SERVICE SHEET FOR PB1(F)V & PB2(F)V
SERVICE SHEET FOR PB1(F)V & PB2(F)V
DISCONNECT FROM ELECTRICITY SUPPLY BEFORE COMMENCING SERVICE
1. Replacing top oven bulb: Access is gained through top oven door, lever off glass cover, unscrew
bulb - replace cover ensuring cut-out in cover is over bulb housing side.
2. Replacing lower bulb (below main oven): Carefully tip oven onto front or back (not side) using a
towel or similar for protection. Unscrew central bulb. Reverse process.
3. Replacing door seal (main oven): Lift door off hinges, lie flat with seal facing upwards, unscrew
all screws next to seal, remove seal and replace. Reverse process. *Ensure seal is tucked inside lip
on cast door and is even all round before fully tightening screws - do not over-tighten.
4. Replacing top oven bulb assembly: Remove outer canopy, 2 screws each side, remove inner
canopy by removing 2 side blocks, (allen key needed). Pull off wire connectors. Assembly can be
removed through oven after pushing in clamps around sides. Reverse process.
5. Replacing top oven element - PB2(F)V only: (5.1) Remove panel (opposite side to doors) by
unscrewing 2 outer screws and removing top brass convex strip, slacken slightly lower convex strip,
tilt top of panel forward and pull upwards. (When replacing ensure top convex strip goes back the
same way with arrow on back pointing upwards). (5.2) Remove wire connectors, unscrew 4 screws
from panel element is bolted to, pull out complete assembly, unbolt from element, pull back side
clips from each side of element, replace element. Reverse process. *Test oven by switching off
main oven (green) switch on top oven (red) and wait until heat is felt in top oven.
6. Replacing thermal cut-out: (6.1) As 5.1. (6.2) Remove wire connectors, unscrew 2 screws and
remove fibre washers behind plate. Reverse process. *Important - fibre washer must be replaced
between cut-out plate and oven or oven will cut-out prematurely and disable cooking process. Test
oven at full temperature and allow to cycle several times. If whole oven (including lights) go off,
cut-off plate needs bending away from oven - retest when cooled.
7. Replacing main oven fan: (7.1) Remove element cover inside oven by screwing 2 nuts on cover
and pulling outwards. (7.2) Unscrew central nut clockwise, remove fan blade. (7.3) As 5.1.
(7.4) Pull off wire connectors from fan motor, unscrew 3 nuts securing fan assembly also 3 brass
washers and 3 silicone washers, remove fan assembly, check condition of silicone washers under
fan assembly and if deteriorated - replace. Reverse Process. *When replacing fan assembly ensure
there are silicone washers either side of back plate. *Use nut loc or similar on nuts to prevent them
from coming loose!. Test oven by turning green switch on, turn thermostat to mid setting (150-
200°C) towards neon. Allow oven to cycle several times, making sure fan blade does not catch on
element cover.
8. Replacing main oven element: (8.1) As 5.1. Remove wire connectors from element (below fan).
(8.2) As 7.1. (8.3) Unscrew central screw and off-centre screw, pull out element and replace.
Reverse process. *Test oven
9. Replacing thermostat: (9.1) As 7.1. (9.2) Carefully open slightly, 2 clips holding thermostat
sensor. Move in line with hole capillary passes through. (9.3) As 5.1. (9.4) Pull capillary and
sensor though and move out of way. Pass new thermostat sensor through hole and put into position
in clips. Carefully close clips back to hold sensor. Push new thermostat body, old excess capillary
and sensor through slot where wire etc passes down into cavity. *Leave new capillary slightly slack
as not to pull on sensor inside oven. Tidy and secure new capillary onto earth wire and ensure it is
routed well away from any element and fan motor connections using cable ties. Reverse process
5.1. (9.5) Carefully tip oven onto front or back (not side) using a towel or similar for protection.
(9.6) Remove complete access panel from underneath after unscrewing all screws from outside edge
of panel. (9.7) Pull off thermostat knob, unscrew large nut and washer from outside of panel, pull
old thermostat out completely. Position new thermostat through locating holes with flat on shaft
facing noen. Replace access panel, position back on feet. *Test thermostat by turning knob with
mid setting towards neon. Wait until neon goes out and cycles several times before turning off.