Set Appliance State:
Gas Off
| Isolate Mains Power to appliance as per TOPs P4 |
Remove the fan, there is no need to take the venturi
off the fan
off the fan
Observation:
Inspect the intake venturi for burrs or roughness.
It should be smooth without any roughness or burrs.
Burrs and others restrictions can cause a whistling noise on low rate.
Note:
1. Before reassembly check the integrity of all disturbed gaskets and seals and replace as necessary.
2. Upon reassembly all disturbed joints should be checked for gas tightness.
It should be smooth without any roughness or burrs.
Burrs and others restrictions can cause a whistling noise on low rate.
Note:
1. Before reassembly check the integrity of all disturbed gaskets and seals and replace as necessary.
2. Upon reassembly all disturbed joints should be checked for gas tightness.
Isolate as per TOPs P4
and refit as necessary