FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 7. Aircraft Hardware, Control Cables, and Turnbuckles | 7. Safetying | 7-126. Securing Oil Caps, Drain Cocks, and Valves
AC 43.13-1B
9/8/98
Examples 12 and 13 show methods for attaching lead seal to protect critical adjustments.
Example 14 shows bolt
wired to a right-angle
bracket with the wire
wrapped around the
bracket.
Example 15 shows correct
method for wiring adjustable
connecting rod.
Example 16 shows correct
method for wiring the cou-
pling nut on flexible line to
the straight connector
brazed on rigid tube.
Fittings incorporating wire lugs shall be wired as shown in Exam-
ples 17 and 18. Where no lock-wire lug is provided, wire should
be applied as shown in examples 19 and 20 with caution being
exerted to ensure that wire is wrapped tightly around the fitting.
FIGURE 7-5a. Safety-wiring procedures.
Small size coupling nuts
shall be wired by wrapping
the wire around the nut
and inserting it through
the holes as shown.
Page 7-24
Par 7-126