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| (ready for immediate operation) condition
intervals between the daily and periodic
must have intermediate maintenance per-
i n s p e c t i o n s . T h e interval at which the
formed on it. Equipment in limited storage
i n t e r m e d i a t e inspection will be accom-
(requires service before operation) does
plished is every 25 flying hours. The in-
not require intermediate inspection.
termediate inspection is per formed
concurrently with the intermediate main-
tenance performed on the aircraft in which
the equipment is installed. Adjustments of
Inspection Chart
the maintenance interval must be made to
Note: The complete intermediate inspection con-
compensate for any unusual operating con-
sists of the daily inspection (para 36) and the items
ditions. Equipment maintained in a standby
listed below.
Item
References
No.
Normal condition or result
Item
Applicable aircraft technical
All bolts, nuts, and washers are
MOUNTING: Inspect seating and
1
manual.
present and properly tightened..
stability of mountings. Check
Mountings show no evidence of
for loose or missing hardware.
weakness or deformity.
I
Applicable aircraft technical
Action is positive without back-
KNOBS, DIALS, AND SWITCHES:
2
manual.
lash, binding, or scraping.
Check for proper mechanical
Note: Knobs that require frequent tight-
action by setting each control to
ening should have setscrews replaced.
each of its possible settings.
and procedures specified by TM 38-750.
E q u i p m e n t that has a deficiency that can-
Service and Inspection
n o t be corrected by second echelon should
Periodic maintenance on Transponder
be deadlined in accordance with TM 38-
Set AN/APX-44 will be scheduled in ac-
7 5 0 . Perform all the services listed in the
c o r d a n c e with the requirements of TM
periodic maintenance service and inspec-
38-750. The periodic maintenance inspec-
tion chart in the sequence listed. When-
t i o n should be scheduled concurrently with
ever a Normal condition or result is n o t
t h e periodic maintenance service schedule
observed, take corrective action in ac-
o f the aircraft in which the equipment is
c o r d a n c e with the R e f e r e n c e s c o l u m n .
installed to reduce out-of-service time to
Note: The periodic maintenance and inspection
a minimum. Refer to the applicable air-
procedure is performed by an Aviation Electronic
E q u i p m e n t Repairman, MOS 284.1.
craft technical manual for the hours be-
tween service periods. All deficiencies
or shortcomings will be immediately re-
and Inspection Chart
p o r t e d to a higher echelon using the forms
Procedure
Item
References
No.
Normal condition or result
Item
1
SET: Inspect the equipment for:
a. Applicable aircraft technical
a. Equipment must be complete.
a. Completeness.
manual.
b. Applicable aircraft technical
b. Installation is in accordance
b. Proper installation.
manual and TM 11-530.
with applicable aircraft
technical manual. Equipment
properly safety wired.
c. Equipment must be clean and
c. Cleanliness.
dry; free of grease, dirt,
rust, corrosion, and fungus.
d. Preservation.
d. Painted surfaces must be free
of rust, bare spots, and cor-
rosion.
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