TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815·220-34 Exhaust oses . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . .... . . . . . . . . . .20 ° t er top center (AT Exhaust remains open . . . . . . . . . . . . . . . . . . • . ... . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . 245° Setting (0.1 in. clearance) ..................................................Intakes closes 32° after botto m center (ABC) Va l v es : Lift ........................................................................ 0.460 in. Clearance (cold engine): Exhaust ........................ ............ ............................ 0.026 in. Intake .................................................................. 0.010 in. Fuel injection metering pump timing: Static setting "ith injection advance in fuel retarded position . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 26• BTC L ubiica tion: Normal oil temperature ..................................................... t8. at 60°F. ambient lnximum oil temperature (oul of cooler) . . . . . . . . . .. . .. . . . ... . . . . . . . . . . . . . . . . . 2 500F. Oil pressure (crankcase main oil gallery): 700 rpm .................................................................... 15 psi (SAE 30 oil al 140° to 250°F) 2•100 rpm · · . . · · · . . · . . . . · . . . . . . . . . . . . . . . . .. . ................. . . . . . . . . . . . .. . . . 40 10 70 psi (SAE 30 oil at 180°F) Oil pump output (SAE 30 oil al 180°1. at 2 8 rpm of pump): Pressure pump . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . 70 gpm Scavenge pump ....... ...................................................... 77 gpm Oil C+pacity (npproximate): Dry engine .................................................................20.0 gallons Oil and filter change ..................................................... ...17.0 gallons Manifold heater (cold weather starting and idle operation in cold weather) Type . . . . . . • . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .. . .. . . . . . . . . . . . . . Flame type, spark ignition Spark plug (ignition) gap .... . .. .. . . . ..... . . .. . . . . ..... . ... ... . . . . . . . . . . . . ... 0.094 in. to 0.114 in. Pump (hand operated from dri,·er's compartment) ............................Z psi Spray nozzle now . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . 1.5 to 2.2 lbs/hr Fuel (type) .................................................................. same as engine fuel 1-25. Drive Ratios and Rotation (From Front) Camshafts . . . . . . . . . . . . . . . . . . . . . . . ... ... . . . . . . . . . . . .. . . . . . ...... . . . . . . . . . • • • ..... 0.500:1 counterclockwise oling fans . . . . .. . . . . . . . . . . . . . . .. . .... . . . . . . . . . . . . . . . . . . . . . . ........ .. ... . . . .. . 2.000:1 clock,,ise Generator ......................................................................3.2:1 clkwise St arter .. .. . . . . . . .. . . . . . . . .. . . . . . . . . . . . .. . . . . . ... . ... . . . . . . . . . . . . . .. . . . . . . . . . .. .11.846: 1 clkwise Fuel injection metering pump . . . . . . . . . .. . . . . . . . . . . . . . . . . . .... . ... . . . . . .. .. . . . . . . 1.000:1 clkwise Fuel suppl)• pump Models A VDS-l 790·2C, AVDS· 1790·0, AVDS·l 790·2CA I :+1d AVDS·l790·2DA . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . ... . . ..... . . . .1.000:1 clockwise Fuel supply p ump Model AVDS-1790·2DR ........................................................ l.000:1 counterclockwise Powr take-off Model AVDS-17Z-2DR ........................................................ 1.000:1 clockwise Oil pump ....................................................................... 1.327:1 clockwise Ta chome ter d rive . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . ......... . . . . . . . . . • . . . 0.5:1 counlerclk,1ise 1·24 Change 3