24
SERVICING
Mexico Super CF445 - CF475 -
Installation & Servicing
36 GAS PRESSURE ADJUSTMENT
1.
Remove the 2 wing nuts and lift
off the cleanout cover.
2.
Lift out the flue baffles.
3.
Remove all loose deposits from
the heat exchanger, especially
from between the fins, using a
suitable brush. Remove all
debris from the combustion
chamber base.
4.
Check that the flue outlet duct is
unobstructed.
5.
Refit the flue baffles. Refer to
Frame 10.
34 CLEANING THE FLUEWAYS
MEX 2205
Baffles
35 REASSEMBLY
Reassemble the boiler in the following order :
1.
Refit the flue cleanout cover, renewing any damaged or
deteriorating sealing gasket.
2.
Refit the casing top panel.
3.
Reconnect the electrical wiring ensuring the TTB
thermostat is connected. Refit the control panel, ensuring
that the thermostat phial and phial retaining clip are
correctly located in the thermostat pocket and secured by
the split pin. Refer to Frame 30.
4.
Check the sightglass in the front plate - clean or renew
as necessary.
5.
Renew any damaged or deteriorating front plate gasket.
6.
Refit the burner and controls assembly.
7.
Reconnect the gas service cock.
8.
Refit the grille assembly.
1. Pilot Pressure
Pilot adjustment is factory set to maximum and no
adjustment is possible,
2. Main Burner Pressure
After servicing, reference should be made to Table 2,
page 2, which quotes details of the output with the burner
pressure and heat input.
Any required adjustments should be made using the
pressure adjustment screw. Refer to Frame 26, 'Initial
Lighting'.
Refit the lower front panel in reverse order. Refer to
Frame 24.
ER
VICING
200943-1.p65
3/4/2004, 1:58 PM
24
