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Robin EC10 User Manual

Robin EC10
63 pages
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Robin EC10 Specifications

General IconGeneral
Engine type4-cycle, single cylinder, OHC gasoline engine
Displacement98 cm³ (5.98 cu. in.)
Bore x Stroke58 x 37 mm (2.28 x 1.46 in.)
Fuel tank capacity1.7 L (0.45 US gal)
Oil capacity0.4 L (0.42 US qt, 0.35 Imp qt)
Dry weight10.5 kg (23.1 lb)
Fuel SystemCarburetor
FuelGasoline
Starting systemRecoil starter
Max Power Output6.5 HP @ 7500 rpm
Max Torque6.5 Nm @ 5500 rpm

Summary

2. PERFORMANCE

2-1 MAXIMUM OUTPUT

Defines maximum output of an engine after initial run-in and wear.

2-2 CONTINUOUS RATED OUTPUT

Specifies power output for sustained operation at optimal speed and efficiency.

2-3 MAXIMUM TORQUE and FUEL CONSUMPTION RATIO AT MAX. OUTPUT

Details torque and fuel consumption figures at the engine's maximum output.

3. FEATURES

FEATURES OVERVIEW

Summarizes key engine attributes including compactness, durability, and versatility.

4. GENERAL DESCRIPTION of ENGINE CONSTRUCTION

4-1 SECTIONAL VIEW of ENGINE

Illustrates internal components and overall engine layout with labeled parts.

4-2 CRANKCASE

Describes the crankcase assembly material and construction, including split-type design.

4-3 BASE PLATE

Details the base plate, made of aluminum alloy die-casting, attached with bolts.

4-4 CRANKSHAFT and CONNECTING ROD ASSY.

Explains the construction and material of the crankshaft and connecting rod assembly.

4-5 PISTON

Describes the precision-casted piston, its machining, and piston ring grooves.

4-6 DRIVING SHAFT (P.T.O. shaft)

Details the material and force-fitting of the driving shaft for Model B.

4-7 CYLINDER

Explains cylinder construction, material, and port configuration for different models.

4-8 CYLINDER HEAD

Describes the heat-conductive aluminum alloy cylinder head with fins and combustion chamber.

4-9 GOVERNOR

Explains the centrifugal flyweight type governor for constant-speed operation.

4-10 COOLING

Details the cooling system utilizing a fan, blower housing, and air baffle.

4-11 IGNITION

Describes the flywheel magneto ignition system and its timing settings.

4-12 CARBURETOR

Explains the horizontal draft float type carburetor and its settings.

4-13 AIR CLEANER

Details the semi-wet type air cleaner with oil-soaked filtering element.

4-14 REDUCTION EQUIPMENT

Describes reduction gears and pinions used for specific engine models.

4-15 STARTING PULLEY or RECOIL STARTER

Covers the starting pulley and optional recoil starter availability for various models.

5. INSTALLATION

5-1 MOUNTING

Guidelines for engine mounting position, coupling, and anchoring methods.

5-2 VENTILATION

Requirements for fresh air supply for engine cooling and fuel combustion.

5-3 EXHAUST GAS EVACUATION

Procedures for safely venting toxic exhaust gases to the outdoors.

5-4 FUEL SYSTEM

Considerations for fuel pipe connections, tank positioning, and filtration.

5-5 POWER TRANSMISSION to DRIVE MACHINES

Information on belt-drive and flexible coupling for transmitting power.

5-6 WIRING

Provides wiring diagrams for rope starting engines and engines with starting motors.

5-2 SPECIAL TOOLS

Lists special tools required for disassembly, measuring, and inspection instruments.

6. DISASSEMBLY and REASSEMBLY

6-1 PREPARATIONS and SUGGESTIONS

Guidelines for preparing, disassembling, cleaning, and checking engine parts.

6-1-4 REASSEMBLY

Procedures for reassembling engine components, including torque specifications.

6-3 DISASSEMBLY and REASSEMBLY PROCEDURE

Step-by-step instructions for disassembling various engine components like fuel tank, carburetor, and cylinder.

7. MAGNETO

7-1 MAGNETO

Describes the magneto assembly which provides the ignition spark.

7-2 BREAKER POINT ADJUSTMENT

Details the procedure for adjusting breaker points for correct ignition timing.

7-3 TIMING ADJUSTMENT

Explains timing adjustment procedures using a timing tester and alignment marks.

7-4 MAGNETO TROUBLE SHOOTING

Guides for diagnosing and resolving issues related to the magneto system.

8. GOVERNOR

8-1 CONSTRUCTION and OPERATION

Explains the centrifugal flyweight type governor's construction and its role in speed control.

8-2 GOVERNOR ADJUSTMENT

Provides procedures for adjusting the governor linkage for proper engine speed regulation.

8-3 HIGH SPEED ADJUSTMENT

Outlines the steps for adjusting the engine's maximum operating speed.

9. CARBURETOR

9-1 CONSTRUCTION and OPERATION

Details the float system, throttle valve, choke valve, and fuel systems of the carburetor.

9-2 DISASSEMBLY and REASSEMBLY

Step-by-step instructions for disassembling and reassembling the carburetor for cleaning and maintenance.

9-3 ADJUSTMENTS

Covers adjustments for pilot screw and throttle stop screw to set the engine idling speed.

10. RUN IN OPERATION of REASSEMBLED ENGINE

11. TROUBLE SHOOTING

11-1 STARTING DIFFICULTIES

Lists common causes and remedies for engine starting problems.

11-2 SLOW-SPEED out of order

Addresses issues related to faulty slow-speed engine operation and causes.

11-3 OVERHEATING and KNOCKING

Explains common causes and solutions for engine overheating and knocking conditions.

11-4 POWER DROP

Discusses primary causes and corrective actions for a reduction in engine power output.

11-5 EXCESSIVE FUEL CONSUMPTION

Identifies reasons for high fuel consumption and their respective solutions.

11-6 ENGINE HUNTING

Explains the causes of unstable engine speed (hunting) and how to correct them.

11-7 OTHER COMPLAINTS

Covers miscellaneous engine problems like fuel overflow and abnormal noise.

12. CHECKS and CORRECTIONS

13. MAINTENANCE and STORING

13-1 DAILY CHECKS and MAINTENANCE

Outlines essential daily checks and maintenance tasks for the engine.

13-2 EVERY 50 HOURS (10 DAY) CHECKS and MAINTENANCE

Details maintenance tasks to be performed at 50-hour intervals or every 10 days.

13-3 EVERY 100-200 HOURS (MONTHLY) CHECKS and MAINTENANCE

Specifies maintenance tasks for 100-200 hour intervals or on a monthly basis.

13-4 EVERY 500-600 HOURS (SEMIANNUAL) CHECKS and MAINTENANCE

Lists maintenance tasks required at 500-600 hour intervals or semi-annually.

13-5 EVERY 1000 HOURS (YEARLY) CHECKS and MAINTENANCE

Describes maintenance procedures to be performed at 1000 hour intervals or annually.

13-6 PREPARATION for LONG ABEYANCE

Provides instructions for preparing the engine for extended periods of storage.

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