Apeks XTX200 Maintenance Manual page 8

12. Remove the 'O' Ring (31) from the Adjusting
Screw.
Remove the Plug (26) from the Adjusting Screw. Using
an Allen key, unscrew the Spring Adjuster (27) and
press the spring adjuster out. Remove the two 'O'
rings (28 & 29) from the Spring Adjuster.
13. Remove the 'O' Ring (7) from the Valve Spindle.
14. Insert a small 1/8" wooden dowel into the threaded
end of the Valve Spindle and push out the Shuttle
Valve assembly (32-36). Separate the Shuttle Valve
assembly by pulling on each end.
XTX Second Stage Regulator Maintenance Manual
15. Using a fingernail, remove the Rubber Seating (36)
and small 'O' Ring (34) from the Shuttle Valve.
16. Using a Slotted Seat Adjuster (PN AT51), turn the Seat
(15) six to seven full turns anti-clockwise. Since the
Seat is 'O' Ring sealed, it will not completely unscrew
from the Valve Spindle. Insert a pair of external
circlip pliers into the Valve Spindle, and pull the Seat
completely out. Remove the 'O' Ring (16) from the
Seat.
17. To remove the Spindle Collar (17), push both edges of
the collar as shown below.
NOTE:
Collar under normal servicing circumstances,
unless it is deemed relevant by the service
technician, for example if it is damaged or dirty.
18. The Lever (20) should be inspected for deterioration, it
is NOT necessary to remove it from the Valve Spindle.
If the Lever is to be removed, carefully pull one of
the legs out of the Valve Spindle and then ease the
second leg out.
8
It is not necessary to remove the Spindle