22
Mexico Super CF 3/100, 3/125, 3/140 -
Installation
SERVICING
29 BURNER AND CONTROLS ASSEMBLY REMOVAL
Check that:
a.
The pilot burner is clean and unobstructed.
b.
The ignition electrode is clean and undamaged.
c.
The ignition lead is in good condition and securely
connected.
d.
The spark gap is correct. Refer to Frame 44.
e.
The thermocouple tip is not burned or cracked.
f.
The position of the thermocouple relative to the pilot
burner is correct. Refer to Frame 44.
g.
The thermocouple terminal at the gas valve is clean.
6.
Clean or renew components as necessary.
30 LINT GAUZE REMOVAL
31 CLEANING THE BURNER ASSEMBLY
1.
Lift off front panel and remove the
grille assembly. Refer to Frames 28 &
29.
Remove the burner and controls
assembly.
2.
Remove the manifold nuts to remove
both burners from the burner front
plate / manifold assembly.
3.
From each burner remove the 2 air box
securing nuts and CAREFULLY
remove the air box and venturi
arrangement.
4.
Withdraw both lint gauzes.
1.
Lift off the front panel and remove the grille
assembly from the casing.
2.
Undo the gas service cock union nut.
1.
Clean the lint gauze(s) to remove any deposits of lint, fluff
etc.
2.
Brush off any deposits that may have fallen on to the burner
head, ensuring that the flame ports are unobstructed, and
remove any debris that may have collected.
Note.
Brushes with metallic bristles MUST NOT be used.
3.
Remove the main burner injectors. Check, clean or replace,
as required.
4.
Refit the injectors, using an approved jointing compound.
5.
Inspect the pilot burner, thermocouple and ignition
electrode - ensure that they are clear and in good condition.
3.
Remove the 4 wing
nuts and withdraw
the burner and
controls assembly,
complete, from the
boiler.
SER
VICING
Summary of Contents for CF#/125
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