Description
Technical Manual Change 1 to TM 9-1220-220-34 for M10-Series Drive Ballistics, July 1965
This Technical Manual Change 1 for TM 9-1220-220-34 covers the M10, M10A1, M10A3, M10A4, M10A5, and M10B1 Drive Ballistics and is dated July 1965.
The publication is an official update to the original TM 9-1220-220-34 issued on January 21, 1963, and identifies FSN 1220-676-2184. It is a change notice rather than the complete base manual.
Historical Significance
The M10-series Drive Ballistics were mechanical components of U.S. tank fire-control systems. These drives transmitted superelevation data calculated by the ballistic computer to the associated sighting equipment, allowing the system to apply the vertical aiming correction for ammunition type and target range.
The original January 1963 manual covered the M10, M10A4, and M10B1. This July 1965 change reflects the expanded M10 family by adding coverage for the M10A1, M10A3, and M10A5 configurations.
What This Manual Covers
As Change 1 to a -34 maintenance publication, this notice updates the higher-level maintenance information for the following Drive Ballistics:
- M10 (FSN 1220-676-2184)
- M10A1 (FSN 1220-076-9765)
- M10A3 (FSN 1220-572-8735)
- M10A4 (FSN 1220-856-9456)
- M10A5 (FSN 1220-980-9297)
- M10B1 (FSN 1220-870-6275)
When used with the January 21, 1963 base manual, the change provides revised information supporting the inspection, troubleshooting, removal, installation, adjustment, repair, and testing of the covered equipment.
The notice contains the revisions issued in July 1965 and supplements rather than replaces the complete TM 9-1220-220-34 publication.
Key Features
- Official publication number: Change 1 to TM 9-1220-220-34
- Change publication date: July 1965
- Original manual date: January 21, 1963
- Equipment covered: M10, M10A1, M10A3, M10A4, M10A5, and M10B1 Ballistics Drives
- Publication type: official technical manual change notice
- Maintenance scope: higher-level Ballistics Drive maintenance
- System application: U.S. tank fire-control equipment
Why This Manual Matters
Change 1 brought the original maintenance manual up to date for a broader group of M10-series Drive Ballistics. It preserves the Army’s revised technical information for configurations that were not listed in the original January 1963 edition.
The notice is particularly valuable for completing an original TM 9-1220-220-34 manual set and documenting the development and maintenance history of mechanical tank fire-control equipment.
About This Manual
Published by the Department of the Army in July 1965, this is Change 1 to TM 9-1220-220-34, the maintenance manual for the listed M10-series Ballistics Drives.
This item is the official Change 1 update for the base manual issued on January 21, 1963. It is not the complete TM 9-1220-220-34 base publication.
Ideal For
This technical manual change is a strong fit for:
- U.S. Army technical-manual collectors
- Tank fire-control equipment researchers
- M10-series Drive Ballistics restoration projects
- Military museums and reference libraries
- Collectors completing a TM 9-1220-220-34 manual set
- Historians studying mechanical tank fire-control systems
Approx length 8", Approx width 10", Approx height .1", Approx weight .2lbs.
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