Stovax PR0919 - Manual (Page 30)

30
SERVICING INSTRUCTIONS
REPLACING PARTS
13. MAIN INjECTOR
13.1 To change the main injector:
• Undo the injector fee pipe
• Undo the lock nut from the injector
• Replace with the correct size injector
14. PRIMARY AERATION PLATE
NOT ALL MODELS HAVE AERATION PLATES. REFER TO
NOTE AT BEGINNING OF INSTALLATION
INSTRUCTIONS.
14.1 Remove the burner module as described in Servicing
section 2.
14.2 Remove the fixing screw and slide the plate off the venturi.
14.3 Replace with the correct size plate and secure with the
screw. Ensure the lower edge of the plate is located over
the venturi flange. See diagram 20.
20
AR0766
15. CHANGING BETWEEN GAS TYPES
In order to change between gas types, it will be necessary to
change the following items:
Burner Unit
Pilot Injector
Control Valve
Injector
Aeration Plate (if required)
Data badge
A kit of parts is available for this, always quote the Model
number and Serial number when ordering any spare parts.
NOTE: THE CONTROL VALVE IS FACTORY PRESET FOR
THE CORRECT GAS TYPE AND MODEL, A NEW UNIT
WILL NEED TO BE ORDERED WHEN CHANGING
BETWEEN GAS TYPES.
16. PRESSURE AND LEAk TESTING THE
APPLIANCE
16.1 Follow Section 7, Main Control Assembly, 7.1 and 7.2
• Access to the pressure test point can now be reached,
Diagram 21
21
AR1888
16.2 To leak test any gas joints on the appliance, the control
assembly must first be undone and tilted backwards, see
Section 7, 7.5 Diagram 13
16.3 Because there is now no burner fitted to perform a leak test,
place a manometer tube over the injector tip.
• Light the appliance and spray any joints with leak
detector fluid
• Tighten joints or replace as required