It is important that a 6 monthly service be carried out by
a competent Service Engineer and it is recommended
that a contract be made with such an Engineer. Your
Rayburn Stockist will provide advice on the location of
the nearest Servicing Engineer,
With normal use, cooker annual flueway clean and
burner maintenance should be carried out immediately
before and after the end of the heating season. An
additional cooker flueway clean, halfway through the
heating season, may be necessary in some cases.
The householder should be advised to turn OFF
the
cooker oil valve control knob, the night preceding the
day of the service, so that the appliance will have
cooled down by the following morning, in readiness for
servicing.
Before commencing any servicing, isolate the oil supply
from the tank and ensure the oil control valve front trip
lever if
OFF
.
a. Service clean of cooker boiler heat exchanger
flueways.
b. Service clean of cooker flueways and hotplate.
c. Service maintenance clean/check of oil burner.
d. Maintenance check on oil control valve.
1. To obtain servicing access to oil burner and heat
exchanger, proceed as follows:-
a. Lift out the hotplate.
b. Open the outer burner door and lift out the inner
combustion chamber door.
2. a. Break and disconnect the copper feed pipe at the
front elbow of burner. Any residue oil in the
copper pipe should be collected by a small tray
receptacle.
b. Lift out burner and remove the burner heat baffle,
shell assembly, small vapourising chamber plate
and wicks.
c. Remove carbon deposit from wick grooves,
oilways of burner base and the oil feed pipe.
Gently brush any carbon deposits from shell
assembly and top heat baffle.
Check the burner wicks and replace in the reverse
order of dis-assembly.
NOTE:
EXAMINE THE VAPOURISING CHAMBER
PLATE IS FITTED CORRECTLY, THE LIGHTING
PORT IS AT THE FRONT OF THE SHELL
ASSEMBLY AND THAT THE SHELLS ARE SEATED
CORRECTLY ON THE BASE, REPLACE THE HEAT
BAFFLE, BUT DO NOT OFFER BURNER ASSEMBLY
TO APPLIANCE YET.
3. Remove oil burner assemblies as previously
described.
a. Place a layer of paper in combustion chamber
base plate.
b. Thoroughly brush boiler rear face and cooker LH
side in an upward and downward direction. Brush
across the oven top.
c. Remove layer of paper with fallen debris.
d. Brush and clean in between hotplate ribs on
underside.
e. Examine soft rope seal located on underside of
hotplate baffle plate, and replace if worn or frayed.
f. Examine soft rope seal located around hotplate
aperture in top plate. Replace if frayed or
damaged.
g. Examine soft seal rope located around inner
combustion chamber door. Replace if frayed or
damaged.
h. Replace hotplate ensuring that the underside fins
lie over the combustion chamber.
i. Replace the oil burner assembly within the
combustion chamber, and re-connect the copper
oil pipe to elbow.
NOTE:
ENSURE THE COPPER PIPE IS NOT KINKED
OTHERWISE AIR LOCKING WILL PREVAIL.
4. Check that the inlet valve from the oil tank is closed.
a. Remove the oil filter from the front of the oil
control valve, draining the oil into a prepared
receptacle.
Clean the filter if necessary in kerosene or warm
water and dry off. Inspect the sealing gasket of
the filter and renew if necessary.
Replace filter assembly within oil control valve.
b. Inspect and clean if necessary any filter on the oil
supply tank to the oil control valve of the cooker.
Flush the oil supply pipe and ensure it is not air
locked.
c. Remove top cover of oil control valve, remove
metering stem and clean, then check sealing
grommet is satisfactory. Replace if worn.
After refitting metering stems, ensure it is
operating freely under the spring tension.
5. a. Open main oven door fully and remove four
screws securing inner lining panel to outer door
casting.
b. Remove inner lining panel and slagwood
insulation.
c. Unscrew two hexagon nuts securing indicator to
outer door casting, and remove indicator.
d. Fit replacement indicator in reverse order of
dismantling.
6. Check the oil rates of burner at low and high fire
rates together with smoke sampling.
SERVICING INSTRUCTIONS
BI-ANNUAL SERVICING
STANDARD BI-ANNUAL SERVICE SCHEDULE
TO OBTAIN SERVICING ACCESS
TO REMOVE OIL BURNER
TO CLEAN THE FLUEWAYS
TO CHECK THE OIL CONTROL VALVE
TO REMOVE OVEN TEMPERATURE INDICATOR
LEAVE SERVICING INSTRUCTIONS WITH THE
USER FOR FUTURE USE
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