33
SECTION 3 - SERVICING
3.32 EXPANSION VESSEL RECHARGING & REPLACEMENT
3.33 BOILER SEALING PANEL SEAL REPLACEMENT
1.
Refer to Section 3.8.
2.
Remove the old seal from the reverse side
of boiler door and thoroughly clean the
casing.
3.
Fit the new self adhesive seal ensuring all
joints provide an air tight seal.
5.
Reassemble in reverse order.
6.
Check operation of the boiler.
Note.
Ensure that the boiler front panel is
correctly sealed, compressing the seal
to make an airtight joint.
8
9
RECHARGING
1.
Refer to Section 3.8.
2.
Drain the boiler CH circuit. Refer to Section
3.19.
3.
Remove the charge point cover.
4.
Recharge the tank pressure to 0.75 bar.
5.
Re-assemble in reverse order, re-fill the boiler
and add the correct volume of anti-freeze.
6.
Check operation of the boiler.
REPLACEMENT
7.
Refer to Section 3.8.
8.
Drain the boiler CH circuit. Refer to Section
3.19.
9.
Remove the retaining clip on the vessel
connection pipe.
10.
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)
11.
Remove the expansion vessel taking care not
to damage the adjacent wiring harness.
12.
Fit the new expansion vessel.
13.
Drain the boiler CH circuit. Refer to Section
3.19.
14.
Reassemble in reverse order ensuring the ‘o’
ring seal is in place.
15.
Refill the boiler and add the correct volume of
anti-freeze.
16.
Check operation of the boiler.
Recharge
Point
Seal