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Kubota W5021-SCC User Manual

Kubota W5021-SCC
162 pages
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CONTENTS
SPECIFICATIONS----------1
DIMENSIONS
13
M.
MECHANISM
1.ENGINE------------
M-1
2. TRANSMISSION
[1] AUTOMATIC
PRESSURE
(EXCEPT
-P,
-PC,
-PCC)
M-5
RELIEVING
MECHANISM .......................
M-l
[1]
POWER
TRAIN
...................................... M·5
[2]
CARBURETOR
........................................ M-3
3. MOWER
BLADE
CLUTCH
[3]
SUB
PTO
SHAFT
(EXCEPT
.p, .T)
---------
M-9
(Except
-P,
-PC,
-PCC)
··
..........······ .. ···· .... ·M-3
G.
GENERAL
DISASSEMB~:
NG
::~~~:~::~::::::i::CE)um.muu.u.~·:!
'=
S.
[1] IDENTIFICATION ······································5-1
,[2]
GENERAL
SAFETy···································
5-1
[3]
GENERAL
PRECAUTION
..........................
5-3
[3] FUEl
SYSTEM
........................................
5-91
[4]
LUBRICANTS
AND FUEL.······ ...... ·············S-3
[5]
TROUBLESHOOTING
································S-5
[6]
SERVICING
SPECIFICATIONS··················S-ll
[7] TIGHTENING
TORQUES
.........................
S-24
(1)
Tightening
Torques
for
Important
(1) Carburetor ........................................
S-93
S-95
Screws, Bolts and Nuts ......................
S-24
[4] IGNITION
SYSTEM
................................
(2)
Tightening
Torques
for
General
Use
Screws, Bolts and Nuts ................
S-24
(1) Spark
PI
ug ......................................... 5-95
[8] MAINTENANCE
CHECK
LIST
.................
S-27
(2)
Ignition
Unit
.....................................
S-95
[9]
CHECK
AND MAINTENANCE ................
S-29
(3) Stop Switch .......................................
S-97
(1) Check Points
of
Each
Use
or
Daily··
..
·.····
..
······............................
S-29
CHECKING
..
···........· ...... ·
..
···....· .... ···
..
· .. · ....
S-99
(2) Check Points
of
First
Month
or
Initial 20 Hours .............................
S-33
(3) Check Points
of
Every 3
Months
[6]
CHARGING
SYSTEM
·····
..
· ...... ···
..
···
..
· ....
S-103
or
50
Hours ........................................
S-35
(4) Check Points
of
Every 6
Months
or
100 Hours ......................................
S-35
DISASSEMBLING
AND
ASSEMBLING
..
·
..
S-105
(5) Check Points
of
Every Year
SERVICING
... ············ ...... ··· .... ············ ......
S-105
or
300 Hours ......................................
S-41
[10]
SPECIAL
TOOLS
··
...... ···· ......
·· ..
·········· .... ·5-43
(EXCEPT
-P,
-PC,
-PCC)
S-111
1.
DISASSEMBLING
AND
ASSEMBLING
.... ···S-47 [2]
TRANSMISSION
...................................
S-113
[2]
ENGINE
BODY
·.·· ...... ··· ....
··
.. ······· ....···....
·S-51
CHECKING
AND
ADJUSTING
····..........
·· ..
·S-51
SERVICING
.............................................
S-115
DISASSEMBLING
AND
ASSEMBLING
....·
..
S-51
(1) External Components .......................
S-51
(2) Cylinder Head and Valves .................
S-59
SERVICING
.............................................
S-125
(3) Camshaft, Piston and Crankshaft ......
S-61
SERVICING
...............................................
S-71
(1) Valves··· .... · .... ···........
··
..........· .... ·
..
· ....
S-71
(2) Cylinder
liner
....................................
S-77
(4) Connecting Rod, Crankshaft and
.:.
Camshaft···········································5-83
~
CHECKING
AND
ADJUSTING
···················S-91
.:.
(1) Governor ...........................................
S-91
~
(2)
ChokeRod·
............ ··········· ... ···· ...... ··.·S·91
DISASSEMBLING
AND
ASSEMBLING
·······S-93
CHECKING
AND
ADJUSTING
···················5-95
[5]
STARTING
SYSTEM
········
..
······················S-99
DISASSEMBLING
AND
ASSEMBLING
··
..
·S-101
SERVICING
............................................. S-l
01
CHECKING
...... · .................. ·
..
·
.. ·· ..
· .......... S-l
03
2.
MOWER
BLADE
CLUTCH
AND
BLADE
- S-105
3.
TRANSMISSION
ENGINE
S-47
[1]
SEPARATING
ENGINE
·······........ · .... ·
..
·· ..
·5-47
[1]
SEPARATING
TRANSMISSION
....····......
S-lll
DISASSEMBLING
AND
ASSEMBLING
·....
S-111
DISASSEMBLING
AND
ASSEMBLING
.... ·S-l13
4.
FRONT
WHEEL
AND
REAR
WHEEL--S-121
DISASSEMBLING
AND
ASSEIVIBLING
··
..
·S-121
5.
HANDLE AND
DISCHARGE
GUARD
--S-129
CHECKING
AND
ADJUSTING
..........
·· ..
···S-129
DISASSEMBLING
AND
ASSEMBLING
.... ·S-129

Table of Contents

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Kubota W5021-SCC Specifications

General IconGeneral
TypeWalk-Behind Mower
Cutting Width21 inches
Fuel Capacity1.3 liters
Deck TypeSteel
Fuel Tank Capacity1.3 liters
Engine Type4-stroke, OHV, single cylinder

Summary

M. MECHANISM

1. ENGINE

S. DISASSEMBLING AND SERVICING

M.1 ENGINE

[2] CARBURETOR

M.1 MOTEUR / MOTOR

[2] VERGASER

M.2 TRANSMISSION

[1] POWER TRAIN

M.2 TRANSMISSION / GETRIEBE

[1] CIRCULATION DE PUISSANCE

M.2 TRANSMISSION

M.2 TRANSMISSION / GETRIEBE

M.3 MOWER BLADE CLUTCH

(EXCEPT -P,-T)

Details on the mower blade clutch mechanism.

M.3 EMBRAYAGE DE LA LAME / MESSERKUPPLUNG

EMBRAYAGE DE LA LAME (SAUF-P,-T)

Details on the blade clutch mechanism.

MESSERKUPPLUNG (AUSSER-P,-T)

Details on the blade clutch mechanism.

M.3 EMBRAYAGE DE LA LAME / MESSERKUPPLUNG UND MESSER

M.4 WIRING DIAGRAM

(-SCE,-TCE)

Wiring diagram for specific models.

S. G GENERAL

[2] GENERAL SAFETY

Important safety precautions before servicing.

S.G GENERAL

[3] GENERAL PRECAUTION

Precautions to follow during operation and maintenance.

Checking Mower Blade

Retightening Blade Mounting Screw

S.G GENERAL

[5] TROUBLESHOOTING

Guides to diagnose and resolve common engine issues.

[5] INCIDENTS DE CONCTIONNEMENT

Troubleshooting guide for engine and mower malfunctions.

S.G ALLGEMEINES

[5] FEHLERSUCHTABELLE

Troubleshooting table for common engine and mower issues.

S.G GENERAL

[6] SERVICING SPECIFICATIONS

TRANSMISSION (EXCEPT -P, -PC. -PCC) (Continued)

Adjusting Throttle Lever

MOWER BLADE CLUTCH AND BLADE

TRANSMISSION (EXCEPT -P, -PC, -PCe)

S.G GENERALITES

CORPS DU MOTEUR

TRANSMISSION (-SCC, -HTC)

EMBRAYAGE DE LA LAME ET LAME

CORPS DU MOTEUR (Suit)

TRANSMISSION (SAUF -P, -PC, -pee)

S.G ALLGEMEINES

MOTORKORPER (Fortgesetzt)

[6] WARTUNGSDATEN MOTORKORPER

GETRIEBE (AUBER -P, -PC, -pcC) (Fortgesetzt)

MESSERKUPPLUNG UNO MESSER

S.G GENERAL

[7] TIGHTENING TORQUES

Torque specifications for important screws, bolts, and nuts.

[9] CHECK AND MAINTENANCE

Daily checks for fuel and oil levels.

Adjusting Mower Blade Clutch Lever (Except -P, -T)

Adjusting the mower blade clutch lever.

[1] SEPARATING ENGINE

Procedure for separating the engine.

Adjusting Drive Clutch Lever (Except -P, -PC, -PCC)

Adjusting the drive clutch lever.

S.G GENERALITES

[7] COUPLES DE SERRAGE

Torque specifications for screws, bolts, and nuts.

S.G ALLGEMEINE5

[7] ANZUGSDREHMOMENTE

Torque specifications for screws, bolts, and nuts.

S.G GENERAL

[8] MAINTENANCE CHECK LIST

Checklist for periodic inspection and maintenance.

S.G GENERALITES

[8] WARTUNGS-CHECKLISTE

Checklist for regular inspection and maintenance.

S.G GENERALITES / ALLGEMEINES

[9] VERIFICATION ET ENTRETIEN

Checks to perform for each use or daily.

Reglage du levier d'embrayage de la lame (Sauf -P,·T)

Adjusting the mower blade clutch lever.

Reglage du levier d'embrayage d'entrainement (Sauf .p, ·pe, ·pee)

Adjusting the drive clutch lever.

S.G GENERALITES / ALLGEMEINES

Reglage du levier d'accelerateur

S.1 MOTEUR / MOTOR

[1] SEPARATION DU MOTEUR

Procedure for separating the engine.

Carburateur et levier du regulateur

Procedure for removing carburetor and governor lever.

Chapeau de bielle

Procedure for removing and installing the connecting rod cap.

(1) Soupapes

Procedure for servicing valves.

Rectification de la soupape et de son siege

Procedure for grinding the valve and its seat.

Jeu de marche entre Ie maneton et la tete de bielle

Measuring side clearance between connecting rod and piston.

[3] SYSTEME D'ALIMENTATION VERIFICATION ET REGLAGE

Checking and adjusting the fuel system.

OEMONTAGE ET REMONTAGE (1) Carburateur

Disassembly and assembly of the carburetor.

[4] SYSTEME D'ALLUMAGE VERIFICATION ET REGLAGE

Checking and adjusting the ignition system.

[5] SYTEME DE DEMARRAGE VERIFICATION

Checking the starting system components.

[1] TRENNEN DES MOTORS

Procedure for separating the engine.

Vergaser und Drehzahlreglerhebel

Procedure for removing carburetor and governor lever.

[3] KRAFTSTOFFSYSTEM OBERPRUFUNG UND EINSTELLUNG

Checking and adjusting the fuel system.

AUSBAU UND EINBAU (1) Vergaser

Disassembly and assembly of the carburetor.

[4] ZONDANLAGE OBERPRUFUNG UND EINSTELLUNG

Checking and adjusting the ignition system.

[5] ANLASSERSYSTEM OBERPRUFUNG

Checking the starting system components.

S.1 ENGINE

Valves

Correcting Cylinder Liner

Correcting Crank Pin

Cam Heights of Intake and Exhaust

Starter Test

Blade and Turbofan

Ignition Unit and Spark Plug

(2) Cylinder Head and Valves

Procedure for removing cylinder head and valves.

Side Clearance of Connecting Rod on Crank Pin

(3) Stop Switch

DISASSEMBLING AND ASSEMBLING Starter

Procedure for disassembling and assembling the starter.

[6] CHARGING SYSTEM CHECKING

Checking the charging system.

S.1 MOTEUR / MOTOR

Rectification du maneton

Hauteurs de cames d'admission et d'echappement

Essai du demarreur

Lame et turbo-ventilateur

Bloc de commande d'allumage et bougie d'allumage

Jeu lateral de bielle

Measuring side clearance of the connecting rod.

(3) Interrupteur d'arret

DEMONTAGE ET REMONTAGE D~marreur

Procedure for disassembling and assembling the starter.

[6] SYSTEME DE CHARGE VERIFICATION

Checking the charging system.

[6] LADESYSTEM OBERPRUFUNG

Checking the charging system.

S.1 ENGINE

[2] ENGINE BODY

Procedures for checking and adjusting the engine body.

Carburetor and Governor lever

Procedure for removing carburetor and governor lever.

Connecting Rod Cap

Procedure for removing and installing the connecting rod cap.

Piston Ring and Piston Pin

Procedure for removing and installing piston rings and pin.

(1) Valves

Procedure for servicing valves.

Correcting Procedure for Valve Seat

Procedure for correcting the valve seat.

Oil Clearance between Crank Pin and Connecting Rod Big End

Measuring oil clearance between crank pin and connecting rod.

[3] FUEL SYSTEM

Checking and adjusting the fuel system.

(1) Carburetor

Procedure for disassembling and assembling the carburetor.

[4] IGNITION SYSTEM

Checking and adjusting the ignition system.

[5] STARTING SYSTEM

Checking the starting system components.

S.1 MOTEUR/MOTOR

[2] CORPS DU MOTEUR VERIFICATION ET REGLAGE

Checking and adjusting the engine body.

[2] MOTORKORPER OBERPRUFUNG UND EINSTELLUNG

Checking and adjusting the engine body.

S.1 MOTEUR/MOTOR

Soupapes

Rectification de chemise de cylindre

(2) Culasse et soupapes

Procedure for removing cylinder head and valves.

S.1 ENGINE

Governor Gear, Oil Splashing Gear and Sub PTO Shaft

Replacing Valve Guide

(2) Cylinder Liner

Clearance between Piston Ring and Ring Groove

Camshaft and Tappet

Piston Ring Gap

S.1 MOTEUR / MOTOR

Pignon du regulateur, pignon it barbotage graisseur et arbre auxiliaire de prise de force

Segments et axe de piston

Procedure for removing and installing piston rings and pin.

Remplacement du guide de soupape

(2) Chemise de cylindre

Jeu de segment dans la gorge du piston

Arbre i cames et poussoir

Vilebrequin et axe du levier de regulateur

Jeu a la coupe des segments de piston

S.1 ENGINE

Piston and Connecting Rod

Procedure for removing and installing piston and connecting rod.

S.1 MOTEUR / MOTOR

Piston et bielle

Procedure for removing and installing piston and connecting rod.

S.2 EMBRAYAGE DE LA LAME ET LAME/MESSERKUPPLUNG UND MESSER

EMBRAYAGE DE LA LAME ET LAME

Disassembly and assembly of blade clutch and blade.

MESSERKUPPLUNG UND MESSER AUSBAU UND EINBAU

Disassembly and assembly of blade clutch and blade.

Antriebsscheibe und Betatigungsglieder A, B

S.3 TRANSMISSION

[1] SEPARATING TRANSMISSION

Procedure for separating the transmission.

Counter Shaft, Final Shaft, Bevel Pinion and Clutch fork

Procedure for removing counter shaft, final shaft, bevel pinion, and clutch fork.

S.3 TRANSMISSION / GETRIEBE

TRANSMISSION (SAUF-P,-PC,-PCC)

Procedure for separating the transmission.

Arbre de renvoi, arbre final, pignon conique et fourchette d'embrayage

Procedure for removing shafts, pinion, and clutch fork.

GETRIEBE (AUSSER-P,-PC,-PCC)

Procedure for separating the transmission.

Vorgelegewelle, Endwelle, Kegelritzel und Kupplungsgabel

S.3 TRANSMISSION

S.3 TRANSMISSION / GETRIEBE

[2] TRANSMISSION

Procedure for disassembling and assembling the transmission.

S.4 FRONT WHEEL AND REAR WHEEL

Front Wheel (except -pee, -sec, -HTe)

Rear Wheel (-P, -PC)

Rear Wheel (-SeC, -HTe)

Front Wheel (-pee, -sec, -HTe)

Rear Wheel (-SeC, -HTe, -T, -Te, -TeE)

S.4 ROUE AVANT ET ROUE ARRIERE / VORDERRAD UND HINTERRAD

ROUE AVANT ET ROUE ARRIERE DEMONTAGE ET REMONTAGE

VORDERRAD UND HINTERRAD AUSBAU UND EINBAU

S.4 ROUE AVANT ET ROUE ARRIERE/VOROERRAO UNO HINTERRAD

Roue arriere (-P, -PC)

Roue arriere (-Sec, -HTC)

Roue arriere (-se, -SeE, -T, -Te, -TeE)

S.5 HANDLE AND DISCHARGE GUARD

DISASSEMBLING AND ASSEMBLING

S.5 POIGNEE ET GARDE D'EJECTION

OEMONTAGE ET REMONTAGE

AUSBAU UNO EINBAU

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