Robin ECO2 Manual de usuario

ROBIN

AMERICA,

INC.

ROBIN

TO WISCONSIN

ROBIN

ENGINE

MODEL CROSS

REFERENCE

LIST

ROBTN

EY08

EY15

15V

EY20

EY20V

EY23

EY28

EY35

EY40

EY45V

EY2

EY44

EY25

EY27

EY18-3

EH11

EH12

EH15

EH17

EH21

EH25

EH3

EH30V

EH34

EH34V

EH43V

EC13V

DY23

DY27

DY30

DY35

DY41

WISCONSIN

ROBIN

W1-080

W1-145

W1-145V

W1-185

W1-185V

W1-230

Wl-280

W1-340

W1-390

W1-450V

EY2

EY44W

EY25W

EY27W

EY18-3W

WOI-115

wo1-120

WO1-150

WO1-170

wo1-210

WO1-250

-300

WO1-340

WO1-300V

-340V

WO 1-43

TWO CYCLE

WT1-125V

DIESEL

WRD

1-230

WRD

1-270

-1-300

WRD1-350

WRD1-410

CONTENTS

Section

Title

Page

SPECIFICATIONS ........................................... 1

PERFORMANCE ............................................ 2

2.1

Maximum Output

......................................

2.2 . ContinuousRated Output

................................

2.3

Maximum Torque and FuelConsumption Ratio and

Max

.Output

......

FEATURES

...............................................

DISASSEMBLY and REASSEMBLY ...............................

4.1

. Preparationand Suggestions ...............................

4.2

Special

Tools

.........................................

4.3.

DisassemblyProcedures

..................................

4.4

. ReassemblyProcedures

..................................

. BREAKERPOINTADJUSTMENTPROCEDURES

.....................

CARBURETORADJUSTMENT

..................................

. OPERATION

FLOATDIAPHRAGMCARBURETOR

................

TROUBLESHOOTING

........................................

CHECKS and CORRECTIONS

...................................

MAINTENANCEand STORING

...................................

10-

Daily ChecksandMaintenance

.............................

10.2

. Every 50HoursChecksandMaintenance

......................

10.3

. Every 150 HoursChecksandMaintenance

......................

10.4

Yearly ChecksandMaintenance

............................

10.5

. Preparation for LongAbeyance ............................. 19

SPARKPLUG

CARBURETOR

AIRCLEANER

TICKL

STARTERKNOB

(Recoil

Starter)

MUFFLER.COVER

FUEL

TANK

CAP

,FUEL

TANK

FUEL COCK

MUFFLERCOVER

SPEC1

FlCATlONS

-1-

PERFORMANCE

2-1

MAXIMUMOUTPUT

The maximum outputof the EC02-A and ECOZ-R is such standard power as developed by theengine, after itsrun-in period

with all themoving parts properly worn-in, when operating with the fully open throttlevalve. Therefore, it follows thata new

engine may not develop this maximum output in the beginning, because moving parts are not

a properly worn-in condi-

tion.

2-2CONTINUOUSRATEDOUTPUT

The continuous rated output

the EC02-A and EC02-R

such power as developed by the engine when running at

opti-

mum speed most favorable inview

engine

life

and fuel consumption ratio. Therefore,

follows that whendesigning adriv-

ing system

for

any mechanism, with the engine, asa prime mover,the continuous power requirement of that mechanism must

be kept below the continuous rated output specified.

2-3

MAXIMUM

TORQUE

and

FUELCONSUMPTIONRATIO at MAX.OUTPUT

The maximum torque

the EC02-Aand EC02-R

that driving torque

the driving shaft at which the engineis driving an

external load, while the engine

pulling its rnax. output. The fuel consumption ratio at max. output

that fuel consump-

tion ratio

the engine while the engine is running at the max.output.

MODEL ECO2-A

and

ECOP-R PERFORMANCE CURVE

ft-LbS

-2-

FEATURES

COMPACT, LIGHTWEIGHT, HIGH PERFORMANCE and LOW FUEL CONSUMPTION

TROUBLE FREE because of simple design and easy

handle

HIGH DURABILITY engine withstand long severe operation

TILTEDOPERATIONAVAILABLE

able tooperate at any position dueto diaphragm carburetor.

EASY STARTING with recoil starter

ForgedsteelCrankshaft

Ball main bearings at both ends

Forged steel connecting

rod.

With CHROME PLATED CYLINDER, HEATCONDUCTIVITYand WEAR

PROOF

are quite excellent.

-3-

DISASSEMBLY

and

REASSEMBLY

4-1

PREPARATION

and

SUGGESTIONS

1) When disassembling the engine, memorize the locations

individual parts

be able to reassemble them correct-

ly. Tag partsif there

a possibility

confusion.

Prepare several boxes

keep parts belonging to certain groups together.

Group those parts related each other, tentatively assemblingwhere they belong, immediately after removing, in order

to prevent missing and misplacing.

4)Handle the disassembled parts carefully and wash them in kerosene.

Use thecorrecttoolsinthecorrectway.

Standardtoolsrequiredfor disassemblingand reassembling:

a) Work table

b) Washing pan

c) Disassembling tools

d) Washing oil (kerosene orgasoline),

cycle-oil

e) Emery paper, cloth

Beforestarting

disassemble the engine,drainfuel.

Tighten the screws of the cylinder, crankcase, connecting rod, spark plug, and flywheel

the specified torque values.

9) Use new packings and gasketsinreassembly.

10)

Immediately before assembling parts, wash them in fresh gasoline orkerosene and blow them dry.

11) Apply

cycle-oil on rotating andsliding

parts.

12)

Takecarenot

contaminatethepartsbydustduring assembling.

13)

Tighten bolts, nuts and screws with proper torque according

the

their sizes.

small screws are tightened too tight,

they may get broken.

14) After completely assembling the engine; turn it byhand and check if there

any abnormality orloose members.

4-2

SPECIAL

TOOLS

(Fig.

Fig.

-4-

4-3

DISASSEMBLY

PROCEDURES

4-3-1FUELDRAIN

Drain fuel from the fuel tank,

4-3-2 THROTTLE

(See

Fig.

Remove throttle wire from carburetor together with piston

valve.

Fig.

4-3-3 FUEL TANK

and

RUBBER

TUBE

Disconnectfuelpipebetweenfueltankandcarbure-

tor at carburetor side.

Removefueltankbyunscrewingbolts.

Onlyfor

EC02-R

Afterremovingfuelpump,pushthehead of rubber

tube toward arrow mark

Fig.

with ascrewdriver

minus top (preferably not sharpened) and remove

rubber tube.

TION:

NEVERREMOVE RUBBER

TUBE

EXCEPT AT RE-

LACEMENT.

BE SURE

REPLACE

WITH

MEW ONEWHEN

RE-

MOVED.

CAREFUL NOT TO DAMAGE THE HOLE

WHICH

RUBBER TUBE WILLBE IMSERTED.

4-3-4 KILL SWITCH WIRE

Disconnect stop buttonwire terminal.

4-3-5 RECOl L STARTER

Removestarter case fromcrankcasebyunscrewingbolts.

4-3-6 MAGNETO FLYWHEEL

(See

Fig.

After removing nut, pull out flywheel from crankshaft,

Turn

cenler

bolt

clockwiw

FLYWHEEL'

~LYWHEEL

PULLER

*...

Fig.

4-3-7

BREAKER,

C'ONDENSER,

and

COIL

(See

Fig.

Remove breaker cover, condenser, breaker, and ignition coil

from crankcase byunscrewing bolts.

IGNITION

COIL

Fig.

4-3-8 CARBURETOR and CARBURETOR BRACKET

(EC02-A),CARBURETOR and HEAT BLOCK

(EC02-R)

(See

Fig.

Remove carburetorandcarburetorbracketby unscrewing

bolts

(EC02-A),

andremove carburetor and heat blockby

unscrewing bolts

(EC02-R).

HEAT

BLOCK

Fig.

4-3-9

MUFFLER

Remove muffler from cylinder by unscrewing bolts.

4-3-10 CYLINDER (See

Fig.

Removecylinderquietly

asnot

damageslidingsur-

faces of cylinder and

piston.

CRP

Fig.

4-3-11

DIVISION

CRANKCASE

(See

Fig.

After unscrewing bolts, disassemble frontandrearcrank-

cases fromcrankshaftbytappingwith

soft

hammer.

Washing crankcasewith gasoline, applythe film

oil

crankcase ball bearing bore and grease

oil

seal bore,

KCASE

FRONT

C~ANKCASE

CRANKSHAFT

Fig.

REASSEMBLY

PROCEDURES

4-4-

CRANKCASE

(See

Fig.

Insertcrankshaftintofrontcrankcase bearing.

Assemble the crankcase.

Use newgasket.

Tightenbolts to

40-50

kg-cm

(2.9-36

ft-lbs)torque.

Cut

off

crankcasegasketsstuck

out

to the mating sur-

face of cylinder.

CRANKSHAFT

Fig.

-6-

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