TM-9-2815-220-24
AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines
TM-9-2815-220-24 - Page 41 of 1563
TM 9-2815-220-24
EQUIPMENT DESCRIPTION AND DATA
0002 00
WP 0002 00-3
ENGINE CHARACTERISTICS, CAPABILITIES, AND FEATURES (Continued)
Models
Distinguishing Features (Continued)
2DR
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Air-cooled, 28-volt dc, 300 ampere generator
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Blower motor mounted on generator draws cooling air from crew
compartment through air intake tube which extends along crankcase below
intake manifold on right side of engine
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Generator air exhaust tube elbow is connected to rear of engine shroud
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Outlet air is exhausted through engine rear cooling fan vane
Power Take-off (PTO) Unit
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Mounted on damper housing
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Solenoid-controlled throttle linkage designed to maintain a minimum engine
speed for PTO unit
Turbosuperchargers location
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Location is about 2.5 inches inboard, and therefore turbosuperchargers outlets
are re-indexed
Flywheel
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Internal ring gear for driving the transmission
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Internal ring gear is mounted to crankshaft through an adapter
Transmission adapter (housing)
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Serves as spacer for attaching transmission to engine
Fuel metering pump overflow fuel
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Fuel is routed back through front engine shroud, and
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Fuel return tube cross at rear of engine is blocked
Not Equipped With:
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Clean Air Package
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Engine installation guides or wiring harness
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