SIRS NAVIGATION LTD
COMPONENT MAINTENANCE MANUAL
DISASSEMBLY
1. General
The work must be done in a clean environment.
2. Tools and Equipment
Non Magnetic Screwdrivers, clean glass container (up to 100ml).
3. Procedure
A. Corrector Assembly (160)
(1) Remove the four screws (170) from the corrector assembly (160).
(2) Remove the corrector assembly from the compass bowl (180).
B.
Bellows
(10)
(1) Remove the ‘filling plug’ (190), disc (210) and washer (200). Discard the
washer.
(2) Remove the fluid from the compass and put in a clean, glass container. Push
and pull the bellows (10) to help this procedure.
(3) Seal the glass container and keep in a cool, dry, dark environment.
(4) Heat the nut (40) with a ‘soldering iron’ to melt the solder then remove the
nut.
(5) Open the the retaining clip (20) and remove it from the compass bowl.
(6) Remove the packing piece (50).
(7) Remove the bellows (10) and the bellows gasket (60).
(8) Remove the compensating ring (70).
NOTE: Be careful not to damage the bellows or gasket during removal.
(9) Discard the bellows gasket (60).
PAGE 3001
APR 10/03
34-25-21
The document reference is online, please check the correspondence between the online documentation and the printed version.
