Apeks XTX200 Maintenance Manual
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Apeks XTX200 Maintenance Manual

Xtx series second stage regulator range
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XTX SECOND STAGE
MAINTENANCE MANUAL
AUTHORISED TECHNICIANS
Document No. AP6209F
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
REGULATOR
FOR
TECHNICAL SUPPORT
Issue 1
30/10/2013

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Summary of Contents for Apeks XTX200

  • Page 1 TECHNICAL SUPPORT XTX SECOND STAGE REGULATOR MAINTENANCE MANUAL AUTHORISED TECHNICIANS Issue 1 Document No. AP6209F 30/10/2013 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

    CLEANING AND LUBRICATION PROCEDURE ....................21 TABLE 4 -TORQUE SPECIFICATIONS ......................... 22 TABLE 5 - TEST BENCH SPECIFICATIONS ......................22 XTX TUNGSTEN, XTX200, XTX100 EXPLODED PARTS DRAWING ..............23 XTX50 EXPLODED PARTS DRAWING ......................... 24 XTX40 & XTX20 EXPLODED PARTS DRAWING ....................25...

  • Page 4: Range Covered

    XTX Second Stage Regulator Maintenance Manual RANGE COVERED This manual provides factory prescribed procedures for the correct maintenance and repair of the following Apeks XTX second stage regulator range. XTX200 / XTX100 Flagship model, features include: - Adjustable cracking control...

  • Page 5: Copyright Notice

    If a regulator fails 5,6 or 7 it will be up through an Apeks Service & Repair Seminar. If you do not to the technician’s discretion whether or not a full service completely understand all of the procedures outlined in this is required.

  • Page 6: General Conventions

    11 is the key number to the Blanking Piece ‘O’ Ring. replaced. DISASSEMBLY PROCEDURES Removal of diaphragm 3. Using the Apeks XTX Tool (PN AT20F), unscrew the NOTE: Before performing any disassembly, Case Cover (2). refer to the exploded parts drawing, which refer- ences all mandatory replacement parts.
  • Page 7 XTX Second Stage Regulator Maintenance Manual 8. Grasp the Venturi Lever (13 + 14) and pull it out of the 4. Lift out the Diaphragm Cover (3) and Diaphragm (4). Case (24). Remove the ‘O’ Ring (9) from the Venturi Inspect the Diaphragm.
  • Page 8 XTX Second Stage Regulator Maintenance Manual 15. Using a fingernail, remove the Rubber Seating (36) 12. Remove the ‘O’ Ring (31) from the Adjusting and small ‘O’ Ring (34) from the Shuttle Valve. Screw. Remove the Plug (26) from the Adjusting Screw. Using an Allen key, unscrew the Spring Adjuster (27) and press the spring adjuster out.

  • Page 9: Reassembly Procedures

    XTX Second Stage Regulator Maintenance Manual 19. To remove the Exhaust Tees (21) & (23), depress the retaining button located in the centre (see picture) and REASSEMBLY PROCEDURES slide the Left Hand Exhaust Tee (21) off the Case (24). Then Slide the Right Hand Exhaust Tee (23) off the Fitting Exhaust Valve and Exhaust Tees case.
  • Page 10 XTX Second Stage Regulator Maintenance Manual 8. If you removed the Lever (20), position the Valve Assembling and fitting valve assembly Spindle (18) so that the Lever Hole is to the left of the centre line and the Dimple is to the right of the centre line with the threaded end facing you.
  • Page 11 XTX Second Stage Regulator Maintenance Manual 10. With the “feet” of the Shuttle Valve pointing downward (away from the Lever) and the Lever pointing straight up (perpendicular to the Valve Spindle), insert the Valve assembly into the Valve Spindle. Using your finger, press the Shuttle Valve assembly all the way into the Valve Spindle.
  • Page 12 XTX Second Stage Regulator Maintenance Manual 14. Install a new, lubricated ‘O’ Ring (9) onto the Ven- 17. Slide a new, lubricated ‘O’ Ring (7) down the threaded turi end of the Valve Spindle. Screw the Heat Exchanger Lever (13 & 14). Point the Venturi Lever upward and (6), hexagon facing outward, onto the Valve Spindle insert it into the Case (24) marked RIGHT until finger tight.
  • Page 13 XTX Second Stage Regulator Maintenance Manual Fitting Hose and Mouthpiece 19. While holding the rim of the case at eye level, turn the seat in clockwise until the lever drops about 4mm 22. Add a new lubricated ‘O’ Ring (AP1409) to the male end below the case rim.

  • Page 14: Final Testing

    XTX Second Stage Regulator Maintenance Manual FINAL TESTING Disconnect the second stage from the hose as shown in step 1 of the disassembly procedure. Using the Slotted Seat Adjuster Tool (PN AT51) ,turn the seat WARNING: Compressed air can be highly (15) anti- clockwise by approximately 1/16 of a turn explosive and is dangerous if misused.

  • Page 15: Converting The Xtx Regulator To Left Handed Configuration

    (6) stationary while turning the Hose Swivel anti- Piece (10). clockwise. Using the Apeks XTX Tool (PN AT20F), unscrew the Case Cover (2). Lift out the Diaphragm Cover (3) and Diaphragm (4). Grasp the Venturi Lever (13 + 14) and pull it out of the Case.
  • Page 16 XTX Second Stage Regulator Maintenance Manual Rotate the Venturi Ring (13) on the Venturi Lever Body (14). Grease the Venturi Lever body as shown. Align the Arrow on the Venturi Ring with the line on the Venturi Lever Body above the LEFT text. Press the Venturi Ring firmly onto the end of the Venturi Lever Body, until it clicks into place.
  • Page 17 XTX Second Stage Regulator Maintenance Manual While depressing the Lever, insert the Valve Spindle through the Venturi Lever and into the Case. Be sure that the two flats and the two Lever feet engage in the Position the Diaphragm (4) into the Case (24). tabs of the Blanking Piece.

  • Page 18: Table 1 - Troubleshooting Guide

    XTX Second Stage Regulator Maintenance Manual Table 1 - Troubleshooting Guide SYMPTOM POSSIBLE CAUSE TREATMENT 1. Excessively high first-stage intermediate 1. Refer to first-stage pressure. Troubleshooting Guide. 2. Rubber Seating (36) damaged or worn. 2. Replace Rubber Seating. 3. Reset Seat preliminary 3.

  • Page 19: Table 2 - Recommended Tool List

    XTX Second 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 Case Cover removal and installation / Setting of Lever AT20F Front Cover Tool Height...
  • Page 20 XTX Second 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 Jackson, OH 45640, USA (800) 477-8704 PerFluoroLube®...

  • Page 21: Cleaning And Lubrication Procedure

    Breathing air used in the production of a mixture should be oxygen compatible and double filtered with a hydrocarbon content not greater than 0.1 mg/m3. Your Apeks technical specialist should be able to help you determine if the breathing air he supplied meets these criteria.

  • Page 22: Table 4 -Torque Specifications

    XTX Second Stage Regulator Maintenance Manual Table 4 - Torque Specifications PART NUMBER DESCRIPTION / KEY NUMBER TORQUE AP5013/S, AP5013, Heat Exchanger (6) 3 Nm / 2.2 lbf/ft AP5013/PVDS. AP5003 Spacer(6) 3 Nm / 2.2 lbf/ft AP0203/1, AP0203/1/S Hose 5 Nm / 3.7 lbf/ft Table 5 - Test Bench Specifications TEST CONDITION...

  • Page 23: Xtx Tungsten, Xtx200, Xtx100 Exploded Parts Drawing

    XTX Second Stage Regulator Maintenance Manual XTX TUNGSTEN, XTX200 & XTX100 Exploded Parts Diagram * All marked items must be replaced when serviced. AP0624 Purge Button Assembly Chrome (XTX200) AP6213 XTX Venturi Body AP0624/S Purge Button Assembly Satin (XTX100) AP2033...

  • Page 24: Xtx50 Exploded Parts Drawing

    XTX Second Stage Regulator Maintenance Manual XTX50 Exploded Parts Diagram All * items marked in bold italics must be replaced when serviced. AP0624/B Purge Button Assembly black (XTX50) AP6213 XTX Venturi Body AP0624/Y Purge Button Assembly yellow (XTX Octopus, XTX50 Nitrox) AP2033 Seat AP6301...

  • Page 25: Xtx40 & Xtx20 Exploded Parts Drawing

    XTX Second Stage Regulator Maintenance Manual XTX40 & XTX20 Exploded Parts Diagram All * items marked in bold italics must be replaced when serviced. AP0624/B Purge Button Black (XTX40/20) AP6213 XTX Venturi Body AP0624/Y Purge Button Assembly Yellow (XTX Octopus, XTX40 Nitrox) AP2033 Seat...
  • Page 26 XTX Second Stage Regulator Maintenance Manual Notes...
  • Page 27 XTX Second Stage Regulator Maintenance Manual TECHNICAL SUPPORT XTX SECOND STAGE REGULATOR MAINTENANCE MANUAL AUTHORISED TECHNICIANS Apeks Marine Equpment Ltd Neptune Way, Blackburn, Lancs, England, BB1 2BT...

This manual is also suitable for:

Xtx100Xtx40Xtx50Xtx20

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