Manual Part No: 931762-01
MV1 Gas Steamer
- 18 –
Manual Rev No: 2
Service and Maintenance (cont.)
Pilot Assembly
1)
Turn off gas supply.
2)
Remove four screws securing lower heat shield and withdraw shield followed by the three screws
fixing the top heat shield.
3)
Disconnect thermocouple and thermopile from the pilot bracket.
4)
Disconnect pilot pipe from pilot bracket, taking care not to lose pilot injector.
5)
Remove nut & washer securing pilot assembly to burner.
6)
Remove two screws and nuts securing pilot assembly to bracket.
7)
Re-fit pilot assembly by reversing the above procedure.
Water Inlet Valve:
1)
Turn off water supply.
2)
Remove two screws and lift off fascia panel.
3)
Disconnect union at inlet of valve.
4)
Slacken lock nuts and withdraw valve complete with ball float from break tank.
5)
Overhaul or renew valve and refit by reversing removal procedure.
6)
Turn on water supply and check operation of inlet valve, see: “
TESTING
” on page 9.
Doors:
Steamer Compartment
1)
Remove caps from door hinges, exposing fixing screws.
2)
Release fixing screws, being careful not to lose spacing shim.
3)
Repeat step (2) and lift door away.
4)
Refit by reversing removal procedure.
Burner Compartment
1)
Remove two screws securing bottom door hinge to base frame.
2)
Lower door and remove, taking care not to lose door bushes.
3)
Refit by reversing removal procedure.
Float switch
1)
Turn of the water supply and drain down.
2)
Remove the two screws from the control panel to gain access to the header tank.
3)
Disconnect the float switch wires from the control valve and the thermostat. Remove the back
nut from the float switch and pull switch and wires through the side of the header tank.
4)
Re-fit by reversing the procedure, ensuring that the rubber seal is fitted to the inside of the tank
and checking for leaks when the water is turned on.
