Potterton MULTIPOINT Installation And Service Instructions Manual page 18

Replacement of Parts - Page 18
Fig. 37
Fig. 38
6.13. PILOT VIEWING GLASS AND SEAL
a. Complete steps a., b. and c. of section 6.2.
b. The viewing glass and seal are fixed to the inside of the
outer case by 2 metal tabs. Bend back the tabs and
remove the glass and seal. Secure the new glass and
seal to the outer case by bending over the 2 spare
straight tabs.
6.14. ENERGY CUT-OFF DEVICE
a. Gain general access - see 6.2.
b. Disconnect the energy cut-off leads from the interrupter
located on the underside of the chassis.
c. Remove the 2 screws securing the energy cut-off
device to the heating unit (located top front left).
d. Pull the leads complete with grommets up through the
chassis base.
e. Fit the new energy cut-off device which comes
complete with grommets.