17
OPTIC EXCALIBUR
English
•
Loosen the ring nut
(
M5
) using a 30 mm spanner (
M7
). The
ring nut (
M5
) must only be loosened enough to allow disas-
sembly;
•
Unscrew the entire pressure switch unit (
M8
);
REFITTING AND SETTING PROCEDURE
•
While the unit is still disassembled turn the setting knob
(
M1
)
clockwise to tighten it, until it is at the end of its thread;
•
Refi t the unit
(
M8
) in its original position;
•
Check
gaskets
(
a
), (
b
), (
c
) and (
d
), and replace if necessary.
Grease the gaskets using Vaseline;
The ring nut
(M5) must be in the position marked
before it was disassembled.
Open
Close
M4
M4
M5
M7
M8
d
Ref. 11955
b
Ref. 18554
a
Ref. 18755
M1
M5
c
Ref. 18553
Reference mark
Summary of Contents for Larius
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