Textron LYCOMING O-320 Series - Accessory Drive Details; Detail Weights

LYCOMING OPERATOR’S MANUAL SECTION 2
O-320 SERIES SPECIFICATIONS
*Accessory Drive Drive Ratio **Direction of Rotation
Starter 13.556:1 Counterclockwise
Starter 16.556:1 Counterclockwise
Generator 1.910:1 Clockwise
Generator 2.500:1 Clockwise
Alternator 3.250:1 Clockwise
Tachometer 0.500:1 Clockwise
Magneto 1.000:1 Clockwise
Vacuum Pump 1.300:1 Counterclockwise
Propeller Governor AN20010
Mounted on Accessory Housing 0.866:1 Clockwise
Mounted on Crankcase 0.895:1 Clockwise
Fuel Pump AN20003 1.000:1 Counterclockwise
Fuel Pump – Plunger Operated 0.500:1
Dual Drives
Vacuum – Hydraulic Pump 1.300:1 Counterclockwise
Vacuum Pump – Propeller Governor 1.300:1 Counterclockwise
* - When applicable.
** - Viewed facing drive pad.
DETAIL WEIGHTS
1. Engine, Standard, Dry Weight.
Includes carburetor, magnetos, spark plugs, ignition harness, intercylinder baffles, tachometer drive,
starter and generator (alternator) drive, starter and generator (alternator) with mounting bracket.
O-320 SERIES
LBS.
-E2D, -E3D, -E2G..........................................................................................................................................268
-A1A, -A1B, -A2A, -A2B, -A3A, -A3B, -A2C.............................................................................................272
-A3C, -E1A, -E2A, -E1B, -E2B, -E1C, -E2C................................................................................................272
-D2J, -E1J ......................................................................................................................................................275
-B2C, -B3C, -D1B, -D2B ..............................................................................................................................277
-B1A, -B1B, -B2A, -B2B, -B3A, -B3B.........................................................................................................278
-A2D, -D1A, -D1C, -D2A, -D2C, -E1F, -E2F ..............................................................................................278
-D2G, -D3G, -D2H ........................................................................................................................................281
-B2D, -B2E, -D1D .........................................................................................................................................283
-D1F, -D2F.....................................................................................................................................................285
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