Riva2 600 600HL Conventional Flue Installation Instructions
36
Servicing Instructions - Replacing Parts
6.3 Set the spark gap, see Diagram 19.
19
15mm
4mm
6.4 Check for gas leaks.
7. Ignition Lead
7.1 Remove the main burner, see Section 5.
7.2 Turn the burner over and place on a soft surface so as to
not damage the unit.
7.3 Remove the pilot shield by removing the 2 screws.
7.4 Disconnect the ignition lead from the electrode and from the
control box, see Diagram 20.
13
Ignition lead
20
7.5 Replace with a new ignition lead following the original route.
Refit the Vidaflex cover over the lead. Ensure the cover
engages fully over the electrode.
7.6 Check the operation of the new ignition lead.
7.7 Replace the pilot shield.
7.8 Replace the main burner.
8. Gas Valve
To change the gas valve:
8.1 Remove the burner module as described in Servicing,
Replacing Parts, Section 5.
8.2 Turn the burner over and place on a soft surface so as to
not damage the unit.
8.3 Disconnect the gas inlet pipe, see Diagram 21, Arrow A.
8.4 Disconnect the gas outlet pipe, see Diagram 21, Arrow B.
8.5 Disconnect the pilot pipe, see Diagram 21, Arrow C.
8.6 Disconnect the thermocouple, thermocurrent wires and the
interrupter block, see Diagram 21, Arrow D.
8.7 Remove the eight wire loom, see Diagram 21, Arrow E.
C
D
A
B
E
21
8.8 Remove the 2 screws securing the valve to the support
bracket and withdraw the valve.
Replace in reverse order and check for leaks.
9. Magnetic Safety Valve
9.1 Remove the burner module as described in Servicing,
Replacing Parts, Section 5.
9.2 Turn the burner over and place on a soft surface so as to
not damage the unit.
9.3 Undo the thermocouple from the interrupter block and
remove the two interrupter leads.
9.4 Unscrew the interrupter block from the back of the valve.
9.5 Undo the silver magnetic valve retaining nut on the back of
the valve.
9.6 Gently tap out the mag valve.
9.7 Replace with a new unit.
9.8 Reassemble in reverse order ensuring that the interrupter
leads are connected correctly with the blue tag lead furthest
away from the gas valve body.
9.9 Check for leaks.