Subaru Robin Power Products EY15V, EY20V manual Table of Correctionstandards

Page 48

14. TABLE of CORRECTIONSTANDARDS

ITEM

 

ENGINE

 

 

MODEL I

SIZE

 

 

Flatness of cylinder

 

EY15

Less than 0.1

head

 

EY20

 

 

L-l=

 

EY20

67 dia.

Cylindricity

1

EY15

 

EY2O

 

1I

1

 

 

T.-

USE

 

CORRECTION

TOLERANCE

LIMIT

L I M I T

 

METHOD

 

0.15

 

 

Surface

 

0.1

 

 

plate,

Correct

rnax. & min.

0.15

 

0.65

 

 

 

 

 

 

0.01

 

 

 

 

Boring

0.015

 

 

 

 

 

I

Valve seat contact

 

EY15

1.2-1.5

2.5

 

 

 

Correct

width

 

EY2O

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

Valveguide I.D.

I

 

 

0.15

0.15

portion

gauge

Replace

 

 

 

 

 

 

 

O.D.at skirt, in

1

 

 

 

thrust direction

 

 

 

(incl. over size)

EY15

S.T.D.66.98 dia.

B

0.25

C

0.5

 

EY 20

67.23 dia.

 

 

Top,6;:8a:.

 

 

 

 

 

 

Width of ring

 

 

 

 

groove

 

 

Oil 2.8

 

 

1

 

Piston pin hole

:;E:

14 dia.

Clearance between

 

EY15

 

 

piston and cylinder

 

EY20

 

 

 

 

1

 

TOP

Clearance between

EY15

2nd

Oil

 

pisition ring and

 

 

TOP

ring groove

I

 

 

 

 

2nd

 

 

 

Oil

 

F i t betweenpiston

~ y 1 5

 

 

andpiston pin

EY20

 

 

 

 

k

TOP

 

 

2nd

Ring gap

Oil

 

TOP

 

 

 

 

2nd

 

 

k

Oil

 

 

 

Top

2.0

 

 

2nd

2.0

Ring width

Oil

2 . 8

TOP 2.0

 

 

 

 

2nd

2.0

 

 

011

2.8

i - 0.02

+0.025

+O .035

+o ,002

-0.009

I 0.020-0.059

0.090--0,135

0.060-0.705

0.01 0-0.065

0.050-0.095

0.010-0.055

0.010-0.065

-0.009-0.010

0.20-0.40

0.05- 0.25

-0.090--0.110

-0.060--0.000

-0.010--0.030

-0.050--0.070 -0.010--0.030 -o.a10--0.030

- 0.1

- 0.1

 

 

Micro-

Replace

 

 

meter

 

 

 

 

 

0.15

0.1 5

 

 

Vernier

Replace

 

 

calipers

 

 

 

 

 

0.035

0.035

 

 

Cylinder

 

 

 

gauge

 

 

 

 

 

 

 

 

Max. cylin-

 

 

 

 

der diaandCylinder.

 

 

0.025

0.25

pistondia.

 

gauge,

Replace

skertat

in

Micro-

 

 

 

 

 

thrustdirecmeter-

 

 

 

 

tion

 

 

 

0.15

0.1 5

 

 

Feeler

Replace

 

 

gauge

 

 

 

 

 

 

 

 

 

Cylinder

 

0 . 06L

0.06L

 

 

gauge.

 

 

 

Micro-

 

 

 

 

 

 

 

 

 

 

meter

 

1.5

1.5

 

 

Feeler

Replace

 

 

gauge

 

 

 

 

 

 

 

1

-0.1

-0.1

 

 

Mircro-

Replace

 

 

meter

 

 

 

 

 

- 44 -

Image 48
Contents Page Side Valve Wisconsin RobinContents Basic Theory ofT .I.C SPEC1FICATIONS ModelPerformance Continuous Rated OutputFeatures CYLINDER,CRANKCASE CrankshaftConnecting ROD and Piston Camshaft6VALVEARRANGEMENT Cylinderhead CoolingLubrication 111IGNITION 112CARBURETORSectional View of Engine Model EY15VAir Cleaner Muffler Cover Model EY20V Model EY20V Preparations and Suggestions Special ToolsApplicalbeShape Model 3HOW to Disassemble OrderTool Order Exhaust valve Main bearing cover Procedures Remarks OrderProcedures Precaution in reassembling ~Sequesnceand precautionsin reassemblingMOW to Reassemble CrankshaftDimensions of Crankshaft Pin EY15V EyzovPeriphery.I Y20 5 Mainbearing Cover 6INTAKE and Exhaust Valves Valve and Valve Guide Clearance7TAPPET Adjustment ’ 5-4-8CYLINDER Head Kg-cm1FUEL Tank Bracket Intake Manifold14AIRCLEANER 1 7 Recoil StarterBreakerpointadjustment To 6-3TIMING AdjustmentMagneto MagnetoTiming Adjustment See Figs ,43 Magnetotroubleshooting Spark TestingSolidstate Ignition C. TransistorignitioncircuitGovernoradjustment Point where the governorspring is to be hookedDiscrimination accordingto the dimensions Page Carburetor 1 Float SystemDisassembly and Reassembly 2 Pilotsystem1 Throttle System Float System BREAK-IN Operation of Reassembledengine Features IO. Robin Solid State Ignition EngineBasic Theory of T.I.C. See Fig 11- 1 Starting Difficulties 11- 1-2 Compression System11- 1-3ELECTRICAL System 11-2ENGINGEMIFIRES11-3ENGINE Stops 11- 4 Engine OverheatsEngineknocks Enginebackfires through CarburetorInstallation Power Transmission to DrivenmachinesVENT1LATION Exhaust GasdischargeWiring Breaker Point Ignition TypeSolid State Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 Daily Checks and Maintenance Every 20 Hours Checks and Maintenance15-3EVERY 50 Hours IO Dayschecks and Maintenance Every 100 200 Hours Monthly Checks and MaintenanceEvery 500 600 Hours Semiannual Checks and Maintenance Every 1000 Hours Yearly Checks and MaintenancePREPARATiON for Longabeyance Page Page Page Page Industrial Engines