66
HEAT EXCHANGER REPLACEMENT
Refer also to Frame 10, ‘Boiler exploded view’.
1. Refer to Frame 51.
2. Remove boiler front panels and inner sealing panel refer
frames 44 & 45.
3.
and pull the terminal to disconnect the boiler turret from
4. Fully drain the system
5.
connections at the pre-piping frame
6.
7.
the boiler forward to clear any kitchen unit obstructions
taking care with the electrical wiring.
8. Remove the fan & venturi assembly (refer to frame 46)
9. Remove burner (refer to frame 47)
10. Remove ignition electrode (frame 55) & detection
electrode (frame 56)
11.
generator (frame 57) and remove the electrical
overheat thermostat (frame 63)
12.
13.
exchanger bottom right copper pipe bracket and remove
the screw.
14.
the top left of the heat exchanger and remove the pipe by
pulling upwards through the rubber grommet.
15.
the turret.
16.
17. Remove the 19 screws retaining the rear air box and
remove the box.
18.
elbow assembly from its joint.
19.
continued . . . .
SERVICING
13
14
15
16
17
18
19