Manual Part No: 931760-01 MV1 Gas Fryer
- 25 –
Manual Rev No: 1
Service and Maintenance (cont.)
4)
Removing the Control Valve
Open compartment door, lift off the bottom heat shield and remove the burner heat shield
secured by four screws.
Disconnect the burner feed pipe coupling and the pilot pipe coupling at the control valve.
Undo the nut securing the thermocouple to the control valve.
Disconnect the four wires to the valve (noting their positions).
Undo the union coupling from the inlet pipe to the control valve. Remove the two screws from
beneath the fryer securing the valve bracket to the base panel. The valve together with its
bracket can now be withdrawn.
Replace by reversing the above procedure.
5)
To Remove or clean a Burner Injector
Open compartment door and lift off the control valve cover.
Remove the burner heat shield, (secured by four screws) together with the override thermostat.
Undo the coupling to the burner manifold and remove the two fixing screws securing the
Manifold to the tank.
The injectors can now be unscrewed from the manifold assembly.
To clean the injector, brush off with a stiff bristle brush any dirt, blow through the orifice to
remove any blockage or restriction -
DO NOT POKE WIRE THROUGH THE INJECTOR ORIFICE
.
Replace by reversing the above procedure.
6) Removing
a
Thermocouple
Open compartment door and lift off the control valve cover.
Remove the burner heat shield, (secured by four screws) together with the override thermostat.
Undo the nut securing the thermocouple to the control valve.
Undo the nut securing the thermocouple to the pilot bracket.
Replace by reversing the above procedure.
7)
To Convert NG Appliances to LP
Remove the pilot assembly as described in Section 6 and fit replacement injector 931767-13.
Remove the manifold assembly as described in Section 3 to gain access to the injectors. Fit
replacement injectors: -
450
Fryer
1.84mm 931767-19
600 Fryer
2.10 mm
931767-13
600 Twin Tank
1.50mm
931767-21
Unscrew governor cap screw and remove adjusting screw and spring, replace with governor
exclusion screw (931767-14) and re-fit cap screw.
Finally fit replacement Data Plate and re-test the appliance.