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5.5
Combustion chamber (18/25 Regular shown)
1. Remove the control box securing screws (A, bottom screw both
sides) and loosen the pivot screws (B, top screw both sides).
2. Lower the control box into the service position.
1.
B
A
2.
6.
H
I
H
H
3.
D
5.
C
7.
J
Fig. 42 Combustion chamber
Greenstar Danesmoor Utility
2022+
and Utility System
H
H
H
K
2022+
- 6 721 846 263 (2022/01)
3. Release retaining nuts and washers (C).
Remove baffle/combustion chamber access door (D).
4. Ensure one piece baffle set (E) is in the right location (F), correctly
resting on the baffle rests (G) on either side of the combustion
chamber and pushed securely into place.
Baffle sets for the 18/25 and 25/32 boilers are identified with tabs
on the front and rear edge
12/18 Baffle
E
18/25 & 25/32 Baffle
Fig. 43 Baffle arrangement
5. Secure baffle/combustion chamber access door (D) with nuts and
washers (C). Tighten until door is firmly secured. Do not overtighten
the nuts.
6. Release the screws (H) and remove flue manifold access cover (I).
7. Check that all the baffles (J) and baffle retainer (K) are correctly
fitted to the secondary heat exchanger.
Hook the retainer (K) over the end two baffles.
8. Check that the flue damper is correctly fitted, if required, refer to
section 5.4.1
F
Fig. 44
Installation
6720808218-33.1Wo
G
31
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