Apeks XTX FSR Maintenance Manual
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Apeks XTX FSR Maintenance Manual

First stage regulator
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TECHNICAL SUPPORT
XTX FSR & FST FIRST
STAGE REGULATOR
MAINTENANCE MANUAL
FOR
AUTHORISED TECHNICIANS
Issue 1
Document No. AP5825F
10/11/2013
APEKS MARINE EQUIPMENT LTD, NEPTUNE WAY, BLACKBURN, LANCASHIRE. BB1 2BT
Tel: 0044 (0) 1254 692200 Fax: 0044 (0) 1254 692211 E-mail: info@apeks.co.uk Web: www.apeks.co.uk

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Summary of Contents for Apeks XTX FSR

  • Page 1 XTX FSR & FST FIRST STAGE REGULATOR MAINTENANCE MANUAL AUTHORISED TECHNICIANS Issue 1 Document No. AP5825F 10/11/2013 APEKS MARINE EQUIPMENT LTD, NEPTUNE WAY, BLACKBURN, LANCASHIRE. BB1 2BT Tel: 0044 (0) 1254 692200 Fax: 0044 (0) 1254 692211 E-mail: info@apeks.co.uk Web: www.apeks.co.uk...
  • Page 2 Amendments and approval of this document can only be carried out by the relevant people listed on the Approved list of signatures, which is listed in the Apeks Quality Manual. To instigate a change, a Task / Change request form, (Form No.

  • Page 3: Table Of Contents

    XTX FSR & FST First Stage Regulator Maintenance Manual Contents COPYRIGHT NOTICE ............................... 4 INTRODUCTION ............................... 4 WARNINGS, CAUTIONS & NOTES ......................... 4 SCHEDULED SERVICE ............................4 GENERAL GUIDELINES ............................4 GENERAL CONVENTIONS ............................5 DISASSEMBLY PROCEDURES..........................5 REASSEMBLY PROCEDURES..........................7 IMMERSION TESTING ............................

  • Page 4: Copyright Notice

    This manual provides factory prescribed procedures for the If a regulator fails steps 1,2, or 3 the entire regulator should correct maintenance and repair of the Apeks FSR & FST first be serviced. If a regulator fails 4 or 5 it will be up to the stage regulators.

  • Page 5: General Conventions

    XTX FSR & FST First Stage Regulator Maintenance Manual GENERAL CONVENTIONS Removal of hose Unless otherwise instructed, the following terminology and 1. Using a 9/16 spanner, remove all of the hoses from the techniques are assumed: first stage. Remove the ‘O’ Ring from inside the Hose When instructed to remove, unscrew, or loosen a Swivel.
  • Page 6 XTX FSR & FST First Stage Regulator Maintenance Manual 10. Remove the Moulded Ring (5) and using a 34mm Removal of Balance Plug Assembly open ended spanner unscrew the Diaphragm Clamp (6). 6. Using a 6mm Allen key unscrew the Balance Plug (18) and withdraw the Balance Plug assembly.

  • Page 7: Reassembly Procedures

    XTX FSR & FST First Stage Regulator Maintenance Manual Removal of Yoke Connection 17. Remove the ‘O’ Ring (12) from the HP Valve Seat (13). 14. Unscrew the Yoke Clamp Screw (24) and remove the Protective Cap (22) from the Yoke Clamp (19). Using a 3/4”...
  • Page 8 XTX FSR & FST First Stage Regulator Maintenance Manual Assembling and fitting of Yoke Connection Assembling and fitting of DIN Connection 4. Install a new ‘O’ Ring (23) into the face of the 1. Insert a new Disc Filter (21) with the smooth side out, Handwheel Connector (30).
  • Page 9 XTX FSR & FST First Stage Regulator Maintenance Manual Fitting of the Dry Sealed Chamber 7. Drop the Valve Lifter (10) through the centre hole of 10. Press the Spring (15) onto the end of the H.P. Balance the Valve Body (11). Press a new Diaphragm (9) into Plug.
  • Page 10 XTX FSR & FST First Stage Regulator Maintenance Manual 4. Assuming there are no leaks, close the cylinder valve Adjusting the First Stage and depressurise the regulator by opening the gauge relief valve or by pressing the purge button of the...

  • Page 11: Immersion Testing

    XTX FSR & FST First Stage Regulator Maintenance Manual 2. Thread the Environmental End Cap (1) onto the Diaphragm Clamp (6) until hand tight. Using the C Spanner (PN AT30), tighten the Environmental End Cap (1) until there is metal to metal contact. Re-check the medium pressure, making sure that it is still between 9 and 10 bar.
  • Page 12 XTX FSR & FST First Stage Regulator Maintenance Manual Table 1 - Troubleshooting Guide SYMPTOM POSSIBLE CAUSE TREATMENT 1. HP Valve (14) is worn or damaged. 1. Replace HP Valve. 2. Removable HP Valve Seat(13) is worn or 2. Replace Removable HP Valve Seat.
  • Page 13 XTX FSR & FST First Stage Regulator Maintenance Manual Table 2 - Recommended Tool List PART NO. DESCRIPTION APPLICATION AP0430 I.P. test gauge Intermediate pressure testing AT79 ‘O’ Ring removal pick ‘O’ Ring removal AT30 C spanner Removal of Diaphragm Clamp & End Cap...
  • Page 14 XTX FSR & FST First Stage Regulator Maintenance Manual Table 3 - Recommended Lubricants & Cleaners LUBRICANT / CLEANER APPLICATION SOURCE Christo-Lube MCG-111 All ‘O’ Ring seals Apeks Marine Equipment Ltd ® (Lubricant) PN AP1495, or Lubrication Technologies 310 Morton Street...

  • Page 15: Cleaning And Lubrication Procedure

    Therefore, if a regulator has had use with Grade E or EN 12021 breathing air, it should be returned to an authorised Apeks dealer for overhaul service including oxygen cleaning, prior to being put back into nitrox service.
  • Page 16 XTX FSR & FST First Stage Regulator Maintenance Manual Table 4 - Torque Specifications PART NUMBER DESCRIPTION / KEY NUMBER TORQUE AP1471, AP1471/PVD Handwheel Connector (33) 20 Nm / 14.7 lbf/ft AP5309 H.P. Balance Plug (18) 8 Nm / 5.9 lbf/ft...

  • Page 17: Fsr Xtx200 Exploded Parts Drawing

    XTX FSR & FST First Stage Regulator Maintenance Manual XTX FSR (XTX 200) Exploded Parts Diagram All * items in bold italics to be replaced when servicing AP1484 Environmental End Cap AP5309/B H.P Balance Plug AP1484/PVDS Tungsten End Cap AP1403...

  • Page 18: Fst Xtx100 Exploded Parts Drawing

    XTX FSR & FST First Stage Regulator Maintenance Manual XTX FST (XTX100) Exploded Parts Diagram All * items in bold italics to be replaced when servicing AP1484/S Environmental End Cap AP1403/S Yoke Clamp AP1482F/1 Hydrostatic Diaphragm AP1407/S Yoke Clamp Connector...
  • Page 19 TECHNICAL SUPPORT FSR & FST FIRST STAGE REGULATOR MAINTENANCE MANUAL AUTHORISED TECHNICIANS Apeks Marine Equipment Ltd Neptune Way, Blackburn, Lancs, England, BB1 2BT...

This manual is also suitable for:

Xtx fstXtx 100Xtx 200

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