US Army, Technical Manual, TM 9-1290-262-24&P, AIMING CIRCLE, M2A2, W/E, (1290-01-067-0687), (EIC:3SC), 1999

US Army, Technical Manual, TM 9-1290-262-24&P, AIMING CIRCLE, M2A2, W/E, (1290-01-067-0687), (EIC:3SC), 1999

SCOPE.
Type of Manual: Unit, Direct Support, and General Support Maintenance
Model Number and Equipment Name: M2A2 Aiming Circle, W/E.
AIMING CIRCLE M2A2 W/E

Purpose of Equipment: Provides precise measurement of azimuth and elevation angles of a
ground or aerial target with respect to a preselected baseline as required for orientation of artillery
weapons.



TABLE OF CONTENTS
Illus/
Page Figure
HOW TO USE THIS MANUAL
CHAPTER 1 INTRODUCTION
Section I General Information
II Equipment Description and Data
III Principles of Operation
IV Repair Parts; Tools; Special Tools, Test, Measurement, and
Diagnostic Equipment (TMDE); and Support Equipment
Page Figure
UNIT MAINTENANCE PROCEDURES
General Maintenance Instructions
SERVICE UPON RECEIPT
Preventive Maintenance Checks and Services (PMCS)
UNIT TROUBLESHOOTING
Unit Maintenance Procedures
Preparation for Storage and Shipment
DIRECT SUPPORT MAINTENANCE PROCEDURES
Direct Support Troubleshooting
Direct Support Maintenance
Direct Support Test and Adjustment Procedures
GENERAL SUPPORT MAINTENANCE PROCEDURES
General Support Troubleshooting
General Support Maintenance Procedures
General Support Test and Adjustment Procedures
REFERENCES A-1
MAINTENANCE ALLOCATION CHART (MAC)
Introduction
Maintenance Allocation Chart for M2A2 Aiming Circle
Tool and Test Equipment Requirements for the
M2A2 Aiming Circle
Remarks
REPAIR PARTS AND SPECIAL TOOLS LIST
Introduction
Repair Parts List
Section Ill
Section IV
Aiming Circle, M2A2,
Aiming Circle, M2A2,
Aiming Circle, M2A2,
Aiming Circle, M2A2,
Aiming Circle, M2A2,
Aiming Circle, M2A2,
Aiming Circle, M2A2,
ARMY TM 9-1290-262-24&P
MARINE CORPS TM 00476C-24&P
AIR FORCE TO 49A7-3-7Z74
Illus/
Page Figure
W/E 11785090
11834483
(Elbow Telescope Parts) 11834483
(Azimuth Parts)183483
(Orientation Parts) 11834483
(Leveling Parts) 11834483
(ldentification and Instruction Plates)
11834483
Aiming Circle, M2A2, (Compass Parts) 11834483
0103 Access Cover 7596883
0104 Holder 7595146
Aiming Circle, M2A2, (Locking, Azimuth Gear, and Housing
Parts) 11834483
0105 Body Assembly 8211717
0101 Elbow Telescope 8211640
010101 Eyepiece Assembly, 0ptical, 8211641
010102 Reticle Assembly 9362776
010103 Assembly, Optical Cell, 8211643
010104 Telescope Subassembly 8211647
0102 Plate Base Aiming Circle 8226976
Tripod, Aiming Circle 8242777
0201 Cover Assembly 8216550
Cover, Access 8211749
0301 Strap Assembly, Cover 8211748
Light, instrument, M51 8293478
Special Tools List (not applicable)
Cross-Reference Indexes
National Stock Number Index
Part Number Index
Figure and ltem Number index
APPENDIX D
APPENDIX E
EXPENDABLE AND DURABLE ITEMS LIST
Introduction
Expendable and Durable items List
ILLUSTRATED LIST OF MANUFACTURED ITEMS
ALPHABETICAL INDEX