Inspection And Service - Worcester greenstar camray 12/18 Instruction Manual

3
F
E
2
C
4 UTILITY SYSTEM ONLY
G
5
J
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR CAMRAY UTILITY 12/18-18/25-25/32
8 716 113 004b (05.07)
UTILITY SHOWN
1
A
H
I
M
L
K

INSPECTION AND SERVICE

CAUTION: ISOLATE THE WATER,
ELECTRICITY AND OIL MAINS SUPPLIES
BEFORE STARTING ANY WORK AND
OBSERVE ALL RELEVANT SAFETY
PRECAUTIONS.
B
Routine servicing:
To maintain efficient boiler operation, the
following should be carried out at least once a
year.
Carry out a pre-service check and note any
operational faults:
D
Pre-Service Check:
1 Lift the top panel (A) upwards to disengage
the ball stud connections (B) and remove.
2 Pull front panel (C) away from the boiler to
disengage ball stud connectors from their
locations (D) and store safely away
from the working area.
3 Remove securing screws (E) from each
side of control box.
Pivot control box downwards into the
service position as shown.
Operate the appliance and system and note
any faults which may need to be corrected
during the service.
Switch off and electrically isolate the
D
boiler.
Depress locking ears and unplug burner
lead (F) from control box.
4 Utility System only:
In the case of the Utility System boiler,
loosen the expansion vessel clamping
screw (G) and move the vessel to the right
to clear the top support. Lift the vessel (H)
and move the base down and out to remove.
Stand the expansion vessel (H) on the floor
next to the appliance.
Remove the two screws ( I ) securing the
expansion vessel retaining bracket and
remove it from the appliance.
5 Loosen clip ( J ) to detach air duct pipe.
Undo the two scews securing the deflector
plate (K) and remove the plate.
Unscrew burner retainer nut (L) and gently
pull burner forward so that the retainer (M)
is free of the lug (N).
See the following instructions for detail of
some of the service requirements listed
below:
Check and clean the burner.
Replace burner nozzle and flexible oil
N
pipe/s.
Check and clean the baffle retainers.
Check and clean the baffles.
Check and clean the heat exchanger
surfaces.
Check the combustion chamber access
door insulation board.
Check that the flue system is unobstructed
and clean as necessary.
Clean or replace all oil filters.
Check that the condensate system is not
obstructed, clean and refill the condensate
trap as necessary.
INSPECTION AND SERVICE
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