29
Mexico Super CF 3/40 - 3/80 -
Installation
47 GAS VALVE REPLACEMENT
SERVICING
1.
Lift off front panel and remove the
grille assembly. Refer to Frames
28 & 29. Undo the gas cock union
and the 4 wing nuts to remove the
burner and controls assembly from
the boiler.
2.
Undo the pilot supply connection.
3.
Undo the thermocouple
connection.
4.
Unscrew the gas inlet pipe from the
valve.
5.
Remove the 4 securing screws and
withdraw the valve from the burner
manifold.
6.
Fit the new gas valve, ensuring
that:
a.
The valve is fitted the correct
way round - an arrow engraved
on the valve indicates the
direction of flow.
b.
The sealing 'O' ring supplied
with the valve is correctly fitted
at the outlet flange.
c.
An approved jointing compound is used
when reconnecting the gas inlet pipe.
48 TTB DOWNDRAUGHT THERMOSTAT REPLACEMENT
1.
Remove the control panel. Refer to Frame 28.
2.
Remove the securing screws and lift off the
control box cover.
3.
Disconnect the TTB thermostat and remove from
the cable clamp and control box. Refer to Frame
52.
Note.
The TTB thermostat is located at the LH
side of the diverter panel.
4.
Reach down the side of the boiler and carefully
lift the TTB bracket from its retaining slot and
clip.
5.
Withdraw the thermostat, bracket and lead down
the side of the boiler.
6.
Locate and fit the new TTB downdraught
thermostat, bracket and lead and re-assemble in
reverse order, ensuring that all electrical
connections are correctly remade and cables
secured.
SER
VICING
Summary of Contents for Mexico Super CF 3/40
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