MD Helicopters 369-500, Maintenance Instructions Manual

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CSP-HMI-3
MD Helicopters, Inc
.
MAINTENANCE MANUAL
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96-00-00
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Neither this document nor any part hereof may be reproduced or transferred to
other documents or used or disclosed to others for manufacturing or any other
purpose except as specifically authorized in writing by MD Helicopters, Inc.
Copyright
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1999 − 2016 by MD Helicopters, Inc.
C. Coaxial Cable Damage Limitations
(1). Visually inspect coaxial cable for
squeezing, stretching, and impact or
compressive forces (dents or crushing)
which damage or destroy the natural
condition, shape, or integrity of cable.
(a). Damage which reduces cable diame­
ter by more than 10% is not accept­
able.
(2). Visually inspect cable for kinks result­
ing from exceeding minimum bend
radius. None allowed.
(3). Visually inspect for nicked, cut, split, or
torn cable jacket.
(a). Damage which penetrates into jacket
and exposes shield strands, wire
insulation, dielectric, or conductor is
not acceptable.
(4). If damage does not exceed limitation,
perform Open Circuit Test procedure to
verify non-visible damage does not
exist.
(a). Perform Wire Insulation Repair
procedure (Ref. Wire Repair).
D. Soldered Contact Inspection
(Ref. Figure 604)
(1). Visually inspect wire insulation for the
following unacceptable conditions:
(a). Too much solder on strands which
results in wicking of wire insulation.
(b). Charred, burned, blackened wire
insulation.
(2). Visually inspect for solder on contact
and in inspection hole.
(a). Solder shall be visible in inspection
hole, and shall be level or slightly
above hole.
(b). Solder on the outside of contact shall
be in the form of a thin film.
(3). Lightly pull wire to verify contact is
secured.
(4). Correct unacceptable conditions as
required (Ref. Wire Terminations).
G96-0035
UNACCEPTABLE
UNACCEPTABLE
ACCEPTABLE
* WIRE IS CENTERED IN THE CONTACT BARREL.
* SOLDER VISIBLE IN THE INSPECTION HOLE.
(MAY BE LEVEL OR SLIGHTLY ABOVE)
* ANY SOLDER ON THE OUTSIDE OF THE CONTACT
IS IN THE FORM OF A THIN FILM.
* SOLDER WETS THE WIRE OR LEAD TO FORM A
VISIBLE FILLET TO THE CUP.
* SOLDER DOES NOT WET THE WIRE OR LEAD
TO FORM A VISIBLE FILLET TO THE CUP.
* SOLDER NOT VISIBLE IN THE INSPECTION HOLE.
* EXCESSIVE SOLDER ON OUTSIDE OF CONTACT
OR AT INSPECTION HOLE.
Figure 604. Solder Style Contact Acceptance Criteria