9
Version 1, 15 June 2020, 9 of 16
3.
Unscrew brass top assembly with a suitable
spanner (26mm). Care must be taken to ensure
that the underside of the cap does not receive
any damage.
4.
Remove O-ring from thread of top assembly.
Replace the largest O-ring supplied in the kit
(adequately grease O-rings with potable water
approved silicon-based lubricating grease such as
Molykote 111 before refitting).
Remove wire circlip from brass top assembly, screw
out the plastic spindle and replace the smaller
O-ring.
5.
Carefully remove the spindle from the center of
the body.
6.
Remove O-ring from spindle. Replace with O-ring
supplied in the kit. (adequately grease O-rings with
a potable water approved silicon-based lubricating
grease such as Molykote111 before refitting).
7.
Insert cartridge assembly taking extreme
caution not to damage any surface of the piston.
8.
Refit the TMV top assembly back to the body and
tighten to a maximum torque of 10Nm.
9.
The valve must be recommissioned as per section 7.0 including temperature adjustments and the
shutdown test.