7.3
Preventative Maintenance
It is suggested that a photographic record is taken during routine maintenance to help
establish a record of the condition of the product and any changes that are occurring.
7.3.1
General Condition
With the product switched off and cold visually check general condition looking for
signs of deterioration, over-heating and spillage damage. Repair or rectify as required.
7.4
Cleaning
With the product switched off, cold and electrically isolated from the mains, wipe over
surfaces using a damp cloth, but do not use solvents.
If necessary, vacuum out the inside of the product to remove any dust or minor debris
and dispose of any material removed, in accordance with local regulations, at an
approved disposal facility.
7.4.1
Thermal Insulation and Brickwork
Where thermal insulation or brick work is accessible in the heating chamber with the
product switched off and cold visually check general condition. Look for signs of
deterioration, cracking or missing insulation.
Replace or repair as necessary refereeing to the general guidance notes in section 8.2.
7.4.2
General Access
With the product switched off and cold visually check that the general access around,
behind and above the product is clear and that combustible material is not stored in
the area.
7.4.3
General Ventilation
With the product switched off and cold visually check the general ventilation around
and above looking for evidence of heat or fume damage.
In particular check the condition and operation of any fixed ventilation or extract
system fitted that will have been supplied by others.
7.4.4
Door Seal, Hinges and Latches
With the product switched off and cold visually check serviceability of the door seal,
hinges and latches. Check for deterioration and misalignment and adjust, replace or
repair as required.
Operate the product at normal operating temperature and check for any leakage from
the door seal. If in any doubt use a smoke wand to check for air being drawn in or
spilling out.
7.4.5
Air Inlet and Exhaust Vent
With product switched off and cold visually check dampers are set correctly and not
blocked or obstructed.
25