B&S L 900-4 Installation, Operating And Servicing Instruction Manual - page 9
L 900 Series Oven Range (AGA No. 4921-07)
April 2011
9
C.
Turn control knob clockwise to the „HIGH‟ position. Examine flame.
D.
Turn control knob clockwise to the „OFF‟ position.
E.
Repeat steps
A
to
D
for all burners.
Adjusting aeration of boiling top burner (if required)
ALWAYS USE CAUTION WHEN REMOVING TRIVETS AND BURNERS, SURFACE MAY BE HOT.
If necessary to adjust aeration to boiling top burner;
Remove front burners by lifting at the rear and then pulling towards the rear.
o
Loosen screw on butterfly valve at the inlet and adjust.
o
Replace burner and light.
o
Repeat the process if necessary.
The rear burners are lifted at the front and then pulled forward to remove. Then adjust as for the
front burners.
C
OMMISSIONING
(O
VEN
S
ECTION
)
A.
Open the oven door and keep it open until the oven is alight.
B.
Depress the pilot ignition button and at the same time press and release piezo ignition three to four
times to ignite pilot.
C.
When the pilot is alight continue to keep the control knob depressed for 30 seconds and then release.
The pilot should remain alight. Observe the pilot light is established. Pilot flame should be between
10-20mm in size and be in direct contact with thermocouple (where fitted). Should the thermocouple
require adjustment, lift off oven chamber baffle and undo the nut holding thermocouple on pilot
assembly. After adjusting reassemble in reverse order.
Note.
If pilot flame is smaller than the
parameters described in part
C
, check the pilot gas line (6mm stainless steel flexible tube) for any
possible blockages/crimpage.
D.
If pilot light does light, wait five minutes and then repeat steps
A
. to
C
.
E.
Turn the control knob to the desired temperature.
F.
Inspect oven burner flame which should burn sharp and in a rich blue color. Adjust aeration of oven
burner if/as required (refer oven burner aeration below).
G.
Turn control knob to „OFF‟ position. Observe flame is extinguished.
H.
Depress pilot extinguish button and observe pilot light is extinguished.
Adjusting aeration of oven burner (if required)
If necessary to adjust aeration to oven burner;
The butterfly valve sits at the inlet of the burner on the RHS. For better access remove the RHS
deflector plate above the burner.
o
Loosen screw on butterfly valve at the inlet and adjust.
o
Replace deflector and light.
o
Repeat the process if necessary to achieve optimum flame.
In the event the appliance fails to operate correctly, check the following;
1.
Data plate to ensure correct gas type and pressure (adjust if necessary).
2.
Adjust aeration by adjusting air shutters.
3.
Injector sizes – check against data plate and installation manual.
4.
View pilot size and adjust if required.
In case appliance fails to operate correctly after all checks have been carried out, pleased contact;
B&S Commercial Kitchen Appliance Pty Ltd
57 Plateau Road
Reservoir VIC 3073
Tel.: + 61 3 9469 4754 Fax.: + 61 3 9469 4504 E-mail:
b.scka@optusnet.com.au