ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
Section
I.
Il.
Ill.
CHAPTER 4
GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
CHAPTER INDEX
Page
General Support Troubleshooting .
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4-1
General Support Maintenance Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
General Support Test and Adjustment Procedures . . . . . . . . . . . . . . . . . . . . . . . .
..4-16
Section 1. GENERAL SUPPORT TROUBLESHOOTING
Section Index
Paragraph
Page
4-1.
Troubleshooting Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
4-1. TROUBLESHOOTING INFORMATION.
a. The symptom index can be used as a quick guide to troubleshooting. Common malfunctions
are listed in alphabetical order, under each major assembly which appears in MAC order, with page
number references to the troubleshooting table where a test or inspection and corrective action are
provided.
b. The table lists the common malfunctions which you may find during the operation or mainte-
nance of the M2A2 Aiming Circle or its components. You should perform the tests/lnspections and
corrective actions in the order listed.
c. This manual cannot list all malfunctions that may occur, nor all tests or inspections and
corrective actions. If a malfunction is not listed or is not corrected by listed corrective actions, notify
your supervisor.
d. The following symptom index can be used for a quick reference to symptoms covered in the
troubleshooting chart.
4-1