Moffat Blue Seal, Service Manual

Page: 20 / 40

6 Parts Replacement
18
6. Clamp Gas Pipe from Gas Control Valve to Burner, using either
mole grips or a vice.
7. Using a suitable size spanner or adjustable wrench on the flats
at base of Gas Control Valve, carefully unscrew the Gas
Control Valve from the burner supply pipe.
NOTE: Only use approved area on Gas Control Valve to
unscrew valve otherwise Valve will be damaged.
8.
Fit the replacement valve using Lockseal or equivalent thread
sealer on the threads.
9. Screw the valve onto the gas pipe and tighten, ensuring Gas
Control Valve is properly aligned with Burner Tube.
10. Refit in remainder of connections in reverse order.
6.1.5 Pilot Burner Injector
1. Remove the Main Burner Assy
from the Fryer (refer 6.1.1).
2. With Main Burner Assy removed
from fryer, disconnect Pilot
Supply Tube from Pilot Burner.
3. Remove Pilot Injector, clean or
replace as necessary.
NOTE: Ensure correct size
Injector is used (refer
Specifications section).
4. Re-assemble in reverse order.
6.1.6 Pilot Burner Bracket
1. Remove the Main Burner Assy
from the Fryer (refer 6.1.1).
2. Disconnect Pilot Supply Tube
from Pilot Burner.
3. Unscrew and remove Thermopile
from Pilot Burner Bracket.
4. Unscrew and remove
Thermocouple from Pilot Burner
Bracket.
5. Unscrew 2 screws securing Pilot
Burner Bracket to Main Burner,
remove and replace bracket.
6. Re-assemble in reverse order.
6.1.7 Thermocouple
1. Remove the Main Burner Assy
from the Fryer (refer 6.1.1).
2. Disconnect Thermocouple at the
Gas Control Valve.
3.
Unscrew Thermocouple securing
nut from Pilot Burner Bracket.
4. Replace Thermocouple and
re-connect.
5. When screwing Thermocouple
back into Gas Control Valve, once
thread has tightened up, tighten
another ¼ turn only. Do not
over tighten.
6.1.8 Thermopile
1. Remove the Main Burner Assy
from the Fryer (refer 6.1.1).
2. Disconnect Thermopile wires from
Connection Block on Gas Control
Valve.
3. Cut and remove any cable ties as
required.
4.
Unscrew and remove the
Thermopile from Pilot Burner
Bracket.
5. Replace Thermopile and
re-connect.
6. Re-assemble in reverse order,
ensuring all cables are securely
tie wrapped in place.
Thermopile
Unscrew Here
Disconnect
Thermocouple
Thermocouple
Securing Nut
Pilot Burner
Bracket
Pilot Burner
Pilot Supply Tube
Thermopile
Wires
Use Spanner on Flats
Here Only, to unscrew
Gas Valve.
Clamp Gas Pipe in this
area when removing
Gas Control Valve.
2 Screws