Falcon g3478 Installation & Service Manual - page 6
3.10 TO CLEAN BALL VALVE
Turn OFF mains water supply and drain steamer tank at
draw off tap.
Remove cistern lid.
Remove split pin from valve body.
Raise ball valve arm slightly and withdraw from valve
socket.
Unscrew cap at valve end and extract valve plug.
Clean all components with a soft rag. DO NOT USE
ABRASIVES.
Replace in reverse order and test soundness.
Flush out pipes to steaming oven and re-fit tank.
Check water level as detailed in Section 2.3
(2.)
3.11 ADJUSTING DOOR FIT
Check that door seal is in good condition.
When oven is operating on full steam there should be no
escape of steam around the door periphery. Condensed
water should not drip into the trough when the door is
securely close.
If the seal is damaged, remove the seal by pulling away
from the door.
Replace seal by firmly pushing the new seal into the door
frame until fully home.
To adjust door catch:
Undo lock nut on the door catch
Adjust catch
Tighten lock nut
3.7.2 To Regrease Tap Plug
Undo fixings that retain securing plate to valve body.
Remove securing plate, spindle and brass disc to expose
plug.
Withdraw plug and clean it and the body with a soft rag
before regreasing with an approved high temperature
lubricant. DO NOT OVERGREASE.
During re-assembly, it will be noticed that steel pin in
operating spindle end will only locate in one position.
Re-assemble in reverse order.
Important
Following re-assembly, tap operation should be checked
at all settings. Ensure that red spot on knob indicates
correct position.
(i.e. Check that spindle adaptor has been
replaced in correct position.)
3.7.3 Setting Low Rate
Low rate is sent by adjustment. Turn low flame
adjustment screw clockwise to reduce pressure. Value is
indicated in Section 1.9.
Figure 2
Upon completion, turn burner OFF. Remove pressure
gauge and replace test point screw.
3.8 GOVERNOR
(NATURAL GAS ONLY)
This component is maintenance free. Check that blue
dust cap for vent is fitted and in good condition.
This protects breather hole. Ensure flow direction arrow
points toward appliance inlet.
3.9 DOUBLE CHECK VALVE
This component is maintenance free.
This water supply safety feature must always be fitted to
prevent backflow. Ensure flow direction arrow points
toward ball valve inlet.
Burner feed
Low flame
adjustment
screw
Gas in