Repairs: Information and Instructions 15
11. Carefully push pressure gauge 1 upward out
of resilient ring 42.
12. Remove resilient ring 42.
13. Disconnect the electrical power pack connec-
tors X100, X101 and X103 from the board.
14. Detach the front keyboard from inside through
the front of the case, by pressing the mem-
brane keyboard out upwards and carefully
pulling it off.
15. Clean the old adhesive area until no adhesive
residues are left.
16. Take the new membrane keyboard 5 and re-
move the protective layer from the adhesive
surface. Run the ribbon cable through the
opening in the case front.
Take care when inserting the ribbon cable
through the opening in the housing; it must be
properly routed without any kinks.
17. Stick the new membrane keyboard 5 in the
correct position on the case.
18. Pull the protective film off the new membrane
keyboard.
19. Insert resilient ring 42 in the front of the case
again.
20. Using a little methylated spirits, carefully insert
the new pressure gauge 1 downwards into the
resilient ring 42 (making sure to align it correct-
ly). Roll the rubber cuff onto the pressure gauge
with your fingers.
21. Secure the pressure gage by fitting cable tie
43 around the resilient ring.
22. Insert the board again and screw it up firmly.
23. Carefully restore the electrical connections
X100, X101 and X103.
24. Carefully push tube 58 onto the regulator unit.
25. Attach the tube connector to the pressure gage
using a 7mm open-end wrench.
26. Insert the power pack again and screw it firmly
in place.
42
1
42
1
43
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