ENGINE, Configuration (Continued)

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ENGINE SPECIFICATIONS, CLEARANCES, SHIPPING CONTAINER

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TM-9-2815-220-24 Maintenance Manual for AVDS-1790 2CA 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

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Drive Ratios and Rotation (From Front)

TM 9-2815-220-24

ENGINE SPECIFICATIONS, CLEARANCES, SHIPPING CONTAINER

0003 00

ENGINE, Configuration (Continued)

Fuel:

Type ......................................................................................................................................... JP-8

Specification ....................................................................................................... MIL-DTL-83133

Supply pressure (at injection pump inlet) ........................................................................ 55-60 psi

Consumption at 750 hp and 2400 rpm ........................................................... 305 pounds per hour

Fuel System:

Induction .................................................................................................................... supercharged

Air flow (at rated power and speed) ................................................................................ 2000 cfm

Horsepower:

Gross ............................................................................ 735 to 780 brake horsepower at 2400 rpm

Net ........................................................................................... 642 brake horsepower at 2400 rpm

Ignition............................................................................................................................. compression

Lubrication:

Normal oil temperature .............................................................................180 F at 60 F ambient

Maximum oil temperature (out of cooler) ........................................................................... 250 F

Manifold heater (cold weather starting and idle operation in cold weather):

Type ........................................................................................................flame-type spark ignition

Spark plug (ignition) gap ................................................................................. 0.094 to 0.114 inch

Pump (hand operated from driver's compartment)............................................................... 90 psi

Spray nozzle flow .................................................................................. l.5 to 2.2 pounds per hour

Fuel (type) ........................................................................................................same as engine fuel

Oil

Capacity (approximate):

Dry engine ...............................................................................................................20.0 gallons

Oil and filter change................................................................................................17.0 gallons

Oil type........................................................................................................................... lubricating

Specification ................................................................................. MIL-L-45199, Grade 2 (OE30)

Oil pressure (crankcase main oil gallery):

700 rpm ................................................................................. 15 psi (SAE 30 oil at 140 to 250 F)

2400 rpm ................................................................................. 40 to 70 psi (SAE 30 oil at 180 F)

Oil Pump (high volume) output, (SAE 30 oil at 170-180 F at 2400 rpm engine speed):

Leveling Pump (minimum flow) ........................................................................................ 32 gpm

Pressure Pump (minimum flow) ......................................................................................... 97 gpm

Scavenge Pump (minimum flow) ..................................................................................... 121 gpm

Reserve Pump ((minimum flow) ........................................................................................ 17 gpm

Stroke ................................................................................................................................ 5.750 in.

Compression ratio .................................................................................................................... 16:1

Displacement................................................................................. 149.1 cubic inches per cylinder

WP 0003 00-2