Frymaster Gas Rethermalizers FBKR18 Series - Manual (Page 40)

6-7
2. Disconnect the unit from the gas supply line and remove any fitting that may be attached to the
gas manifold at the rear of the unit.
3. Disconnect the flexible gas lines at each burner orifice.
4. Disconnect the gas enrichment tubes at the gas valve tee fitting.
5. Disconnect the wires from the gas valve terminal, marking each wire to facilitate reconnection.
6. Remove the two nuts securing the gas manifold bracket to the base frame.
7. Pull the gas manifold assembly out the front of the unit.
8. Remove the gas valve from the manifold assembly and remove all fittings from the old valve.
9. Install the fittings removed from the old valve on the new valve, using Loctite
® PST56765 or
equivalent pipe thread sealant.
10. Apply Loctite
® PST56765 pipe thread sealant or equivalent to the threads of the manifold and
install the new gas valve.
11. Position the gas manifold system in the unit and replace the two nuts removed in step 6.
12. Reverse steps 1-5 to complete installation.
13. Check burner manifold gas pressure in accordance with procedure given in Chapter 4.
6.6.8 Replacing a Burner Assembly
(NOTE: If space permits, it is recommended that the unit be disconnected from the gas line and laid
on its back when performing this procedure. Be sure to place blocks under the unit to protect the
end of the gas line and the water regulator if this option is selected.)
1. Unplug the rethermalizer.
2. Disconnect the flexible gas line at the burner orifice.
3. Remove both air hoses from the blower assembly and the burner assemblies.
4. Remove the four screws from the blower stabilizing bracket attached to the blower assembly and
to each burner. Remove the stabilizing bracket from the unit.
5. Remove the screw securing the blower support bracket to the cookpot assembly and lower the
blower assembly out of the way. It is not necessary to disconnect the blower wiring.
6. Remove the two screws at the front of the burner assembly to be replaced, then pull the assembly
toward the front of the unit slightly to free it from its rear support. Remove the assembly
through the bottom of the unit.