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TI4400 GPU-24
3
Figure 2.1.1 – TI4400 GPU-24
2.2 – Indication of Terms: Shall, Should, and May
Within this technical manual the word “shall” is used to indicate a mandatory requirement for proper operation
and warranty purposes. The word “should” is used to indicate a non-mandatory but preferred method of
accomplishment. The word “may” is used to indicate an acceptable method of accomplishment.
Section 2 – Product Overview
2.1 – Introduction
Thank you and congratulations on the purchase of your new TI4400 GPU-24 Ground Power Unit.
The TI4400 GPU-24 provides dc electrical ground power for aircraft flight line, maintenance, and ground
support operations. The unit is designed to provide 24 volt dc electrical power output for vehicle and aircraft
engine starting and 24 or 28.5 volts dc electrical support for ground maintenance, avionics/electrical
troubleshooting and testing. The observance of procedures, limitations and performance criteria ensures
peak operating efficiency and maximizes operational capabilities and life of the TI4400 GPU-24.
This manual contains the complete operating instructions and procedures for the TI4400 GPU-24 needed to
safely and efficiently operate this GPU.