(Inspection And Service - Riello Rdb Burners) - Worcester GREENSTAR UTILITY 32/50 Instruction Manual

8 716 109 711 b 07.10 14/7/10
RIELLO RDB 3.2 BURNER SETTINGS
Combustion head setting (F)
Set at top of Combustion head ( I )
40
INSPECTION AND SERVICE
09:59 Page 40
RIELLO RDB 4.2 BURNER SETTINGS
Combustion head setting (F)
Set at top of Combustion head ( I )
3
4
5
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR UTILITY 32/50 & 50/708 716
INSPECTION AND SERVICE
1 Clean the Burner:
1
2
3
DO NOT dismantle the nozzle and DO NOT
clean the nozzle tip.
External oil filter:
RIELLO RDB OIL PUMP
RIELLO
RDB OIL PUMP
Undo the three screws (A) and remove cover
(B) from the burner.
Loosen clip to remove the flexible air inlet hose
(C) from the burner (RS flue systems only).
Remove the air intake cover (D) by releasing
the M4 screws.
Check the condition of the gasket between
these two parts and replace if necessary.
Note the position of the air damper
adjustment and check the air damper
moves freely.
Clean both sides of the fan impeller and
remove any debris from the burner housing.
Check the impeller rotates freely.
Reassemble components.
Remove the combustion head from the
burner by removing the two opposing
screws at the top of the combustion head.
Check that the combustion head setting (F)
is correct for the relevant output as shown
in the table opposite.
To adjust the combustion head setting (F),
turn the adjustment bar (E) clockwise or
anti-clockwise to move the inner sleeve (G)
up and down the blast tube (H).
The correct setting is shown when the
relevant number on the scale (F) is in line
with the top of the blast tube ( I ).
The electrodes and nozzle are factory set
and there is no need to adjust them.
With the adjustment bar (E) in line with the
top of the burner ( J ) return the
combustion head and secure in place
with the two screws at the top of the blast
tube.
Withdraw the photocell from its housing
and wipe clean.
Remove the oil pump internal filter, clean in
kerosene and reassemble.
The internal filter is accessed by removing
screws (K) and the oil pump cover (L)
IMPORTANT
Replace the standard flexible oil hose/s
at every annual service to prevent the
possibility of oil leakage.
Remove the paper element from the external
oil filter and replace it. If the filter contains a
washable element, thoroughly clean in
kerosene and reassemble into the filter.
109 711B 07.2010