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

  TM-9-2815-220-24 - Page 61 of 1563

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
Torque:
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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