ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-72/74
DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
CHAPTER INDEX
Page
Section
Direct Support Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
I.
Direct Support Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12
Il.
Direct Support Test and Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Ill.
Section I. DIRECT SUPPORT TROUBLESHOOTING
Section Index
Page
Paragraph
Troubleshooting Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
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/inspections 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
general support maintenance.
d. The following symptom index can be used for a quick reference to symptoms covered in the
troubleshooting chart.
