Minimiser
- Installation
36
68 GAS CONTROL VALVE REPLACEMENT
- continued
SERVICING
SER
VICING
69 GAS CONTROL VALVE SOLENOID REPLACEMENT
Refer also to Frame 10 - 'Boiler exploded view'.
To replace either solenoid follow steps 1 - 6.
1.
Refer to Frame 58.
Note.
The sealing panel need not be removed.
2.
Remove the control panel - refer to Frame 67.
3.
Undo the retaining screw and unplug the electrical lead
from the solenoid.
4.
Undo the 2 securing screws and remove the solenoid.
5.
Fit the new solenoid and re-assemble in reverse order.
6.
Check the operation of the new solenoid.
14.
Fit the new gas valve in reverse order,
ensuring that the gas injection pipe O
ring seal is refitted.
15.
Check the operation of the new gas
valve.
16.
Operate the boiler for at least 20
minutes and set the burner pressure to
the value shown on the data plate -
refer to Frame 47.
Solenoid
11
10
Manifold block
10.
Undo the retaining nut and withdraw the manifold
from the gas valve mounting bracket.
11.
Undo the 6 retaining screws and separate the gas
valve from the mounting bracket.
12.
Transfer the bracket and manifold to the new gas
valve, ensuring that any damaged or deteriorating
gaskets are replaced.
13.
Transfer the gas cock union to the new gas valve,
using a suitable approved jointing compound,
sparingly.
Mounting
bracket
3
4
