Subaru Robin Power Products EY20V, EY15V manual Daily Checks and Maintenance

Page 53

15. MAINTENANCE and STORING

The following maintenance jobs apply when the engine is operated correctly under normal conditions. The indicatedmaintenance intervalsare bynomeansguaranteesformaintenancefreeoperationsduringthese intervals.

For example, if the engine is operated in extremely dusty conditions, the air cleaner should be cleaned every day instead of every 50 hours.

15-1 DAILY CHECKS and MAINTENANCE

 

I maintenanceReasonsandChecks

for requiring them

Remove dust from whatever parts which accumulated dust.

The governor linkage is especially susceptible to dust.

If any, retighten

Not only wasteful but also dangerous Check external fuel

or replace.

Check screw tightening. If any loose one is found, re-tighten.

Check oil level in crankcase and add up as necessary.

Loose screws and nuts will result in vibration accidents.

If the engine is operated without sufficient oil, it will fail.

15-2 EVERY 20 HOURS CHECKS and MAINTENANCE

~~~~

~~~~~_ _

Checks and maintenance Reasons

for requiring them

Change crankcase oii.

To remove run-in wear particles

15-3EVERY 50 HOURS (IO DAYS)CHECKS and MAINTENANCE

I

requiringthemmaintenanceReasonsforandChecks

Change crankcase oil.

Contaminated oil accelerates wear.

-

Clean air cleaner.

plug. If contaminated, wash i n

gasoline or polish with emery paper.

Clogged air cleaner harms engine operation.

____

Output power is reduced and starting is made Check spark difficult.

15-4 EVERY 100 - 200 HOURS (MONTHLY) CHECKS and MAINTENANCE

Checks and maintenance

Cleanfuel filterand fuel tank.

Clean contact breaker points.

I

1

Reasons for requiring them

The engine will be out of order.

The engine output drops.

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Page 52 Page 54
Contents Page Wisconsin Robin Side ValveContents Basic Theory ofT .I.C Model SPEC1FICATIONSContinuous Rated Output PerformanceFeatures Crankshaft CYLINDER,CRANKCASE6VALVEARRANGEMENT Connecting ROD and PistonCamshaft Lubrication CylinderheadCooling 112CARBURETOR 111IGNITIONModel EY15V Sectional View of EngineAir Cleaner Muffler Cover Model EY20V Model EY20V Special Tools Preparations and SuggestionsApplicalbeShape Model Order 3HOW to DisassembleTool Order Exhaust valve Main bearing cover Procedures Remarks OrderProcedures ~Sequesnceand precautionsin reassembling Precaution in reassemblingMOW to Reassemble CrankshaftEY15V Eyzov Dimensions of Crankshaft PinPeriphery.I Y20 5 Mainbearing Cover Valve and Valve Guide Clearance 6INTAKE and Exhaust Valves7TAPPET Adjustment Kg-cm ’ 5-4-8CYLINDER HeadIntake Manifold 1FUEL Tank Bracket1 7 Recoil Starter 14AIRCLEANERTo 6-3TIMING Adjustment BreakerpointadjustmentMagneto MagnetoTiming Adjustment See Figs ,43 Spark Testing MagnetotroubleshootingSolidstate Ignition C. TransistorignitioncircuitDiscrimination accordingto the dimensions GovernoradjustmentPoint where the governorspring is to be hooked Page 1 Float System Carburetor1 Throttle System Disassembly and Reassembly2 Pilotsystem Float System BREAK-IN Operation of Reassembledengine Basic Theory of T.I.C. See Fig FeaturesIO. Robin Solid State Ignition Engine 11- 1-2 Compression System 11- 1 Starting Difficulties11-2ENGINGEMIFIRES 11- 1-3ELECTRICAL System11-3ENGINE Stops 11- 4 Engine OverheatsEnginebackfires through Carburetor EngineknocksPower Transmission to Drivenmachines InstallationVENT1LATION Exhaust GasdischargeSolid State Ignition Type WiringBreaker Point Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 Every 20 Hours Checks and Maintenance Daily Checks and Maintenance15-3EVERY 50 Hours IO Dayschecks and Maintenance Every 100 200 Hours Monthly Checks and MaintenancePREPARATiON for Longabeyance Every 500 600 Hours Semiannual Checks and MaintenanceEvery 1000 Hours Yearly Checks and Maintenance Page Page Page Page Industrial Engines
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