SECTION 2
LYCOMING OPERATOR’S MANUAL
SPECIFICATIONS
TIO-540 SERIES – ANGLE VALVE CYLINDER HEADS
SPECIFICATIONS (CONT.)
TIO-540-AJ1A
FAA Type Certificate ..............................................................................................................................E14EA
Rated horsepower..................................................................................................................... 310 @ 14,000 ft.
Rated speed, RPM........................................................................................................................................2500
Bore, inches.................................................................................................................................................5.125
Stroke, inches..............................................................................................................................................4.375
Displacement, cubic inches.........................................................................................................................541.5
Compression ratio ....................................................................................................................................... 7.3:1
Firing order .......................................................................................................................................1-4-5-2-3-6
Spark occurs, degrees BTC..............................................................................................................................20
Valve rocker clearance (hydraulic tappets collapsed) ......................................................................... .028-.080
Prop. drive ratio ............................................................................................................................................. 1:1
Prop. driven ratio ................................................................................................................................Clockwise
*Accessory Drive
Drive Ratio
**Direction of Rotation
Starter
16.556:1
Counterclockwise
Generator
1.910:1
Clockwise
Generator (Optional)
2.500:1
Clockwise
Alternator
3.200:1
Clockwise
Alternator (Optional)
3.630:1
Clockwise
Vacuum Pump
1.300:1
Counterclockwise
Hydraulic Pump
1.385:1
Clockwise
Hydraulic Pump
1.300:1
Clockwise
Tachometer
.500:1
Clockwise
Propeller Governor
.895:1
Clockwise
Propeller Governor
.947:1
Clockwise
Magneto Drive: Single
1.500:1
Clockwise
Magneto Drive: Dual
.750:1
Clockwise
Fuel Pump - AN
1.000:1
Counterclockwise
Fuel Pump Plunger Operated
.500:1
Counterclockwise
* - When applicable.
** - Viewed facing drive pad NOTE that engines with L in the prefix will have opposite rotation to the
above.
- Dual magneto engines.
- Wide cylinder flange series.
- Fuel pump drive has clockwise rotation on dual magneto engines.
1. STANDARD ENGINE, DRY WEIGHT.
MODEL
LBS.
TIO-540-S1AD ..............................................................................................................................................533
TIO-540-A1A, -A1B, -A2A, -A2B, -A2C.....................................................................................................537
TIO-540-AH1A, -F2BD ................................................................................................................................542
TIO-540-J2BD, -R2AD .................................................................................................................................548
2-4
Summary of Contents for TIO-540-A1A
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Page 134: ...SECTION 8 LYCOMING OPERATOR S MANUAL TABLES TIO 540 SERIES ANGLE VALVE CYLINDER HEADS 8 2 ...
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