3.2 BURNERS
Burners should be cleaned periodically to maintain
maximum performance and are best cleaned with a wire
brush. Blocked parts require to be cleared using a metal
broach. Any material pushed into burner should be
shaken out via air inlet.
3.2.1 Removal of Burner Assembly
Turn off main gas supply to unit. Remove fixings that
secure pilot and cross-lighter assemblies to main burner
and drop assemblies slightly. Disconnect compression
joint above manifold. Remove fixings that retain burner
assembly front cross strap to side runners. Pull burner
assembly forward
(approx. 25mm)
and drop it slightly to
clear front cross strap. While supporting weight of
assembly, push it back to clear rear strap from runners
and lower to withdraw. Replace in reverse order.
3.2.2 Removal of Pilot Burner
Isolate main gas supply to unit. Disconnect pilot supply
pipe compression nut and remove pipe from pilot burner.
Withdraw injector. Undo thermocouple retaining nut and
remove thermocouple from pilot burner. Undo thermopile
retaining nut and withdraw thermopile. Pull lead from
spark electrode.
Undo nuts that secure pilot burner bracket to burner.
Withdraw pilot burner assembly. Replace in reverse
order.
3.3 CLEANING THE INJECTORS
Injectors should be periodically cleaned using a wooden
splinter or soft wire. Avoid use of metal reamers as these
may distort or increase size of orifice.
3.3.1 Removal of Main Burner Injectors
Isolate main gas supply.
Use a 10mm open-ended spanner to remove injector.
3.3.2 Removal of Pilot/Cross-Lighting Injectors
Isolate main gas supply. Undo pilot/cross lighter supply
pipe compression nut and remove pipe from pilot/cross
lighter burner.
Withdraw injector. Replace in reverse order.
3.4 FLAME FAILURE THERMOCOUPLE
Undo nuts at pilot assembly and valve body.
Disconnect thermocouple interrupter from terminal block.
2.7 INSTRUCTION TO USER
After installing and commissioning the fryer, hand User
Instructions to operator or purchaser. Ensure details to
light, turn off, use and clean are properly understood.
The main gas isolating valve location should be made
known to user and the procedure for operation in event of
an emergency should be demonstrated.
SECTION 3 -
SERVICING and CONVERSION
Important
BEFORE ATTEMPTING ANY SERVICING, ENSURE
ISOLATING COCK IS TURNED OFF AND THAT IT
CANNOT BE INADVERTENTLY TURNED BACK ON.
FRYER REQUIRES TO BE COOLED AND DRAINED
PRIOR TO MAINTENANCE.
AFTER ANY SUCH MAINTENANCE TASK, CHECK THE
APPLIANCE TO ENSURE CORRECT PERFORMANCE
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 TIGHTNESS!
3.1 GAS CONVERSION CHECK LIST
CHANGE MAIN INJECTORS
CHANGE PILOT INJECTORS
MODIFY MULTIFUNCTIONAL CONTROL
CHANGE DATA PLATE
CHANGE CROSS LIGHTING INJECTOR
To convert from Natural to Propane gas, remove
regulator mechanism. Replace with blanking plate that is
supplied with kit.
To convert from Propane to Natural gas, remove blanking
plate. Replace with regulator mechanism supplied in kit.
All relevant injectors to be changed to suit gas type.
Pressure must also be adjusted to suit gas type.
Refer to Section 1.9.
Summary of Contents for G3830
Page 8: ......
