Subaru Robin Power Products EY15V, EY20V manual 3HOW to Disassemble, Order

Page 18

5-3HOW TO DISASSEMBLE

 

 

 

*Length of the bolt indicates the lengthfrom the bolt head bottom surfaceto the threaded end.

 

Order

 

Item

 

 

Procedures

 

Remarks

Tool

/"-.

1

Recoil starter

(1)

Removetherecoilstarter.

 

 

10 mm box spanner

 

 

 

 

 

64 x 8 mm bolt: 4 pcs.

 

 

 

 

2

FueI tank

(1)

Close the fuel cock.

 

 

10 mm box spanner

 

 

 

 

(2) From the carburetor disconnect the fuel

 

10 mm box spanner

 

 

 

 

 

pipe between the fuel strainer and carbu-

 

 

 

 

 

 

 

retor on the sideof the carburetor.

 

 

 

 

 

 

(3) Remove the tank band and fuel tank from

 

 

 

 

 

 

 

the fuel tank bracket.

 

 

 

 

 

 

 

 

6@x 12 mm bolt: 2 pcs.

 

 

 

 

 

~

~~

~~

 

 

 

 

 

 

 

3

Muffler and

(1) Remove the muffler and muffler cover from

Note that the EY20V

12mmboxspanner

 

 

muffler cover

 

the cylinder portionof the crankcase.

has 2 sheets of gasket

or 12 mm spanner

 

 

 

 

 

8@x 100 mm bolt:

2 pcs. (EY 15V)

and 1 sheet of flange

 

 

 

 

 

 

8@x 106 mm bolt:

2 pcs.(EY2OV)

between the muffler

 

 

 

 

 

 

 

 

 

 

and cylinder.

 

 

 

 

 

 

~~~

~~

~

~

 

 

 

4

Air cleaner

(1) Remove the air cleaner cover and element.

Air cleaner is fastened

10 mm box spanner

 

 

 

 

( 2 ) Loosen the intake manifold mounting nut.

together with the car-

 

 

 

 

 

 

69 nut: 2 pcs.

 

 

buretor.

 

 

 

 

 

(3) Remove the air cleaner case from the car-

 

 

 

 

 

 

 

buretor and fuel tank bracket.

 

 

 

 

 

 

 

6 9 n u t : 2 pcs. 6$ x 14 mm bolt: 1 pce.

 

 

 

 

 

 

(4)

Disconnectthebreatherpipe.

 

 

 

 

 

Governor lever

(1) Remove the choke

lever from the fuel tank

Special bolt

14 mm box spanner

 

 

and the relative

 

bracket and remove the choke rod from

 

or 14 mm spanner

 

 

parts

 

 

the carburetor,

 

 

 

 

 

 

 

 

 

Specialbolt:

1 pce.

 

 

Just loosen the bolt,

10 mm box spanner

 

 

 

 

(2) Remove the governor lever from the

 

 

 

 

 

governor lever shaft.

 

unnecessary to the

 

 

 

 

 

 

64 x 2 5 mmbolt:1pce.

 

 

 

 

 

 

 

(3) Remove the governor rod and rod spring

 

 

 

 

 

 

 

from the carburetor.

 

 

 

 

 

 

 

(4) Remove the governor spring from the

 

 

 

 

 

 

 

speed control lever.

 

 

 

 

 

Carburetor

(1) Remove the carburetor from the intake

 

 

 

 

 

 

 

manifold.

 

 

 

 

 

 

 

 

 

~

~~

 

 

 

 

 

 

7

Intake manifold

(1) Remove the intake manifold from the

 

10 mm box spanner

 

 

 

 

 

cylinder portion of the crankcase.

 

 

 

 

 

 

 

6q5 nut: 2 pcs.

 

 

 

 

 

8

Fuel

tank

(1) Remove the fuel tank bracket from the

 

10 mrn box spanner

 

 

bracket

 

crankcase.

 

 

 

 

 

 

 

 

 

 

64 x 14 mm self-tapping bolt: 2 pcs.

 

 

 

 

 

 

 

64 x 10 mmbolt:2pcs.

 

 

 

 

 

 

 

 

\ Rod Spring \

Choke Rod

SpeedControl Lever

 

 

 

 

 

 

 

 

 

 

Fuel Tank Bracket

 

 

Governor Lever / Governor Shaft

"--Lock Bolt

Fig. 75

- 14-

Image 18
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 MOW to Reassemble Precaution in reassembling~Sequesnceand precautionsin reassembling 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 StarterMagneto BreakerpointadjustmentTo 6-3TIMING Adjustment MagnetoTiming Adjustment See Figs ,43 Solidstate Ignition MagnetotroubleshootingSpark Testing 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 System11-3ENGINE Stops 11- 1-3ELECTRICAL System11-2ENGINGEMIFIRES 11- 4 Engine OverheatsEngineknocks Enginebackfires through CarburetorVENT1LATION InstallationPower Transmission to Drivenmachines Exhaust GasdischargeWiring Breaker Point Ignition TypeSolid State Ignition Type Checks and Corrections Table of Correctionstandards 1.o 10*0.02 #20 220 15-3EVERY 50 Hours IO Dayschecks and Maintenance Daily Checks and MaintenanceEvery 20 Hours Checks 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