove PiezoIgniter
Pull off lead connection and remove the fixings which
secure igniter to bracket.
3.6.2 ToRemove Spark Electrode
Undo electrode retaining nut and withdraw (See
Figure 3).
3.7 GAS VALVE
3.7.1 ToRemove Gas Valve
Ensure knob is in OFF position.
Remove control panel as detailed in Section 3.2.
Undo unions on inlet and outlet of valve, loosen
unions on pilot supply and thermocouple.
Remove fixing at RH side of the spindle and push
valve back to clear mounting panel. Remove valve
through bottom compartment.
3.7.2 ToRegrease the Tap Plug
Remove control panel as detailed in Section 3.2.
Undo fixings which retain securing plate to valve
body. Remove securing plate, spindle and brass disc
to expose plug.
Withdraw plug and clean it and the body with a soft
rag before regreasing with an approved high
temperature lubricant. DO NOT OVERGREASE.
During re-assembly, it will be noticed that the steel pin
in the operating spindle end will only locate in one
position.
Re-assemble in reverse order.
Содержание G6478
Страница 7: ...G6478 STEAMING OVEN CONTROLS ...
Страница 8: ...G6478 STEAMING OVEN FITMENTS ...
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