Subaru Robin Power Products EY44-2, EY33-2 manual 1PREPARATIONS and Suggestions, Specialtools

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6. DISASSEMBLY and REASSEMBLY

6-1PREPARATIONS and SUGGESTIONS

1 ) Whendisassemblingengine,carefullynotemountingpositionsandmethodsofrespectivepartsinorderto beable to reassemble them correctly. Tag parts, if there is a possibility of confusion.

2 ) Prepare several boxes to keep parts belonging to respective groups together.

3 ) In order to prevent missing or misplacing, group related parts together, tentatively assembling them immediately after disassembling each sub-assembly.

4 ) Carefully handle parts, and clean them with washing oil after disassembling.

5 ) Use correct tools in correct ways.

6 ) Standard tools to be prepared for disassembling.

a)Work Bench

b)' WashingPan

c)Disassembling Tools

d ) Washing Oil (KeroseneorGasoline),Mobile Oil e)EmeryPaper,Cloth

7 ) Drain fuel and oil without fail before disassembly.

To drainoil,unscrewtheoildrainpluglocatedonthesideofcrankcaseoncarburetorsidebyturningit counter-clockwise.

8 ) Clamp cylinder head, cylinder main bearing cover, connecting rod, spark plug, and flywheel with specified torque when reassembling them .

9 ) Replace all the packings and gaskets with new ones when reassembling.

I O ) Wash parts with new gasoline o r washing oil, and blow them with compressed air before reassembling. 1 1 ) Apply mobile oil to the rotating and sliding parts.

12)Be careful not to contaminate parts with dust during reassembling.

13)Tighten bolls, nuts, and screws to correct torque readings specified. I f small screws are tightened too strongly, they may be broken.

14) After reassembling, turn the moving parts by hand, and check them for signs of abnormal friction, noises, or looseness.

6-2 SPECIALTOOLS

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VALVE SPRING COMPRESSOR

Fig. 6-2

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Contents Page Diesel FuelSystem Troubleshooting RUN-INOPERATIONSPEC1FICATIONS Continuousratedoutput Performance1MAXIMUMOUTPUT 3MAXIMUMTORQUEANDFUEL Consumption RATIOATMAX.OUTPUTModel EY44-2 FeaturesPerformance Curve Lighting Coil FLYWHEELCOOLI~GFANSEl Crankshaft CrankcaseMainbearing Cover CamshaftCooling 15AIRCLEANER10GOVERNOR Lubrication2VENTILATION InstallationMounting Exhaust GAS EvacuationRope Startingengine ENGINEwithSTARTINGMOTOR1PREPARATIONS and Suggestions Specialtools4MUFFLER 2BLOWER Housing and Cylinderbaffle3AIRCLEANER 5GOVERNORLEVER and CarburetorTappet Chamber with the Compressor Valve and Valvestemholeclearance 0ossAdjusting Tappet Clearance Fig 9CYLINDERBLOCK12CONNECTING ROD and Piston Camshaft and TappetPiston Ring See Fig Piston and Connecting RODAssembly of Connecting ROD 13CRANKSHAFT -3-13 Magneto 4MAGNETO Service Instructions See FigChecking Ignition Spark Governor Adjustment Float System CarburetorOperation and Construction see Figs -1-1and Disassembly and Reassembly Pilot System4MAIN System 3ADJUSTMENT3PILOT System 5FLOATSYSTEMRUN-IN Operation of Engine after Reassembly Compression System Startingdifficulties11 1 1 Fuel System Engineoverheats Engine MissesEngine Stops 11-5ENGINE Knocks 11-6ENGINE Backfires Through CarburetorChecks and Corrections Orrection Table SizeIo.1 +o.1 01500 250-300 18-2 Every 50 HOURS10DAY Checks and Maintenance Daily Checks and MaintenanceEVERY20HOURS Checks and Maintenance 134EVERY 100 200 Hoursmonthly Checks and Maintenance13-5EVERY 500 600 Hourssemianual Checks Maintenance13-6EVERY 1000 Hours Yearly Checks and Maintenance 13-7PREPARATION for Long AbeyancePage Page Industrial Engines