TSAP780 – Jammy, Inc. – Lighting, Electronics and Precision Metal



Spring Assist Parts for most 7 Foot Wide Trailer Ramp Doors. Easy assemble pack with common Ramp Door Spring Assist parts so you can assemble, refit or repair your own mechanism. BAR NOT INCLUDED. Each set conveniently packed in easy to store and ship-able Patent Pending carton. Each TSAP780 Spring Assist Pack includes the following:

1 piece 5.5 x 50 x 700mm (28”) 80 lb Torsion Spring, Clockwise (Right) Wind
1 set (2 pcs) left and right side 12′ Cable Drums
1 set (2 pcs) 150″ x 1/8″ Stainless Steel Winding Cables
1 set Bearing Brackets for roof mounting
1 set Nylon Rollers
1 pack of Assembly Hardware

Designed to lift doors up to approximately 160 lbs total door weight or 80 lbs hinged door weight. Please match to door by weight and not necessarily by door width. You must supply your own BAR.

All packs clearly marked, labeled and barcoded for resale.

Part No.
Spring Weight
Hinged Door Weight
Typical Width
7' / 80 lb Spring Assist Pack
80 lb

160 lb

7 Foot

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