Strong Enterprises Para-Cushion 304 Seat Owner's Manual
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Strong Enterprises Para-Cushion 304 Seat Owner's Manual

With 26ft. mid-lite canopy (with h/c sized for 26') or 30ft. lo-po canopy (with h/c sized for 30')
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Strong Enterprises Owner's Manual. Para-Cushion
US Patent 3,908,937
Owner's Manual
For packing and maintenance of
Para-Cushion
Model 304 Seat
With
26ft. Mid-Lite Canopy (with H/C sized for 26')
30ft. Lo-Po Canopy (with H/C sized for 30')
with Appendix A: Packing the 304 Seat with C-9 Canopy
Manual PN 510087
Revision D: Feb 2022
www.strongparachutes.com sales@strongparachutes.com

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  • Page 1 Strong Enterprises Owner’s Manual. Para-Cushion US Patent 3,908,937 Owner’s Manual For packing and maintenance of Para-Cushion Model 304 Seat With 26ft. Mid-Lite Canopy (with H/C sized for 26’) 30ft. Lo-Po Canopy (with H/C sized for 30’) with Appendix A: Packing the 304 Seat with C-9 Canopy...
  • Page 2 Strong Enterprises Owner’s Manual. Para-Cushion ! WARNING ! Parachuting hazardous activity that result serious injury death. Failure to follow all warnings, instructions and required procedures may result in serious injury or death. Parachutes sometimes malfunction, even when they are properly designed, built, assembled, packed, maintained and used.

  • Page 3: Table Of Contents

    Strong Enterprises Owner’s Manual. Para-Cushion Table of Contents Warning/Disclaimer Table of Contents 1. Introduction 1.1 Scope ........................................4 1.2 FAA Approval ....................................... 4 1.3 Operational Limitations ................................... 4 1.4 Repack Interval ....................................4 1.5 Model Description ....................................4 1.6 System Function ....................................5 1.7 Care of your 304 Seat Emergency Parachute System ......................

  • Page 4: Introduction

    150 knots IAS. 1.4 Parachute Repack Interval Your Para-Cushion 304 Seat is is designed for a 365-day repack cycle. Your countries laws may dictate a stricter schedule, check your local regulations. The Para-Cushion 304 Seat must be packed by an FAA certificated parachute rigger, or foreign equivalent, with an appropriate rating or returned to Strong Enterprises for inspection and repack.

  • Page 5: System Function

    Strong Enterprises Owner’s Manual. Para-Cushion air flow than conventional parachute fabric and therefore provides a slower, more stable rate of descent. 1.6 System Function The Para-Cushion is activated by pulling the ripcord handle. This withdraws the ripcord pins and releases the locking loops allowing the pilot chute to eject, catch air and extract the parachute canopy from the container.

  • Page 6: Preflight Inspection

    1.10 Fitting the Parachute Harness Strong Enterprises produces 3 basic harness designs: the standard fixed harness, the fully adjustable harness, and the aerobatic harness. Below, please find proper fitting for each of these models.

  • Page 7: Plan Ahead

    Strong Enterprises Owner’s Manual. Para-Cushion 1.11 Plan Ahead Be prepared in the event of an emergency situation. Know and rehearse your emergency procedures before they are needed. With the parachute on, sit in your cockpit and fasten your lap and shoulder belts. Be certain these are over your parachute harness. Wear gloves, helmet and goggles, even headphones if you normally use them.

  • Page 8: Landing And Recovery

    Strong Enterprises Owner’s Manual. Para-Cushion wind and has a forward speed of about 6 MPH, which can be directed with or against the wind using the built-in steering vents in the rear. The canopy may be turned by pulling down on the webbing toggles, located on the rear of the risers, just above your head.

  • Page 9: Model Description

    Strong Enterprises Owner’s Manual. Para-Cushion 2. 304 Model Description The Model 304 Seat, measures 12” (30.5 cm) tall by 16” (40.5 cm) wide by 1/2” (1.3 cm) thick throughout the back, and 3” (7.5 cm) thick in the seat cushion, and weighs approximately 18.5 lb. (8.4 kg).

  • Page 10: Parts List

    Strong Enterprises Owner’s Manual. Para-Cushion 2.1 Parts List Harness and Container Assembly 26-foot Mid-Lite (w/ H/C sized for 26”) 30-foot Lo-po (w/ H/C sized for 30’) Cap for Pilot Chute 799030 Locking Loop 861044 with Mid-Lite) Ripcord Assembly 861045 with 30’ or C-9...

  • Page 11: Required Packing Tools

    Strong Enterprises Owner’s Manual. Para-Cushion 3. Required Packing Tools A - Shot Bags at least 4 B - Line Separator 1 each C - Pilot Chute Locking Rod 1 each D - Pilot Chute Locking Strap 1 each E - T-handles 2 each...

  • Page 12: Prepare Parachute For Packing

    Strong Enterprises Owner’s Manual. Para-Cushion 4. Prepare Parachute for Packing Gather the appropriate tools. Always count your tools to ensure you don’t leave any in the packed parachute. Lay the harness, container and canopy down on the table with the harness facing down.

  • Page 13: Packing The 304 Seat Model

    Strong Enterprises Owner’s Manual. Para-Cushion 6. Packing the Model 304 Seat 6.1 Folding the Parachute 6.1.1 6.1.1 Lay harness, container and canopy Lay harness, container and canopy down on the table with the wearer down on the table with the wearer side facing down.
  • Page 14 Strong Enterprises Owner’s Manual. Para-Cushion 6.1.3 Fold the canopy into thirds by bringing the sides up to the middle. First right side and then left. 6.1.4 Long fold the canopy into fifths, long and tight, bringing the right side just past center then folding the left side over center.

  • Page 15: Securing The Diaper

    Strong Enterprises Owner’s Manual. Para-Cushion 6.2 Securing the Diaper 6.2.1 Spread diaper out flat. Bring lines LEFT-HAND GROUP ONLY loosely up over skirt. ! WARNING ! DO NOT tuck the lines inside the folded canopy. Tucking the lines in the canopy can cause serious burns to the canopy and lines.
  • Page 16 Strong Enterprises Owner’s Manual. Para-Cushion 6.2.2 Wrap the diaper around the skirt and left line group. Bring rubber band through upper grommet and lock in place with 1 1/2 inch bight of line from left line group. ! WARNING ! Put only the left line group of lines inside the diaper.

  • Page 17: Risers Placement

    Strong Enterprises Owner’s Manual. Para-Cushion 6.3 Risers Placement 6.3.1 Route risers down backpad and mate Velcro®. This will result in the connector links being approximately four inches inside the container. 6.3.2 Right line group will be 14-16” longer than left line group.

  • Page 18: First Line Stow

    Strong Enterprises Owner’s Manual. Para-Cushion 6.4 First line Stow 6.4.1 Grasp both line groups together about 16” from the left link. Leave slack in right line group, toward riser, toward canopy. Lines toward the canopy should be even. Stow first bight of line in third rubber band from wearer’s rear left...

  • Page 19: First Layer Of Lines

    Strong Enterprises Owner’s Manual. Para-Cushion 6.5.2 Rear bight excess line be doubled back on itself before being placed in the rubber band to accommodate for the extra length. 6.6 First Layer of Lines 6.6.1 Now that line groups are even,...

  • Page 20: Second Layer Of Lines

    Strong Enterprises Owner’s Manual. Para-Cushion 6.7 Second Layer of Lines 6.7.1 Make the stows of the second layer alternate from wearer’s rear front, using the rubber bands that were previously skipped. To make the second layer of lines, continue stowing lines alternating from front to rear this time working from right to left.

  • Page 21: Skirt Placement

    Strong Enterprises Owner’s Manual. Para-Cushion 6.8 Skirt Placement 6.8.1 Slide skirt into rear left corner of container. 6.8.2 Make a S-fold on the side of the container (*For 30’ Lo-Po and a half fold). Route the canopy across the front of the pack, below the line stows.
  • Page 22 Strong Enterprises Owner’s Manual. Para-Cushion 6.8.4 Accordion fold right side. Do not stack the folds on top of each other on the right side as is done on the left side. Turn the folds 90 degrees and stack them on their side towards the center of the container filling in the corners as you go.

  • Page 23: Closing The Container

    Strong Enterprises Owner’s Manual. Para-Cushion 6.9 Closing the Container 6.9.1 S-fold pilot chute bridle and tuck it under the right flap to keep it in place. Place the collapsed pilot chute between the two T-handles and pass the two pull-up cords through the closing loops in the pilot chute cap.
  • Page 24 Strong Enterprises Owner’s Manual. Para-Cushion 6.9.3 Bring pull-up cords through container carefully removing the T-handles from pack. Work from the rear of pack by pulling closing loop through container and grommet and locking with ripcord pin. 6.9.4 Slowly and carefully remove the pull-up cords.

  • Page 25: Repair Guidelines

    Strong Enterprises Owner’s Manual. Para-Cushion 7. Repair Guidelines The following repair specification is set forth to aid riggers in the maintenance of Strong Enterprises’ parachutes. Repairs must be made only by appropriately rated FAA certificated parachute riggers. CANOPY TYPE OF REPAIR...

  • Page 26: Changing The Pilot Chute Loop And Cap

    Strong Enterprises Owner’s Manual. Para-Cushion 8. Changing the Pilot Chute Loop and Cap Para-Cushion Model Seat has a pilot chute cap with a Spandura® Rim. This Spandura® Rim is hand-tacked to the top of the pilot chute at 90º angles to the loop openings.
  • Page 27 Strong Enterprises Owner’s Manual. Para-Cushion Rigger Tip: Once you have cut the first hole in the Spandura® for your loop to come through, fold the cap perfectly in half at that hole, making a crease. Unfold the cap, and you can see just where 180º is...

  • Page 28: Installing The Toggles

    Strong Enterprises Owner’s Manual. Para-Cushion 9. Installing the Toggles Thread the steering line through guide ring then through the grommet in the toggle, starting from the underside of the toggle (the side with Velcro®). Lay the toggle on the riser where it will be when set, and measure where the steering line should be tied.
  • Page 29 Strong Enterprises Owner’s Manual. Para-Cushion Appendix A Para-Cushion Model 304 Seat with Military 28 ft C-9 Canopy SE PN 401010 with 4-Line Release In case of deployment or accidental release of steering lines, it is necessary to stow steering lines prior to repacking the C-9 Canopy.
  • Page 30 Strong Enterprises Owner’s Manual. Para-Cushion Stow risers under their cover flaps and mate Velcro®. Begin stowing lines across the pack tray using every other rubber band, allowing two T-Handles to protrude up through center of the stows. Once you reach the other side, continue back across top of previous stows, using rubber bands skipped on the first pass.
  • Page 31 Strong Enterprises Owner’s Manual. Para-Cushion www.strongparachutes.com sales@strongparachutes.com...
  • Page 32 Strong Enterprises Owner’s Manual. Para-Cushion AVAILABLE OPTIONS TO CUSTOMIZE YOUR Para-Cushion Model 304 Seat Custom Monogram PN:099105 We can monogram your name, N number, Company Name, Nose Art or anything you can imagine. Space provided 6” X 2.5” G-Pad Cushion PN: 812113 An auxiliary pad that attaches to the back pad of any Para-Cushion.

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