ABB SM3000 Instructions page 3

...3 Membrane Switch Sub-Assembly Replacement – Figs. 3.1 to 3.3
5) Disassemble the display molding – see Fig. 3.3
Remove screws
1
(2 off) securing
lower bracket
and remove
bracket
Remove jacking
3
screw circlip...
...and jacking
5
screw, ensuring
nylon spacer
under head
remains on
jacking screw
6) Fit the items removed at step 5) to the new display molding
– see Fig. 3.3.
7) Refit the chassis to the display molding – see Fig. 3.2.
8) Refit the instrument to the case – see Fig. 3.1.
9) Restore the power supply to the instrument.
Remove screws
(3 off) securing
upper bracket
... nylon spacer...
4
ensure one nylon spacer is fitted below the
screw head and another below the circlip.
disassembly.
Fig. 3.3 Disassembling the Display Molding
2
and remove
bracket
Note. When fitting the jacking screw,
Information. Reassembly is the reverse of
3