TEST/INSP CERT.
TESTED BY
NEXT T/I DUE
TESTED IAW
SWL
28638
4SE00726-1
ASf13009
Figure 13-9.--Required test/inspection certification tag.
KINK
KINKED CABLE
PULLED
THROUGH
REPAIR OF AIRCRAFT LIFTING SLINGS
(BIRDCAGE)
ASf13008
In a rare situation, an inspection might reveal a
damaged or defective sling component. If the com-
Figure 13-8.--Cable damage resulting from a pulled-through
cable.
ponent in question is a replaceable item or piece of
hardware, and a pretested component can be ordered,
Chain components must be inspected for
normally the reassembled sling does not require
proof-testing prior to reuse on aircraft. However,
stretched links, wear, gouges, open welds, fractured
if the sling requires a complete disassembly
kinks, knots, and corrosion. The chain attachment
and non-pretested components are installed, the
fittings and adjusters must also be inspected for
sling must be sent to a rework facility for
security and damage.
proof-testing/recertification. Chapter 3 of NAVAIR
The fittings and structural members should be
17-1-114 discusses the procedures for
checked by inspecting all of the terminals, shackles,
proof-testing/certifying aircraft slings, as well as in-
lugs, and structural members for misalignment, wear,
spection requirements and storage and shipping
corrosion and pitting, and deformation. Ensure the
procedures.
latest test/inspection certification tag (fig. 13-9) is
Q13-13. What is the maximum number of broken wires
securely attached and legible.
allowed on a wire rope lifting sling?
The inspection must be documented in
1.
One per inch
accordance with the NAMP and logged in the sling's SE
2.
Two per inch
Custody and Maintenance History Record (OPNAV
3.
Three per inch
4790/51).
4.
Four per inch
Qualification Inspection
Q13-14. Where is the proof-testing/recertification of
lifting slings accomplished?
All aircraft lifting slings must be disassembled,
1.
At the local PWC
inspected both visually and by nondestructive
2.
At a rework facility
inspection, and requalified by an AIMD annually or
3.
At the AIMD onboard the ship
upon the sling's failure to pass the preinstallation
4.
At a certified civilian agency
inspection. The only exception is for fabric slings; they
require requalification semiannually, or upon failure to
pass the preinstallation inspection.
FORKLIFTS
Documentation of the qualification inspection is
LEARNING OBJECTIVES: Recognize the
the same as for the preinstallation inspection, except the
purpose for forklifts. Identify the components
MAF must be kept until the completion of the next
of forklifts. Identify procedures for trouble-
qualification inspection.
shooting and maintenance of forklifts.
13-15
