TM 1-1520-238-T-4
4–2
SECTION I.
EQUIPMENT DESCRIPTION AND DATA
4–1.
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES
4–1
a. Characteristics.
The T700–GE–701 and T700–GE–701C engines consist of an accessory section
module, a cold section module, a hot section module and a power turbine module.
b. Capabilities and Features.
The T700–GE–701 and T700–GE–701C engines provides power to the
drive system. Helicopters with T700–GE–701C engines are equipped with a digital electronic control (DEC) which
performs the same functions as the elctronic control unit (ECU) on the T700–GE–701.
4–2.
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
4–2
a. Power Plants.
The major components of the power plants (fig. 4–1) consist of two T700–GE–701 or
T700–GE–701C front drive turboshaft engines and related subsystems. Engine 1 is on the left side of the
helicopter and engine 2 is on the right.
RIGHT ENGINE NACELLE
(ENGINE 2)
ENGINE
EXHAUST
LEFT ENGINE
NACELLE
(ENGINE 1)
ENGINE INLET
COWLING
NOSE GEARBOX
FAIRING
M58-066
Figure 4–1.
Power Plants Major Component Locations
b. Related Subsystems.
Related subsystems control the engines and provide cooling and engine exhaust.
The subsystems include the following:
Engine Cooling Subsystem.
Provides cool air for the engines.
Engine Anti–Ice Subsystem.
Prevents icing of the engine air inlets and the nose gearboxes
(NGB).
