38
-
Ensuring that both the electrical supply and gas
supply to the boiler are isolated, disconnect the
gas pipe (
item 1
,
fig 46
). Remove the 2 x nuts (
2
)
and remove the manifold (
3
).
-
Disconnect the air pipe and electrical connections
from the fan.
-
Extract the burner (
4
) and clean using a brush.
-
Remove the screw (
5
), disconnect the snorkel (
6
)
and clean the fan using a brush.
To prevent damage to the fan bearings, do not use
pressurised air while cleaning.
-
Take out nuts (
7
) and remove the combustion
chamber inspection door. Using a brush and
vacuum cleaner, remove all deposits from inside
the heat exchanger.
-
Refit all components in reverse order, ensuring
that all seals are checked for damage and
replacing if necessary.
Once all maintenance procedures have been
carried out, reconnect the gas and electrical
supplies to the appliance and carry out a final
combustion analysis.
12.2 BURNER & HEAT EXCHANGER SERVICING
FIG. 46
FIG. 47
Summary of Contents for TRISTAR OPTIMA JUNIOR K CB
Page 2: ...2...
Page 4: ...4...
Page 7: ...7 2 TECHNICAL SPECIFICATION...
Page 9: ...9 2 2 WALL MOUNTING TEMPLATE FIG 2...
Page 28: ...28 6 16 VERTICAL BALANCED FLUE SCHEMATIC FIG 39...
Page 32: ...32...
Page 42: ...42...
Page 43: ...43...
Page 44: ...44 Issue 1 Rev 0 July 2005 Item No 510062 LB 1480 01 09 2005...