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Page Title:
Chapter 4. MAINTENANCE INSTRUCTIONS |
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|  TM 11-5826-257-24
CHAPTER 4
MAINTENANCE INSTRUCTIONS
INTRODUCTION
Section I.
4-1. Tools and Equipment Required
lusterless enamel No. 37078. Nonpainted internal
surfaces and functional parts are chemically pas-
Tools and equipment required for maintenance of
sivated.
the R1963/ARN are specified in appendix C.
4-2. Repainting and Refinishing
by lightly sanding them with fine sandpaper.
a. Original Protective Finish. The outside sur-
Brush two thin coats of paint on the bare metal
faces of the receiver are treated in accordance
to protect it from further corrosion. Refer to TB
with MILF14072A and a final film of black
43-0118 for further information.
PREVENTIVE MAINTENANCE CHECKS AND SERVICES
Section II.
4 - 3 . General
Sequence
ITEM TO BE INSPECTED
number
PROCEDURE
Worktime
The preventive maintenance checks and services
are defined herein for specific intervals. These
C l e a n the receiver in accordance
with paragraph 4-8.
checks and services will maintain Army electronic
Check all exposed metal surfaces for
equipment in serviceable condition; that is, in
rust and corrosion. Retouch in ac-
good general (physical) condition and in good
cordance with paragraph 42.
operating condition. To assist the organizational
0.08
2
EXTERIOR ITEMS
C h e c k safety wiring on the mount
electronic equipment technician or crew chief in
f a s t e n e r s . Refer to TM 55-1500-
maintaining combat serviceability, the table indi-
323-25.
cates what to check and the normal conditions.
Tighten any loose mounting screws.
The references list the paragraphs or manuals
POWER ON
that contain supplementary information. If the
0.25
3
GLIDESLOPE OPERATIONAL
defect cannot be remedied by the organizational
CHECK
electronic equipment technician or crew chief,
C h e c k the receiver glideslope for
higher category of maintenance is required. Rec-
proper operation (para 411 and 4
12).
ords and reports of these checks and services
4
MARKER BEACON OPERA-
0.25
must be made in accordance with the require-
TIONAL CHECK
ments set forth in TM 38-750.
C h e c k the receiver marker beacon
f o r proper operation (para 4-11
4-4. Flight Line Preventive Maintenance
and 4-13).
Perform the preventive maintenance functions
4-5. Bench Test Preventive Maintenance
indicated in table 41 every 25 hours of flying
a. During the aircraft periodic preventive main-
time (concurrently with the aircraft intermediate
tenance checks and services, the electronic equip
maintenance checks and services).
ment will be removed from the aircraft for bench
Table 4-1. Flight line preventive maintenance checks and
tests and inspections given in table 42. Replace-
services
ment electronic equipment will be reinstalled from
Total task hours required: 1.24
float stock. These tests and inspections are per-
formed by direct support personnel.
ITEM TO BE INSPECTED
Sequence
PROCEDURE
Worktime
number
POWER OFF
1
EXTERIOR SURFACES
0.08
installed in the aircraft.
4-1
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