Glow-worm Xtramax - Manual (Page 28)

28 4000116705-2
17 Routine Cleaning and Inspection
To ensure the continued efficient and safe operation of the
boiler it is recommended that it is checked and serviced at
regular intervals. The frequency of servicing will depend upon
the particular installation conditions and usage, but in general
once a year should be enough.
It is the law that any servicing is carried out by a qualified
registered person.
All parts are replaced in reverse order to removal.
17.1 Products of combustion check
Note: To obtain a products of combustion reading, unscrew the
left hand sampling point cap on the flue elbow, located on top
of boiler.
Connect the analyser tube onto sampling point.
Switch on the electrical supply and gas supply, then operate the
boiler.
On completion of the test switch off the electrical supply and the
gas supply, remove analyser tube and replace sampling point
cap.
Diagram 17.1
17.6 Side panels (For ease of access if required)
• Unscrew and remove the four screws securing lower grille onto
boiler. Unhook grille from rear of boiler and remove.
• Remove three screws from front of each side panel.
• Lift each panel up and then forward to remove.
17.7 Combustion chamber cover
• Unscrew the two screws securing combustion chamber cover
to combustion chamber, see diagram 17.2.
•Remove combustion chamber cover from boiler.
Car 033
Ech 052
Diagram 17.2
17.2 Service Check and Preparation.
• Operate boiler and check for any faults that need to be put
right.
• Isolate boiler from the gas and electrical supplies.
• On completion check all gas-carrying parts for soundness with
leak detection fluid.
• Remove boiler casing as follows:
17.3 Front panel
• Unscrew and remove the two front panel retaining brackets
from the top of the boiler.
• Remove panel by lifting up and forward.
17.4 Sealed chamber cover
• Unclip the toggle clip holding the sealed chamber cover, see
diagram. 17.1.
• Lift cover up and off boiler.
17.5 Control panel
• Lift control panel up and lower forwards to gain access to lower
part of boiler.
9318
PRODUCTS
SAMPLING
POINT