US Army, Technical Manual, TM 9-1290-232-34&P, QUADRANT, FIRE CONTROL: ELEVATION, M13A1 (1290-00-703-6262), M13A1C (1290-00-078-5568), M13A3 (1290-00-856-9451), M13B1 (1290-00-870-6276), 1982

US Army, Technical Manual, TM 9-1290-232-34&P, QUADRANT, FIRE CONTROL: ELEVATION, M13A1 (1290-00-703-6262), M13A1C (1290-00-078-5568), M13A3 (1290-00-856-9451), M13B1 (1290-00-870-6276), 1982

1-1. SCOPE
This volume contains troubleshooting requirements for direct support and general support (DS/GS) of
the M13A1, M13A1C, M13A3, and M13B1 Elevation Fire Control Quadrant. Because this unit is
completely mechanical, the troubleshooting procedures are given in the form of a performance test. The
performance test checks if the unit is operating correctly and helps you find the fault symptom. It also
tells you what maintenance action is required to fix your fault.



VOLUME I
T R O U B L E S H O O T I N G
INTRODUCTION
Scope
Organization
How to Troubleshoot
Test Equipment
TROUBLESHOOTING
Scope
Performance Test

V O L U M E I I
M A I N T E N A N C E
INTRODUCTION
General
Scope
Organization
Description and Data
Physical Description
Tabulated Data
Differences Between Configurations
CHAPTER 2. GENERAL MAINTENANCE INFORMATION
Section 1. General
Scope
2. Reference Documents
General Maintenance
Cleaning
Painting
Sealing
Lubrication
Safety Procedures