Authorized Modification of Battery Installation

*TB 1-1730-229-30-2

URGENT

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

Aviation Ground Power Unit (AGPU)

Part Number 83-360A, NSN 1730-01-144-1897

Part Number 83-360D, NSN 1730-01-466-9371

Headquarters, Department of the Army, Washington D. C.

2 December 2003

DISTRIBUTION STATEMENT A: Approved for public release, distribution is unlimited.

NOTE

THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.

1. PURPOSE. The purpose of this TB is to allow aviation units to replace the troublesome 24-volt

aircraft battery used on the AGPU with two 12-volt, maintenance free lead-acid batteries.

2. PRIORITY CLASSIFICATION. URGENT.

3. SUMMARY OF PROBLEM.

a. Keeping the battery on the AGPU charged has always been a major problem area. This is true

whether the lead-acid or NiCad battery is used.

b. These batteries are expensive and require maintenance.

4. INSPECTION PROCEDURES.

a. The electrical system should be checked for any electrical leak that would drain the battery and

necessary fixes applied before replacing the battery.

b. The battery compartment should be checked for corrosion and repaired as necessary.

*This manual supersedes TB 1-1730-229-30-2, dated 16 July 2003, including all changes.