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Strong Enterprises Para-Cushion 304 Seat, Owner'S Manual

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Strong Enterprises Owner’s Manual. Para-Cushion

www.strongparachutes.com    [email protected]

Manual PN 510087

Revision D: Feb 2022

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

Summary of Contents for Para-Cushion 304 Seat

Page 1: ...gparachutes com Manual PN 510087 Revision D Feb 2022 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: ...ding to use our parachutes you are assuming a considerable risk of personal injury or death If you are not willing to assume that risk please return the parachute to the dealer where it was purchased for a full refund DISCLAIMER There are NO WARRANTIES which extend beyond the description of the parachutes in this manual and neither the seller nor any agent of the seller has made any affirmation of...

Page 3: ...pen your Parachute 7 1 14 How to Steer 8 1 15 Landing and Recovery 8 1 16 Reporting of Equipment Improvement Recommendations 8 2 304 Model Description 9 2 1 Parts List 10 3 Required Packing Tools 11 4 Prepare Parachute for Packing 12 5 Pre Packing Inspection 12 6 Packing the 304 Seat Model 13 6 1 Folding the Parachute 13 6 2 Securing the Diaper 15 6 3 Risers Placement 17 6 4 First Line Stow 18 6 5...

Page 4: ...AS 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 If your Para Cushion is exp...

Page 5: ...hute be packed maintained or altered in any manner that deviates from procedures approved by the manufacturer The parachute should be left unopened inside its protective container until ready for use When you take your Para Cushion to your rigger for servicing they will be glad to allow you to pull the ripcord yourself give you a functional demonstration and answer all your questions We urge you N...

Page 6: ...ch leg strap untwist them if necessary and snap them in place on each side of the lower portion of the main lift webs Lean forward pull the leg straps below your hips and tighten them snugly yet comfortably around your thighs Finally snap and adjust the chest strap Fold and stow the webbing ends in the elastic keepers Be sure the ripcord handle is securely stowed yet accessible Fully Adjustable Ha...

Page 7: ... get yourself out any way you can Clear the aircraft and pull your ripcord immediately There is enough oxygen to breath and you ll be descending into denser air 1 13 How to Open the Parachute The ripcord handle is located near the chest strap on the wearer s left front of the harness The key is to LOOK at the ripcord handle rather than fumble or tug on a harness fitting Beneath the fabric cover th...

Page 8: ...u can maneuver the canopy as necessary to avoid as many obstacles as possible In the event of a tree or power line landing keep your feet together so you don t straddle a limb or wire Be prepared to slide through and hit the ground afterwards You should be able to avoid power lines but if not throw away the ripcord it is an electrical conductor If suspended from a power line do not attempt to clim...

Page 9: ...kg The Model 304 is designed to be used in place of a seat cushion By using an additional Confor Foam cushion the seat thickness of the pack may be from 1 2 5 cm to 6 15 cm thick depending on the type of airplane and how high the user desires to be in the cockpit The parachute assembly is designed to be used in airplanes where head room is not restricted or moving forward in the cockpit is not pos...

Page 10: ... com Harness and Container Assembly 2 1 Parts List 26 foot Mid Lite w H C sized for 26 30 foot Lo po w H C sized for 30 Ripcord Assembly 631334 Pilot Chute Lil Grabber 790121 Locking Loop 861044 with Mid Lite 861045 with 30 or C 9 Cap for Pilot Chute 799030 Carrying Bag 816006 Owner s Manual 510087 ...

Page 11: ...s com A D A D H 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 F Pull Up Cords 4 each G Tension Plate 1 each H Tension Hook 1 each I Locking Pin 2 each J Fid 1 each A G H I G J F D E B C ...

Page 12: ...bly for any damage Inspect pilot chute and bridle Check that the Larks head knot on the pilot chute is secure Inspect Apex area Check over entire canopy for damage Inspect lines for damage Check line sequence and control lines Perform a complete suspension line continuity check Check the barrels on 6 rapide link for cracks Check that links are tight Inspect Harness and Container assembly Check tha...

Page 13: ...res to each side Diaper should be between table and canopy 6 1 2 Fold skirt up 90º on each side parallel to the radial seams 6 1 Folding the Parachute 6 1 1 Lay harness container and canopy down on the table with the wearer side facing down Inspect entire assembly for completeness and any damage Flake canopy and pleat in the normal manner with an equal number of gores to each side Diaper should be...

Page 14: ...s com sales strongparachutes com 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: ...sales strongparachutes com 6 2 Securing the Diaper 6 2 1 Spread diaper out flat Bring lines on the 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: ...WARNING Put only the left line group of lines inside the diaper Otherwise the purpose of the diaper will be defeated allowing it to release before all lines are unstowed 6 2 3 Continue to secure the diaper by bringing remaining rubber bands through their respective grommets and locking in place with 1 1 2 inch bights of line from left line group Note If using shorter 1 1 4 inch rubber bands a sing...

Page 17: ...Risers Placement 6 3 1 Route risers down backpad and mate the 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 Pull excess line to the container end keeping lines even from canopy to container ...

Page 18: ...ht line group toward riser not toward canopy Lines toward the canopy should be even Stow first bight of line in third rubber band from wearer s rear left corner of container Note All line stows should be 1 1 2 inch bights 6 5 Excess or Half line stow 6 5 1 Take excess line from right riser pass it under lines from left line group and stow in first two rubber bands on front and rear left side of co...

Page 19: ...ght of excess line may 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 continue stowing lines alternating from front to back skipping a rubber band between each stow Work from right to left of container ...

Page 20: ...f the second layer alternate from wearer s rear to 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 6 7 2 Place a pull up cord in both temporary locking loops Loops are located under line stows near center of container ...

Page 21: ...o 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 6 8 3 Pass the temporary locking loops through the two middle grommets on the left flap and secure with temporary pins Thread the T handles through the outside grommets ...

Page 22: ...ing the bridle to the center of the pack 6 8 5 Pass pull up cords through the two middle grommets on right flap and secure with temporary pins and remove pull up cords Insert T handles through two outer grommets on the right flap Close top and bottom flap by placing grommet over T handle Stand the pilot chute upright on the locking strap While compressing pilot chute neatly and symmetrically tuck ...

Page 23: ...der 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 Thread the ends of the pull up cords through the slots in the T handles 6 9 2 Holding the pilot chute in position with one hand and with the other hand under the pack holding it closed turn the pack over ...

Page 24: ... with ripcord pin 6 9 4 Slowly and carefully remove the pull up cords Always remove pull up cords by pulling away from ripcord pin Flip container over and remove the pilot chute locking rod strap and the two temporary locking pins Use a fid to tuck excess pilot chute fabric under the rim of cap Dress pack and seal pin furthest form the ripcord housing Complete data card and your rigger s logbook B...

Page 25: ...le side patch Anything more replace PILOT CHUTE CAP Replace when Spandura fabric becomes worn LOCKING Replace as needed Mid Lite 861044 Gold Loop should be 10 with a tolerance of 1 4 30 Lo Po 861045 Green Loop should be 12 with a tolerance of 1 4 BRIDLE Damaged bridles should be replaced CONTAINER Standard military single side patches or replacement of the damaged area is authorized HARNESS Any po...

Page 26: ...and tacking Install a new locking loop by hand tacking the Type 4 tape to the pilot chute top do not hand tack the canopy of the pilot chute followed by a good surgeon s knot Position new loop so that Type 4 is between loop material and pilot chute Note Pilot chute loop must be placed as close to dead center as possible Being off even a couple of degrees may cause the pilot chute to sit improperly...

Page 27: ...where 180º is and where your other hole should go 8 4 Once the holes are cut install the new cap over the loop by aligning the loop ends with the holes in the Spandura cap and pulling the loop through the holes with your hand tack needle Hand tack the new cap in place at 90º angle to the loop Note Be careful not to catch the pilot chute canopy cloth below the stitch line at the top of the pilot ch...

Page 28: ...ure 8 the line through the grommet and secure with an overhand knot If the steering line is thin as in the Mid Lite or Lite a second figure 8 may be necessary to fill up the grommet hole 9 3 Mate the Velcro to secure the toggle to the riser 9 4 For original Para Cushions old style that utilize a metal ring instead of cloth toggles route the steering lines through the guide ring on each riser Zig z...

Page 29: ...oop pass through lines 1 2 and or 23 24 Commence chain braid Draw each braid up as tight as possible Form 5 to 6 braids Secure last braid loop to loop handle with rigger s seal thread 4 lbs When packing the Para Cushion Model 304 Seat with the 28 C 9 Canopy pleat and long fold canopy in the normal manner as directed in Section 6 1 page 13 of this manual Omit Section 6 2 Securing the Diaper 6 3 Ris...

Page 30: ...ting at step 6 7 2 on page 20 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: ...31 Strong Enterprises Owner s Manual Para Cushion www strongparachutes com sales strongparachutes com ...

Page 32: ...anded in case of high winds water or tree landing Quick Ejector Snaps PN 099113 3 each or PN 099112 2 each Military Style hardware replaces B 12 snaps Allows you to lift the gate and eject the hardware instead of reaching under and lifting 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 Lumbar Support Pad PN 8121...

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