3-11. INSPECTION
OF INDUCTION AIR INLET
DUCT AND ALTERNATE HEAT
DUCT.
This inspection should be accomplished at the next 25 hours of operation and at each
subsequent 100 hours
of operation
thereafter. This inspection
is a visual
inspection of the
external surface of the subject ducts
and does not require duct removal
and replacement to
accomplish the inspection. Inspect
the ducts for evidence of deterioration
as follows:
a. Inspect the external surface
of the ducts for loose or
broken strings.
b. Inspect the ducts
for loose or displaced
supporting wire.
c. Inspect the ducts
for signs of wear
or perforation.
Should any of the above conditions exist, remove and replace the affected duct or ducts
prior to the next flight. Refer to PA-32 Cherokee Parts Catalog for replacement part
numbers.
CHECK
FOR
POSSIBLE CRACKS
ON BOTH SIDES
OF TORQUE LINKS
Figure 3-4. Inspection of Main Landing Gear Torque Links
3-12. INSPECTION OF MAIN LANDING
GEAR TORQUE LINKS. (PA-32-260
& 300)
This inspection should be accomplished within the next 100 hours and at intervals not
to
exceed 500 hours of operation
from previous inspection.
The main landing gear torque links should be inspected for possible cracks which may
appear
on the areas referenced in Figure 3-4.
These cracks may form just behind
the large
boss which attaches
to the strut or to the wheel, and in
the center of the link progressing
toward the edge. The following steps should be used to make this inspection:
a. Remove paint
from the area to be inspected, using
acetone, MEK, or any suitable
commercial paint remover
which does not contain
wax.
b. Allow the cleaned
part to dry thoroughly.
c. If cracks
do not readily appear, inspect
by one of the following methods:
1.
10X magnifying
glass.
2. Dye check or other penetrant inspection.
d.
Should cracks be
detected, replace
defective torque
links prior to further
flight.
e.
If no cracks appear,
make proper
log book entry
and return aircraft
to service.
Revised: 7/29/77
INSPECTION
PIPER CHEROKEE SIX SERVICE MANUAL
1D17
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