Potterton Housewarmer 45, Installation & Service Instructions Manual, Page: 21 / 45

6. Servicing & Replacement of Parts – page 21
6.4 Lint Guard
1) Pull the guard backwards horizontally.
2) Clean the gauze using a brush or vacuum cleaner.
3) Re-assemble in reverse order.
Lint
Guard
OxyPilot
Assembly
Clip the cut-out under
the bottom edge of
the OxyPilot Assembly
This is the correct
location for
the Lint Guard
B
B
4
5
0
3
7
A
OxyPilot
Assembly
Lint
Guard
Fig. 23
6.5 OxyPilot/Electrode Assembly
1) Perform section 6.2
2) Firmly grip the OxyPilot body and disconnect the nut
securing the pilot pipe to the elbow.
3) Disconnect the electrode lead from the electrode.
4) Remove the 2 screws securing the assembly to the
burner. Note how the pilot shield fits.
5) On re-assembly check the electrode gap, it should be 3
to 6mm.
If necessary, adjustment can be made by gripping the
base of the tip with one pair of pliers whilst gently
bending the end of the tip with another pair. Take care
not to crack the ceramic liner.
6) Re-assemble in reverse order.
6.6 Burner
Servicing the Burner
OxyPilot Main
Burner
Electrode
Electrode
Lead
Earth
Post
Remove
The Pilot
Pipe
OxyPilot
Fixing
Screws
(2 Off)
B
B
4
5
0
2
4
B
Fig. 24
1) Perform section 6.2.
2) Unscrew the M5 nut securing the burner cap and
remove the cap. Withdraw the internal baffle and gauze
from inside the burner. Thoroughly clean the gauze
using a brush or vacuum cleaner. Clean all deposits
from the surface of the burner flame strip with a soft
brush or vacuum cleaner and ensure that there is no
fluff in the entry of the burner venturi.
3) Re-assemble in reverse order.
Fitting a new burner
1) Perform section 6.2.
2) Perform section 6.3.
3) Perform sections 6.4 and 6.5.
4) Remove the 4 bolts securing the burner feed pipe to the
base of the gas valve.
5) Re-assemble in reverse order.
Main Burner
(45 Model)
Gas
Valve
Securing
Bolts
(4 off)
B
B
4
5
0
2
5
B
Internal
Baffle
Gauze
Burner
End
Cap
Fig. 25