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ULPOWER UL260i - User Manual

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UL26Oi
UL26OiF
UL26OiS
UL26OiSA
Operating
Manual
MO 260A01 Revision No: 6 Date: 2014-09-15
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Summary

Preface

Remarks

Discusses manual's images, specifications, and conversions.

Modifications

ULPower's policy on product improvements and changes.

Engine serial number

Importance of engine serial number for inquiries.

Repeating symbols

Explains symbols used to emphasize important information.

Safety information

Engine description

General Description

Overview of engine features: 4-stroke, 4-cylinder, opposed, EFI, etc.

Specifications

Technical data including displacement, bore, stroke, power, weight.

Description of basic standard engine and accessories

Lists engine assembly components and necessary external items.

Engine views

Diagrams illustrating engine dimensions and layout from different perspectives.

Denomination of cylinders

Description of systems

Lubricant system

Explains oil circulation, filtration, and cooling.

Fuel system

Describes fuel flow from tank to injectors and pressure regulation.

Electronic Engine Management system

Details the ECU, injection, ignition, and RPM limiter functions.

Cooling system

Describes air cooling of cylinders and heads, and oil cooling.

General operating limits

Speed

Lists maximum, recommended, and idle engine speeds.

Running in

Recommendations for new engine break-in period.

Performance (ISA)

Power ratings for UL260i and UL260iS under ISA conditions.

Acceleration

Limit for zero gravity and negative 'g' conditions.

Oil pressure

Operating ranges for oil pressure (min, normal, max).

Oil level

Specifies maximum and minimum oil quantities in litres and quarts.

Oil temperature

Defines acceptable oil temperature ranges (min, normal, max).

Cylinder head temperature

Specifies operating limits for cylinder head temperatures.

Manifold air temperature

Operating limits for intake air temperature.

Outside air temperature

Operating limits for ambient air temperature.

Relative fuel pressure

Defines acceptable fuel pressure ranges and its effect.

Deviation from bank angle

Lubrication system limit for flight maneuvers.

Electrical power

Minimum voltage requirement for engine operation.

Engine performance

Performance graphs for standard conditions (ISA)

Shows power and torque curves for UL260i and UL260iS.

Performance graph for non-standard conditions

Operating media

Fuel

Specifies recommended fuel types, octane ratings, and AVGAS usage.

Lubricants

Recommends oil types and provides usage cautions for synthetic oils.

Standard operation

Daily;Pre-flight checks

Procedures for pre-flight inspection, including warnings.

Engine start

Step-by-step guide for starting the engine, including checks and precautions.

Prior to take-off

Covers warming up, idle speed, throttle response, and ignition tests.

Take-off

Procedures for take-off and climb, including power limits.

Cruise

Guidelines for engine operation during cruise flight, including oil temperature.

Engine shut-down

Procedures for safely stopping the engine after flight.

Engine storage

Abnormal operation

Abnormal running on ignition check

Troubleshooting steps for ignition system issues.

Sudden engine stop

Procedures for handling unexpected engine stoppages and checks before restart.

Nearing maximum engine speed

Response to reaching the engine RPM limiter.

Exceeding of max. admissible cylinder head temperature

Actions for high CHT, including precautionary landing.

Exceeding of max. admissible oil temperature

Actions for high oil temperature, including precautionary landing.

Oil pressure below minimum

Actions for low oil pressure, including immediate stop and checks.

Exceeding of max. admissible oil pressure

Actions for high oil pressure, including immediate stop and checks.

Relative fuel pressure deviates from normal

Troubleshooting fuel pressure issues and their effect on mixture.

Single CHT and;or EGT drop

Diagnosing issues when cylinder temperatures drop unexpectedly.

Knocking

Causes and actions for engine knocking, including fuel type checks.

Low battery voltage

Managing low battery conditions and reducing electrical load.

ULPOWER UL260i Specifications

General IconGeneral
BrandULPOWER
ModelUL260i
CategoryEngine
LanguageEnglish