Toyota 4Y 2006 User manual

This repairmanualexplainsthe repairpointsof the4Y modelengine equippedon the

Toyota Forklift Trucks.

Pleasemake good use of this manualfor your technical service.

This repair manual contains the latest information available as of August

2006.

For

any changes thereafter, Toyota reserves the right to make such changes in

specifications and descriptionswithout incurring any obligation andwithout previous

notice.

TOYOTA MaterialHandlingCompany

Division

TOYOTA

INDXTRIES

CORPORATION

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SECTION INDEX

NAME

SECTION

GENERAL0

TROUBLESHOOTING

ENGINE OVERHAUL (4Y-M)

ENGINE OVERHAUL (4Y-E)

FUEL SYSTEM (4Y-M)

FUEL SYSTEM (4Y-E)

PCV DEVICE

COOLING

LUBRICATIONSYSTEM

IGNITION SYSTEM (4Y-M)

IGNITION SYSTEM (4Y-E)

STARTING SYSTEM

CHARGING SYSTEM

APPENDIX

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GENERAL

SPECIFICATIONS

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

0-2

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

ENGINE EXTERIORVIEW 0-3

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

ENGINE SECTIONALVIEW 0-5

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

HOW TO USE THIS MANUAL 0-7

EXPLANATION METHOD

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

0-7

TERMINOLOGY

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

0-8

ABBREVIATIONS

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

0-9

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

OPERATINGTIPS 0-10

POINTS FOR WHICH SPECIAL CARE

MUST BE TAKEN

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

0-10

GENERAL INSTRUCTIONS

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

0-10

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

ELECTRICAL PARTS INSPECTION

0-13

..........

BOLT

NUT TIGHTENING TORQUES 0-15

BOLT STRENGTH CLASS IDENTIFICATION

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

METHODAND TIGHTENINGTORQUE

0-15

PRECOATED BOLTS (BOLTS WITH SEAL

....

LOCKAGENT COATING ON THREADS) 0-18

SI UNITS

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

0-18

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

HANDLING FlPG (LIQUID GASKETS) 0-19

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SPECIFICATIONS

Engine model*

Type

Gasoline

Number and arrangement of cylinders

Cycle

lnline4 cylinder,

longitudinally mounted

Ignition order

Combustion chambertype

Wedge type

Start up method

Valve mechanism

OHV chain drive

Self starting type

Total displacement cc (cu-in)

Borex stroke mm (in.)

Compression ratio

Compression pressure kPa (kgf/cm2)[psi]/rpm

91.0

86.0 (3.58

3.39)

Minimum fuel consumption when fully loaded g1PS.h (rpm)

Engine dimensions (length

width

height)

8.8

1226 (12.5) [I7811250

Referto repair manualfor

each vehicle model

No-load maximumspeed

rpm

Idlespeed

rpm

Weight kg (Ib)

Referto repair manual for

each vehicle model

Referto repair manual for

each vehicle model

mm (in.)

709x525~733

(27.9

20.7

28.9)

Numberof piston rings

Valve clearance

709x 513x 733

(27.9

20.2

28.9)

Intakevalve open/close interval

Exhaustvalve openlclose interval

Compression rings

Oil ring

Open

mm (in.)

Inthis manualthe enginewith mechanicalfuel injectionfitted

referredto

4Y-M,

while the one with electronic

fuel injectionfitted is referredto as

4Y-E.

Blow-by gas reductortype

BTDC 12"

ABDC 40"

BBDC 54"

ATDC 6"

Intake

Exhaust

Closed type

0 (Automatic adjusting type)

0 (Automatic adjustingtype)

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ENGINE EXTERIOR VIEW

4Y-M

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4Y-E

(OPT)

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ENGINE SECTIONAL

VIEW

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This manual suits for next models

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