Glow-worm Ultracom hxi - Manual (Page 30)

0020107233_00 - 06/11 - Glow-worm
MAINTENANCE
- 30 -
Gently remove the fan, gas valve and burner assembly from
the combustion chamber.
Clean the burner with a soft brush taking great care not to
damage the front insulation. DO NOT use wire or sharp
instruments to clean the holes of the burner.
Inspect the burner for any signs of damage.
Remove and discard the burner door seal and replace with
new, see diagram 11.7.
11.4. Combustion Chamber and Heat
exchanger
Remove loose debris from inside the combustion chamber
using a soft brush and vacuum cleaner.
Carefully flush by spraying water into the heat exchanger, any
remaining debris should pass through the condensate trap
(Ensure the water is kept away from electrical components).
11.5 Inner Casing Panel Seal check
Check the condition of the seal, if worn or damaged remove
the seal and thoroughly clean the casing surface before fitting
the new seal, see diagram 11.8.
Refit the inner casing panel.
noTe: Ensure the seal is fitted correctly giving an airtight
joint.
11.6 Service Completion
Re-check the combustion as described at the beginning of
this section.
On completion of the service the “Benchmark” Service Record
should be completed.
13864
BURNER
GAS PIPE BRACKET
AND SEAL
GAS VALVE
FAN
NYLOC SECURING
NUTS (5 OFF)
COMBUSTION
CHAMBER
SECTION THROUGH
BURNER DOOR SHOWING
POSITION OF SEAL
SEAL
Diagram 11.7
13272
Diagram 11.8