b. Ensure that the oil line isolating valve, near to the
appliance is turned
OFF
and the trip lever on the
appliance
D
is lifted up.
c. Set boiler and cooker oil control valve knob
C
to
OFF
.
d. To Remove Cooker Burner
(i) Break the cooker oil feed pipe at inlet joint (Fig. 19)
taking care to collect Kerosene residue from burner oil
pipe when inlet joint is separated.
(ii) Carefully lift complete oil burner assembly (See Fig.
19) out of combustion chamber, and stand on servicing
surface.
e. To Remove Boiler Burner - See Fig. 15.
(i) Slacken off boiler strap retaining bolts and remove
boiler strap
S
.
(ii) Disconnect electric ignition glo-coil at terminal
connections on boiler burner front, then push the
connecting leads backwards to provide burner withdrawal
access.
(iii)Remove flame sensor via location on boiler burner
front.
(iv)Break the boiler pilot and main oil feed pipes at burner
pot inlet joints, taking care to collect Kerosene residue
from burner oil pipe when the inlet joints are separated.
Push pipework down.
(v) Place hand on boiler burner handle
R
and carefully,
but forcefully, draw burner assembly forward from cooker,
and lift out onto servicing area.
To Clean Cooker Burner - See Fig. 19
(i) Disconnect the oil supply pipe from the carbon leg
assembly and lift the burner assembly out of the burner
chamber.
(ii) Undo top nuts and remove air distribution disks and
top heat baffles, brush these parts clean, free of soot etc.
(iii)Remove burner shells and check that any heat
deformation is minimal, the assembly is free of heat
oxidised surfaces, and is interlocked together. Remove
any internal/external surface deposits with soft brush.
(iv)Remove the wicks from oil burner base.
If the wicks are badly charred or heat hardened, prepare
replacements.
(v) Carefully remove any carbon deposit on machined
surfaces of oil burner base which provide seating for
burner shells.
Remove end plugs from burner base and scrape/brush
the internal core until free of deposit. Then refit the plugs
using an oil resistant sealant.
DO NOT MARK OR DAMAGE MACHINED SURFACE.
Scrape and remove carbon deposit from burner base wick
grooves.
(vi)Detach burner oil feed pipe from burner base elbow
and scrape/brush the internal core of the burner base
elbow until it is free of deposit.
Use pipe cleaner to brush open end of oil feed pipe free
of deposit, then reconnect to burner base, using an oil
resistant sealant.
Re-assemble Cooker Burner.
NOTE: ENSURE ELBOW AT OPPOSITE END OF THE
CARBON LEG ASSEMBLY IS ORIENTATED
CORRECTLY TO THE BURNER BASE ELBOW, AND
THE CARBON LEG SLOPES UPWARDS OR LEVEL TO
BURNER BASE ELBOW.
(vii) Place the burner base into the burner chamber,
locating the legs into the recesses and check the base sits
level, adjust if necessary but note; the oil depth will need
to be checked and set if burner height is adjusted.
(viii) Remove burner base and follow assembly
instructions in the section “setting up the cooker burner”.
(ix)Place the burner assembly into the combustion
chamber locating support legs in recess of the
combustion chamber base.
15
Fig.15
Fig.16
DESN 510388 A
Fig.17 Removal of Hot Plate
DESN 510836 A
DESN 510145 A