Quantcast Drive Ratios and Rotation (From Front)

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TM 9-2815-220-24
ENGINE SPECIFICATIONS, CLEARANCES, SHIPPING CONTAINER
0003 00
ENGINE, Configuration (Continued)
Speed:
Governed, full load .......................................................................................................... 2400 rpm
Governed, no load................................................................................................. 2260 rpm (max)
Idle ..................................................................................................................................... 700 rpm
AVLB launch speed: Models 2CB and 2DA..........................................................1500-1800 rpm
Winching speed: Model 2DR ..................................................................... 1800 25 rpm, no load
Gross .................................................................................. 1770 to 1842 foot pounds at 1800 rpm
Net................................................................................................... 1585 foot pounds at 1800 rpm
Weight, dry (with accessories):
Models AVDS-1790-2CA and -2DA..................................................................... 4998 pounds
Model AVDS-1790-2DR ....................................................................................... 4925 pounds
Drive Ratios and Rotation (From Front)
Camshafts ................................................................................................... 0.500:1 counterclockwise
Cooling fans............................................................................................................ 2.000:1 clockwise
Generator ................................................................................................................ 3.200:1 clockwise
Starter ................................................................................................................... 11.846:1 clockwise
Fuel injection metering pump................................................................................. 1.000:1 clockwise
Fuel supply pump:
Models AVDS-1790-2CA and -2DA ................................................................ 1.000:1 clockwise
Model AVDS-1790-2DR ....................................................................... 1.000:1 counterclockwise
Power takeoff:
Model AVDS-1790-2DR ................................................................................... 1.000:1 clockwise
Oil pump ................................................................................................................. 1.327:1 clockwise
Tachometer drive ........................................................................................ 0.500:1 counterclockwise
Settings
Valve timing:
Intake opens ............................................................................25 degrees BTC (before top center)
Intake closes........................................................................ 55 degrees ABC (after bottom center)
Intake remains open ..................................................................................................... 260 degrees
Exhaust opens .................................................................. 45 degrees BBC (before bottom center)
Exhaust closes........................................................................... 20 degrees ATC (after top center)
Exhaust remains open .................................................................................................. 245 degrees
Setting (0.100 in. clearance) ......................... intake closes 32 degrees ABC (after bottom center)
WP 0003 00-3

 


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