Apeks XL4 SECOND STAGE User Manual

15
Place the inner locking
ring (4) with the at side
facing up onto the diaphragm
(6). Use the diaphragm clamp
tool (RG911161) to slowly tighten
the inner locking ring clockwise
into the case (7) until handtight.
Once the diaphragm is secure,
gently grip the diaphragm pad
between the thumb and foren-
ger; gently pull from side to side
to conrm diaphragm is secure.
16
Install the o-ring (13) into
the swivel end of the MP
hose (28).
ADJUSTING LEVER HEIGHT
WARNING: Compressed air can be highly explosive and is
dangerous if misused. Ensure the cylinder valve is opened
slowly. Use eye and ear personal protective equipment when
performing any tests involving compressed air.
CAUTION: Prior to adjusting and testing the second stage
regulator, the accompanying rst stage must be correctly
serviced and adjusted to a stable MP and fully tested. Refer to
the appropriate rst stage technical manual before attempting
to perform the adjustment and testing of the second stage.
2
Conrm the male end of the
MP hose is connected to
a properly adjusted rst stage
regulator. Thread the swivel end
of the hose to the other end of
the inline tool. Finally, attach the
rst stage to a calibrated test
bench or cylinder and slowly
pressurize the first stage to
3,000 psi (207 bar).
1
Spread the inline adjustment tool (RA911123) apart and thread
it on the second stage inlet tting.
4
Place the “GAS FLOW” side of the lever setting tool (RA911116)
onto the plastic pad of the diaphragm (6). Depress the dia-
phragm by pushing the tool in until it stops against the case (7).
If gas ows from the valve follow step 6.
If no gas ows from the second stage proceed to step 5.
NOTE: The second stage “SHOULD LEAK AIR” with this test. If it
does not, the lever is set too low.
NOTE: It is important to ensure that the rim of the lever setting tool
(RA911116) is centered with the case (7). If the tool is misaligned it
will not measure the purge button (depth of pressing) and sensitiv-
ity, correctly.
3
Gently purge the second
stage 2-3 times to conrm
there is air ow.
ADJUSTING AND TESTING
NOTE: If The second stage is leaking, turn the inline adjuster
clockwise until the leaking stops.
CAUTION: The air ow should be continuous with no uttering.
NOTE: The inline adjustment tool (RA911123) can be used for
crowns with a at screwdriver slot or a hex hole. Set the inline tool
to the hex slot setting.
Align tool to
locking ring
10

Apeks XL4 SECOND STAGE Specifications

General

Brand	Apeks
Model	XL4 SECOND STAGE
Category	Diving Instrument
Language	English