Instruction manual
COMBUSTION CHAMBER
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR CAMRAY EXTERNAL &
EXTERNAL SYSTEM 12/18-18/25-25/32
8 716 115 667a (05.2009)
24
INSTALLATION
Combustion chamber:
1 Release retaining nuts and washers (A).
Remove combustion chamber access door (B).
2 Release screws (C) on either side and
remove upper access door (D).
3 Ensure baffles (E) and baffle retainers (F),
restrictor plates (G) and acoustic insulation
insert (H - 25/32 model only) are correctly
fitted for the boiler model as shown in the
plan view opposite.
For further information refer to the
Baffle Arrangement Diagrams in the
Servicing Section of this manual.
Refit the upper access door (D) and
secure with screws (C).
4 Secure combustion chamber access door
with nuts and washers (A). Tighten until
door is firmly secured using the sequence
below. Do not overtighten the nuts.
5 Unscrew screws ( I ) and remove flue
manifold access cover ( J ).
6 Check that all the baffles (K) and baffle
retainer (L) are correctly fitted to the
secondary heat exchanger.
COMBUSTION CHAMBER
CAMRAY EXTERNAL SYSTEM SHOWN