Second Stage Disassembly Procedures - Aqua Lung APEKS TX 50 Technical Manual

DISASSEMBLY PROCEDURES
TX 50 Second Stage Disassembly
1
Using two 11/16 inch open
end wrenches, hold the
heat exchanger (2) stationary
and turn the hose swivel nut
counterclockwise to remove
the second stage.
2
Carefully remove the o-ring from the swivel end of the hose
and discard. Pull back the hose protectors and inspect the
hose crimps. If the crimp is damaged or the hose is pulling out of
the crimp, the hose must be replaced.
3
Use the Apeks cover tool
(PN AT31) to remove the
case cover (7) from the case
(10).
4
Push in the tabs on the back side of the purge button (5) to
release it from the case cover (7). Separate the spring (6)
from the purge button.
5
Remove the diaphragm cover (8) and diaphragm (9) from the
case (10). Use an 11/16 inch open end wrench to remove the
heat exchanger (2) from the case.
6
Turn the adjusting screw (23) out counter-clockwise until it
stops. Hold the lever (21) down and slide the valve spindle
(20) out of the case (10). Remove the valve spindle o-ring (3), it
might remain in the left side of the case.
7
Slide the venturi lever (16) out of the case. Remove o-ring
(12) from venturi lever and discard.
NOTE: The venturi lever may have come out with the valve
spindle in the previous step. If this has happened, hold down
the lever and slide the venturi lever off the valve spindle.
8
Turn the adusting screw
(23) in one turn to release
the pressure on the pin (17).
The pin will drop out of the
valve spindle (20).
NOTE: If the pin remains in the valve spindle, it is ok to push it
out using the seat extraction tool.
13