25
Mexico Super CF 3/60P - 3/140P -
Installation
1.
Disconnect the ignition lead from the piezo unit
body.
2.
Remove the retaining nut and withdraw the unit,
as shown.
3.
Fit the new unit and reassemble in reverse
order.
SERVICING
39 PIEZO UNIT REPLACEMENT
40 PILOT BURNER REPLACEMENT - CF 3/60P & CF 3/75P ONLY
1.
Lift off front panel and remove the grille assembly -refer
Frames 28 & 29. Undo the gas cock union.
Undo the 4 wing nuts and remove the burner / controls from
the boiler.
2.
Remove the ignition electrode . Refer to Frames 46 and 47.
3.
Unscrew the thermocouple nut and pull the thermocouple
clear.
4.
Undo the pilot supply pipe connection and ease clear of the
pilot burner. DO NOT LOSE the pilot injector, which is a push-
fit in the pilot burner housing.
5.
Remove the 2 securing screws and washers, and withdraw the
pilot burner.
6.
Fit the new pilot burner and re-assemble in reverse order,
ensuring that:
a.
The injector is in position when refitting the pilot supply.
b.
A gas-tight joint is made.
c.
The spark gap is correct. Refer to Frames 46 & 47.
REPLACEMENT OF PARTS
SER
VICING
37 GENERAL
1.
Unfasten the two M5 hexagon nuts and washers.
Remove the assembly from the front plate.
2.
Fit the new sightglass
and re-assemble, as
shown.
3.
Retighten the two M5
hexagon nuts to ensure
an airtight
seal.
Do NOT
overtighten.
38 SIGHTGLASS REPLACEMENT
When replacing any component:
1.
Isolate the electricity supply.
2.
Turn off the gas supply at the boiler.
3.
Lift off the lower front panel.
For replacement of pumps or programmer units
refer to the separate Pump Kit or Programmer
Kit instructions.
Summary of Contents for 4134899
Page 1: ......