Thermopile/ Pilot, Burner/ Pilot Restrictor - andrews 24/39 Installation And Service Manual

7 Replacing Components, HIflo Range
7.3 Thermopile / pilot, burner / pilot restrictor
52
1. Disconnect thermopile and pilot supply pipe from gas control
valve.
2. Remove two screws and withdraw burner assembly.
3. Remove two screws and withdraw pilot assembly.
4. Unscrew gland nut securing thermopile to it's bracket and
withdraw.
5. Unscrew pilot feed pipe nut and withdraw pipe. The pilot
injector will be left in the pilot burner and may be withdrawn
by inverting the burner and allowing it to fall out.
6. Re-assemble pilot assembly and connect pilot pipe only to
gas control valve with the pilot assembly outside the heater.
Turn on gas service cock. Turn gas control to PILOT and
press knob, whilst testing pilot connection at gland nut for
soundness with leak detection fluid. Seal any leakages and
re-test. Turn gas control valve and service cock to OFF.
7. Re-assembly is reverse of steps 2 to 5.
8. Light the heater in accordance with lighting instructions. All
gas joints must be checked for soundness using leak
detection fluid. Turn off and seal any leakages. DO NOT
EXAMINE WITH A NAKED FLAME.
9. Re-light the heater and set thermostat to user's
requirements.
Issue 2 14/07/16