72
BOILER SEALING PANEL SEAL REPLACEMENT
71
EXPANSION VESSEL RECHARGING & REPLACEMENT
RECHARGING
1. Refer to Frame 45.
2. Remove the charge point cover.
3. Recharge the tank pressure to 0.75 bar.
4. Re-assemble in reverse order
5. Check operation of the boiler. Refer to
Frames 32-36.
REPLACEMENT
6. Refer to Frame 45.
7. Drain the boiler CH circuit. Refer to Frame 59.
8. Unscrew the union nut on the vessel water
connection pipe.
9. Support the expansion vessel and unscrew
the 2 screws from the securing clamp, located
on the top of the boiler, and remove. (Note
the position of the bracket on the vessel)
10. Remove the expansion vessel.
11. Fit the new expansion vessel.
12. Reassemble in reverse order.
13. Rell the boiler. Refer to Frame 24.
14. Check operation of the boiler. Refer to
Frames 32-36.
3
9
1. Refer to Frame 45.
2. Remove the old seal from the casing and
thoroughly clean the casing surfaces.
3. Fit the new seal, ensuring the bottom joint
provides an air tight seal.
5. Reassemble in reverse order.
6. Check operation of the boiler. Refer to
Frames 32-36.
Note. Ensure that the boiler front panel is
correctly sealed, compressing the seal
to make an airtight joint.
Recharge
Point
SERVICING