Bosch GREENSTAR HEATSLAVE EXTERNAL 18/25 Instruction Manual page 40

8 716 113 389d 30/3/10 14:01
BENTONE
STERLING 40 & 50
12/18
P H
18/25
RIELLO
RDB 1 & 2.2
12/18
18/25
P H
25/32
DANFOSS
BFP 11 L3 OIL PUMP
A
B
A - Retaining screws - cover
B - Cover - oil pump
40
INSPECTION AND SERVICE
All manuals and user guides at all-guides.com
Page 40
D
Electrode gap
2.5 - 3.0mm
F
5mm
K
7.5mm
D
F
2.5mm
Electrode gap 4mm
SUNTEC
AS47C OIL PUMP
A
B
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
INSPECTION AND SERVICE
1 Clean the Burner:
Remove the air intake cover (H) and clear
Disassemble the burner to allow access to
Check the condition of the gaskets between
N
Note the position of the air damper
Clean both sides of the fan impeller and
M
Check that the impeller rotates freely.
O
L
Remove the combustion head (K) and
E
Remove the nozzle (E).
5mm
2 Bentone Sterling 40 & 50
Check that the nozzle holder (N) is clear of
Check that the three holes in the check valve
(M) are clear of any debris. Check the
Refit the check valve.
Check the nozzle holder is clear of any debris
E
ALL MODELS
Fit a new oil atomising nozzle (E).
DO NOT dismantle the nozzle and DO NOT
5mm
clean the nozzle tip.
Check the electrodes (F) and reset if
K
Refit the combustion head. Check that the
The internal filter is accessed by removing
RIELLO
screws (A) and the oil pump cover (B) on the
RDB OIL PUMP
Danfoss BFP 11 L3, Suntec AS47C and Riello
RDB.
A
Replace the standard flexible oil hose/s
B
Reassemble the burner components.
Check the sponge O-ring seal located
around the combustion head and replace if
necessary.
This seal must be in good condition since
failure will cause flue gases to escape into
the room.
any debris from the air intake and air damper.
the fan impeller.
these parts and replace if necessary.
adjustment and check the air damper moves
freely.
remove any debris from the burner housing.
Reassemble the components.
thoroughly clean any deposits.
12/18 & 18/25 Inspection of Mechanical
Shut-off Valve:
Fasten an M5 screw, with a minimum length
of 30mm, into the threaded hole (L) and pull
the screw to withdraw the check valve (M).
any debris and clean if necessary.
condition of the 'O' ring (O). Discard the
check valve if the holes cannot be cleared, if
the unit is defective or if the 'O' ring is
damaged and replace with a new one.
Riello RDB 1 & 2.2
12/18, 18/25 & 25/32
and clean if necessary.
necessary as shown opposite.
nozzle (E) lies centrally in the combustion
head and the head settings are as shown.
Ensure that the photo cell is lined up with the
sight hole.
Withdraw the photocell (P) from its housing
and wipe clean.
Remove the oil pump internal filter, clean in
kerosene and reassemble.
IMPORTANT
at every annual service to prevent the
possibility of oil leakage.
8 716 113 389d (03/2010)