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TX Second Stage Regulator Maintenance Manual
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TX Second Stage Regulator Maintenance Manual
An Ofcial Inspection consists of:
1. A pressurised immersion test of the entire unit to check for
air leakage.
2. Checking for stable medium pressure that is within the ac-
ceptable range.
3. Checking for opening effort that is within the acceptable
range.
4. Checking for smooth operation of the control knob and
venturi switch.
5. A visual inspection of any lters for debris or dis-
colouration.
6. A visual inspection of the exhaust valve(s) to see that they
are in good condition and that it is seating against a clean
and undamaged surface.
7. A visual inspection of the mouthpiece looking for tears or
holes and checking the general condition.
8. Pulling back hose protectors and checking that the hoses are
secure in the hose crimps.
If a regulator fails steps 1,2,3 or 4 the entire regulator should be
serviced. If a regulator fails 5,6 or 7 it will be at the technician’s
discretion whether or not a full service is required. Failure of step
8 requires replacement of the Hose.
GENERAL GUIDELINES
1. In order to correctly perform the procedures outlined in
this manual, it is important to follow each step exactly in
the order given. Read over the entire manual to become
familiar with all procedures and to learn which specialty
tools and replacement parts will be required before
commencing disassembly. Keep the manual open beside
you for reference while performing each procedure. Do not
rely on memory.
2. All service and repair should be carried out in a work area
specically set up and equipped for the task. Adequate
lighting, cleanliness, and easy access to all required tools are
essential for an efcient repair facility.
3. During disassembly, reusable components should be
segregated and not allowed to intermix with non-reusable
parts or parts from other units. Delicate parts, including
inlet ttings and valve seats which contain critical sealing
surfaces, must be protected and isolated from other parts to
prevent damage during the cleaning procedure.
4. Use only genuine Apeks parts provided in the 2nd stage
service kit (AP0219). DO NOT attempt to substitute an
Apeks part with another manufacturer’s, regardless of any
similarity in shape or size. Please note that AP0219 is a
generic kit that covers several different types of 2nd stage
and therefore not all of the parts within the kit will be used
when servicing a TX 2nd stage.
5. Do not attempt to reuse mandatory replacement parts
under any circumstances, regardless of the amount of use
the product has received since it was manufactured or last
serviced.
6. When reassembling, it is important to follow every torque
specication prescribed in this manual, using a calibrated
torque wrench. Most parts are made of either marine brass
or plastic, and can be permanently damaged by undue stress.
COPYRIGHT NOTICE
This manual is copyrighted, all rights reserved. It may not,
in whole or in part, be copied, photocopied, reproduced,
translated, or reduced to any electronic medium or machine
readable form without prior consent in writing from Apeks
Marine Equipment Ltd. It may not be distributed through the
internet or computer bulletin board systems without prior
consent in from Apeks Marine Equipment Ltd.
©2006 Apeks Marine Equipment Ltd.
TX Second Stage Maintenance Manual
(AP5833 Issue 2)
INTRODUCTION
This manual provides factory prescribed procedures for the correct
maintenance and repair of the Apeks TX second stage regulator
range. It is not intended to be used as an instructional manual for
untrained personnel. The procedures outlined within this manual
are to be performed only by personnel who have received factory
authorised training through an Apeks Service & Repair Seminar. If
you do not completely understand all of the procedures outlined
in this manual, contact Apeks to speak directly with a Technical
Advisor before proceeding any further.
WARNINGS, CAUTIONS & NOTES
Pay special attention to information provided in warnings,
cautions, and notes that are accompanied by one of these
symbols:
WARN I N G S indicate a procedure or situation
that may result in serious injury or death if
instructions are not followed correctly.
CAUTIONS indicate any situation or technique
that will result in potential damage to the
product, or render the product unsafe if
instructions are not followed correctly.
NOTES are used to emphasise important points, tips,
and reminders.
SCHEDULED SERVICE
It is recommended that the Apeks TX second stage regulator should
be serviced annually regardless of usage.
However, If you are at all unsure about the correct functioning of the
Apeks TX, then it must be ofcially inspected immediately.
All service and inspection details need to be documented
in the Regulator Service Record in the back of the Owner’s
Manual to keep the Limited Lifetime Warranty in effect.
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