31
British Gas 40 - 80 RD2 -
Installation & Servicing
SERVICING
REPLACEMENT OF PARTS
53 GENERAL
51 RE-ASSEMBLY
52 GAS PRESSURE ADJUSTMENT
When replacing any component:
1.
Isolate the electricity supply.
2.
Turn OFF the gas supply.
3.
Remove the lower front panel and grille
assembly. Refer to Frame 47.
IMPORTANT.
The original routing of wires must be adhered to when
replacing the electrical components.
The boiler MUST NOT be operated if the casing is not fitted.
required adjustments should be made using the
pressure adjustment screw. Refer to Frame 43- Initial
Lighting.
Refit the lower front panel and secure with the 2 fixing
screws.
Main Burner Pressure
After servicing, reference should be made to Table
1, which quotes details of the rated output with the
related burner pressure and heat input. Any
Re-assemble the boiler in the following order:
1.
Refit the flue baffles.
2.
Inspect the collector hood rope gasket and replace, if
necessary, ensuring that the self adhesive rope is fitted
centrally on to the lip of the collector hood / fan assembly.
The boiler efficiency will be adversely affected if incorrectly
fitted. Refit the collector hood cover with the 4 screws.
Tighten the screws. Ensure that the sealing gasket is
compressed. Refit the pressure pipe.
3.
Refit the positive pressure tubes on the top of the fan
housing. Reconnect the electrical leads.
4.
Refit the thermistor sensor and secure with the M4
screw.
5.
Refit the burner assembly.
6.
Reconnect the gas supply and the electrical wiring.
7.
Refit the control box.
8.
Check for gas soundness. Check the gas service
cock and pressure test point.
9.
Refit the boiler top panel, control panel and grille
assembly.
SER
VICING
