Aqua Lung SEA-4500 User Manual
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Aqua Lung SEA-4500 User Manual

Survival egress air
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Survival Egress Air
(SEA-4500)
User's Manual
Rev 09/14

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Summary of Contents for Aqua Lung SEA-4500

  • Page 1 Survival Egress Air (SEA-4500) User's Manual Rev 09/14...
  • Page 2 Aqua Lung America, Inc. ©2014 Aqua Lung International SEA-4500 User’s Manual PN 103641 You can contact a Technical Advisor via e-mail at: sreilly@aqualung.com grubin@aqualung.com jbutner@aqualung.com...

  • Page 3: Table Of Contents

    Preparation and Setup .................. 7 General Filling Procedures ..............7 Filling Methods for SEA-4500 ..............9 Filling SEA-4500 with a HP Fill Adapter ..........9 Adjusting Mouthpiece Position .............. 12 Changing the SEA-4500 Mouthpiece ........... 13 Pre-Issue Checklist ..................14 Pre-Flight Inspection ..................

  • Page 4: General Precautions And Warnings

    BAR at 70ºF/ 21ºC. Doing so may seriously weaken the cylinder and cause it to rupture, resulting in serious injury or death. DO NOT fill or use the SEA-4500 if it has been exposed to extreme heat exceeding 250º F / 121º C or open flame. Instead, discharge the cylinder completely and return it to a qualified technician for inspection and possible hydrostatic testing.
  • Page 5 SEA-4500 as soon as possible to a qualified technician for visual inspection and any necessary service before attempting to refill it. It is important to fill the SEA-4500 only with dry, filtered air with a water vapor content that does not exceed -65°F / -53ºC dew point.

  • Page 6: Product Description

    SEA-4500 Components (Fig. 1) • SEA-4500 balanced diaphragm first stage with integral fill port, dial pressure gauge, safety plug assembly, 360 degree swivel and On / Off knob. Black aluminum components are utilized on first stage for a low reflective signature.

  • Page 7: Preparation And Setup

    The purpose of this manual is to familiarize you with the correct setup, filling, inspection and maintenance of the SEA-4500. The SEA-4500 is packaged fully assembled and ready to use after it has been filled with air. Before using it, however, it is very important to carefully read and understand the procedures outlined in this manual for filling the unit and performing a preflight inspection.
  • Page 8 If moisture is found to be present inside the fill port opening, this indicates that water may have entered the SEA-4500 first stage and cylinder. DO NOT fill or attempt to use the SEA-4500 until it has received complete inspection and any required service by a...

  • Page 9: Filling Methods For Sea-4500

    SEA-4500 which could result in serious injury or death. Filling SEA-4500 with a HP Fill Adapter NOTE: The SEA-4500 system does not include a HP fill adapter. This adapter (PN 102865) may be purchased separately (Fig. 5). O-Ring...
  • Page 10 BAR. Doing so may weaken and damage the safety plug assembly and cylinder. NOTE: The SEA-4500 will fill with the valve handwheel in the completely closed position (red indicator ring visible). In this position the pressure gauge will not register psi. This is not recommended.
  • Page 11 5. Ensure that the SEA-4500 is supported and turn the compressor valve very slowly counter-clockwise until it is slightly open to fill the cylinder with approximately 500 PSI / 34.5 BAR. Turn the compressor valve shut and wait 45-60 seconds before proceeding to fill the cylinder any further.

  • Page 12: Adjusting Mouthpiece Position

    SEA-4500 User's Manual Adjusting Mouthpiece Position The second stage incorporates a position keying feature that enables the user to adjust orientation of the second stage body in relation to the mouthpiece. This unique feature keeps the hose closer to the body and allows for more flexibility in various cylinder-mounting configurations.

  • Page 13: Changing The Sea-4500 Mouthpiece

    Changing the SEA-4500 Mouthpiece 1. Mount SEA-4500 cylinder in user preferred position. 2. Remove the black clamp with side cutters and discard (Fig. 9). Figure 9 3. Rotate the mouthpiece to preferred position (Fig. 10). Figure 10 4. Install a new black clamp with the...

  • Page 14: Pre-Issue Checklist

    PRE-ISSUE CHECKLIST Before each use, the unit must be given a thorough visual inspection and functional test by a qualified technician. NEVER use a SEA-4500 which shows signs of damage, leakage or substandard performance until it has received inspection and service from a qualified technician.
  • Page 15 (cubic inch) and aluminum cylinders by expanded volume (cubic feet). Values in liters are metric expanded capacity. 6. Immerse the SEA-4500 in water to check for any signs of free flow from the second stage, leakage from the hose, pressure gauge, safety plug assembly, first stage or cylinder neck.

  • Page 16: Pre-Flight Inspection

    SEA-4500 User's Manual PRE-FLIGHT INSPECTION The pre-flight inspection shall be performed on the SEA-4500 prior to each flight by the air crew member to whom the unit is assigned. Pre-flight procedures are as follows: WARNING: Strict compliance with pre-flight and post-flight inspections shall be adhered to by all air crew members utilizing the SEA- 4500.

  • Page 17: Care And Maintenance

    5. Check to ensure that the SEA-4500 valve is turned to the “OFF” position and depress the purge button of the second stage to ensure that the system is...
  • Page 18 SEA-4500 User's Manual 6. Due to the possibility of fire and exposure to extreme heat, the SEA-4500 must be stored either completely full or completely empty. If the system is exposed to fire while partially filled, the cylinder wall may rupture before the internal pressure becomes great enough to burst the safety plug assembly.

  • Page 19: Inspection And Service

    INSPECTION AND SERVICE 1. It cannot be assumed that the SEA-4500 is in good working order on the basis that it has received little use since it was last serviced. Remember that prolonged or improper storage can still result in internal corrosion and/or deterioration of o-ring seals and valve springs.

  • Page 20: Technical Specifications

    Safety Plug Assembly Over Pressure Relief HP Module Mounted, 7250 PSI / 500 BAR SEA-4500 w/ 13 cu. in. Composite / Carbon Fiber Cylinder Empty 1.57 lb. / 0.71 kg System Weight SEA-4500 w/ 17.5 cu. in. Composite / Carbon Fiber Cylinder Empty 1.69 lb.

  • Page 21: Sea-4500 Parts

    SEA-4500 PARTS 820312 o-ring PN 102865 HP Fill Adapter 4500 PSI / 310 BAR On / Off First Stage Knob Mouthpiece Cover Dial Pressure Indexable Gauge Mouthpiece Fill Port 360º Swivel Safety Plug Assy Second Stage Braided Hose Composite / Carbon Fiber...

  • Page 22: Notes

    SEA-4500 User's Manual NOTES...
  • Page 23 NOTES...
  • Page 24 Survival Egress Air 4500 (SEA-4500) User’s Manual 2340 Cousteau Court • Vista, CA 92081 Phone (760) 597-5000 • Fax (760) 597-4900 www.aqualung.com/militaryandprofessional ©2014 Aqua Lung International...

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