1St Stage Reassembly Procedures - Apeks BLACK SAPPHIRE Maintenance Manual

Removal of yoke Connection
14. Unscrew the Yoke
Knob (28) and remove the
Dust Cap (26) from the
Yoke Clamp (23). Using a
3/4" A/F spanner, unscrew
the Yoke Connector (24)
and Yoke Clamp.Remove
the 'O' Ring from the Yoke
Connector (14).
15. Insert a dowel through
the open end of the Yoke
Connector (24) and push
out the Disc Filter (25).
Removal of Removable HP valve Seat
CAUTION: Before proceeding, make sure you are
working over a padded work surface: otherwise,
the Removable HP valve Seat (16) may be
damaged during removal.
16. To remove the HP Valve Seat (16) (visible between the
two Black arrows) from the Black Sapphire Valve Body (11)
locate the end of the HP Seat Tool (PNAT53) inside the
small hole. Gently slide the tool into the hole, this will push
the HP Valve Seat out of the bottom of the Valve Body (11).
17. Remove the 'O' Ring
(14) from the HP Valve
Seat (16).
This Ends Disassembly
Black Sapphire Maintenance Manual
REASSEMBLy PROCEDURES
NOTE: Before starting reassembly perform parts
cleaning and lubrication according to the procedures
outlined in 'Cleaning & Lubrication' on page 32.
Fitting of Removable HP valve Seat
1. Install a new lubricated 'O' Ring (14) onto the Removable
HP Valve Seat (16). Locate the Removable HP Valve Seat
onto the end of the HP Seat Tool (PN AT53). Ensure that
the seating face of the Valve Seat is against the Seat Tool.
Firmly push the Seat Tool into the Valve Body (11) until the
Removable HP Valve Seat is located at the bottom of the
bore.
NOTE:
A slot on the flat face of the HP valve seat has
been added to identify the way of assembly
WARNING: The regulator will not operate if the
Removable HP valve Seat is inserted into the valve
Body incorrectly.
Removable
HP Valve Seat
9
XTX200 HP
Seat Tool
(PN AT53)