Inspection and Repair of Aviation Ground Power Unit (AGPU)

*TB 1-1730-229-30-3

URGENT

DEPARTMENT OF THE ARMY TECHNICAL BULLETIN

Inspection and Repair of Aviation Ground Power Unit (AGPU)

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

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

U.S. Army Aviation and Missile Command, Redstone Arsenal, AL 35898

9 August 2006

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

1. PURPOSE. The purpose of this TB is to inspect all Aviation Ground Power Units (AGPU) returning

from Operation Enduring Freedom/Iraqi Freedom (OEF/OIF) to determine the need for repair and

incorporate corrections to reported operational problems and approved configuration changes.

2. PRIORITY CLASSIFICATION. PRIORITY.

3. SUMMARY OF PROBLEM.

a. Operations in OEF/OIF may have caused serious deterioration to the AGPUs engine and other

subsystems.

b. Several operational problems, such as malfunctioning emergency shutdown switch and bent tow

bars exist with the AGPU, but can be fixed with minor repair/modifications.

c. Poor engine performance, starting, and other electrical problems exist and must be fixed.

4. REFERENCES. AGPU TM 55-1730-229-12 and TM 55-1730-229-34, including the AGPU

Lubrication Order LO55-1730-229-12, AGPU Engine Depot Maintenance Work Order (DMWR) 1-

2835-213, and "Stages of Rust and Corrosion" (Paragraph 10).

5. TECHNICAL INSPECTION PROCEDURES. The AGPU shall be inspected for damaged,

inoperative, broken, deteriorated, missing, or corroded parts and components that adversely affect

AGPU performance using the enclosed procedures and recorded in accordance with the checklist in

Paragraph 11, Table 1. Damaged, missing, or otherwise unserviceable components will be

annotated on a DA 2404 (provided at Paragraph 15). Technicians familiar with AGPU configurations

shall perform the Technical Inspections.

a. AGPU Operator Preventive Checks and Services (PMCS).

(1) Make sure AGPU is free of tools, equipment, fluid leaks (fuel, engine oil, and hydraulic fluid),

dirt, and corrosion.

(2) Set (lower) parking brake. Disengage clutch lever and ensure quick-release pin is installed.

*This TB supersedes TB 1-1730-229-30-3, dated 16 February 2005.