Note: Replacement of the 3-ring housings may be necessary due to wear, damage, or stretching
of the housings. Correct installation and tacking of the housings are important to ensure proper
operation of the 3-ring release system.
1.0 DISASSEMBLY:
1.1 Inspect the original installation to determine the exact routing of the housings. Some systems
have dedicated channels and/or loops through which they are routed. In others, the housings
are routed under or over back straps or reserve ripcord housings. If necessary, draw a diagram
of the routing or take a picture so that the replacement housings are routed correctly.
1.2 Remove any tackings or clamps that hold the housings together and/or to the container.
Remove the housings from the system.
2.0 REASSEMBLY:
2.1 Install the replacement housings into their respective locations
as per the original installation. Usually the longer
housing is installed first and then the shorter one.
2.2 Make sure that the flat side of the housing terminal end is
orientated outward so that it lays flat against the rear of the
main riser when the 3-ring release is assembled correctly
[Figure A].
2.3 Align the handle end of the housings and secure as per
the original installation. This may be with either a double
clamp [Figure B] or hand tacking. Figure C shows a typical
method of using supertack to secure the housings
together.
2.4 If hand tacking is used, it is desirable to cover the tacking
with heat shrink tubing. Place a length of tubing over the
housing ends and shrink using the heat gun [Figure D].
2.5 Secure the double housing to the container/back pad or
pocket assembly. Depending on the manufacturer, it may be necessary to provide a certain
amount of “float” to the housings in order that the loop of the riser is not loaded or under tension
when the main canopy is deployed. If available, consult the owner’s manual for correct
positioning and tacking.
Some systems use a double clamp to secure the housings together as well as to the container
or pockets. If these are used, inspect the clamp to make sure that it was not damaged when
removing the housings and can be reused. Crimp the housings, making sure that the clamp is
tight so the housings cannot work loose [Figure E].
2.6 Route the release cables through the housings to make sure there are no obstructions.
3.0 INSPECTION:
3.1 Check for correct routing of the housings.
3.2 Verify correct orientation of the terminal ends.
3.3 Housings should be secured together at the handle ends.
3.4 Housings should be secured to the container/back pad or pockets with either clamps or supertack.
3.5 There should be sufficient slack or “float” in the housings.
3.6 Housings should be clear.
