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4
Assembly of the JJ-CCR
This chapter deals with the basic assembly of the JJ-CCR Rebreather. The equipment is fully assembled at
the time of delivery. This chapter is primarily intended to show how the basic assembly takes place. At
the same time, it acts as a guideline for correctly reassembling the equipment if it proves necessary to
disassemble it for any reason (e.g. transportation for a dive trip).
4.1
Base unit
The base unit of the JJ-CCR consists of a highly
stable aluminium housing. The guide rails shown
in the image hold the selected diving tanks in the
correct position and they are also used to attach
the tank belts.
On the front side it is possible to see two screw retainers and a tube on both the right and left hand
side respectively.
The following image shows how the screw (lock screw M8x30) is inserted in the screw retainer. Both
screw retainer openings are arranged such that an unintentional loosening of a connection will not
result in the base unit falling off. The plastic section of the screw forms a galvanic partition between
the aluminium of the base unit and the rustproof steel of the screw. This prevents corrosion. The wing,
counter lung and back plate are secured on the screws later.
2014 JJ-CCR ApS – CE Edition 2.00 / Revision 04
JJ- CCR ApS 2014
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