Kubota W5021-SCE User Manual

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

Kubota W5021-SCE Specifications

General

Brand	Kubota
Model	W5021-SCE
Category	Lawn Mower
Language	English

Summary

M. MECHANISM

S. DISASSEMBLING AND SERVICING

Procedures for general disassembly, engine, transmission, and wheels.

M. MECANISME

S. DEMONTAGE ET ENTRETIEN

Generalities, engine, transmission, wheels, and handles maintenance.

M. MECHANISMUS

S. AUSBAU UND WARTUNG

General maintenance, engine, transmission, and wheel procedures.

SPECIFICATIONS

[Engine]

Technical specifications for the engine model, including bore, horsepower, torque.

[Walk Behind Mower]

Specifications for walk-behind mower, cutting width, dimensions, weight.

1 ENGINE

[1] AUTOMATIC PRESSURE RELIEVING MECHANISM

Automatic pressure relieving mechanism for engine starting.

M.1 ENGINE

[2] CARBURETOR

Carburetor operation and fuel level check.

M.3 MOWER BLADE CLUTCH

M.4 WIRING DIAGRAM

DIAGRAMME DES CABLAGES (-SCE,-TCE)

Wiring diagram for specific models (-SCE, -TCE).

SCHALTPLAN (-SCE,-TCE)

Schaltplan für bestimmte Modelle (-SCE, -TCE).

G GENERAL

[2] GENERAL SAFETY

Safety precautions before servicing the mower.

S.G GENERAL

[5] TROUBLESHOOTING

Troubleshooting guide for common engine and mower issues.

[6] SERVICING SPECIFICATIONS

Engine body servicing specifications, including valve clearance and piston dimensions.

[7] TIGHTENING TORQUES

Tightening torques for important engine and blade hardware.

[8] MAINTENANCE CHECK LIST

Maintenance check list for daily, monthly, and annual service.

[9] CHECK AND MAINTENANCE

Daily checks for fuel and oil levels.

Checking Mower Blade

Procedures for checking, sharpening, or replacing the mower blade.

Cleaning Fuel Filter

Cleaning the fuel filter.

Adjusting Throttle Lever

Adjusting the throttle lever for high speed and stop positions.

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

Adjusting the mower blade clutch lever travel and free play.

Cleaning Fuel Tank

Cleaning the fuel tank.

[4] LUBRICANTS AND FUEL

Recommended lubricants and fuel types and capacities.

Changing Engine Oil

Steps for changing the engine oil.

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

Adjusting the drive clutch lever travel and free play.

Replacing Fuel Pipe

Replacing the fuel pipe and clamps.

S.G GENERALITES

CARACTERISTIQUES DETAILLEES ET REGLAGES

Spécifications détaillées et réglages du corps du moteur (soupapes, piston).

S.G ALLGEMEINES

[6] WARTUNGSDATEN

Wartungsdaten für den Motorkörper, einschließlich Ventilschaft und Kolben.

5.1 ENGINE

[1] SEPARATING ENGINE

Procedures for separating the engine.

Carburetor and Governor lever

Carburetor and governor lever disassembly and assembly.

Soupapes

Valve removal and installation procedures.

Connecting Rod Cap

Removing and installing the connecting rod cap.

Piston and Connecting Rod

Piston and connecting rod assembly and installation.

Piston Ring and Piston Pin

Installing piston rings and piston pin.

(1) Valves

Procedures for valve removal, installation, and clearance check.

Replacing Valve Guide

Procedures for replacing valve guides.

correcting Procedure for Valve Seat

Procedures for correcting the valve seat.

(2) Cylinder Liner

Measuring and correcting cylinder liner dimensions.

Clearance between Piston Ring and Ring Groove

Correcting Crank Pin

Carburetor

Coil Test (Simplified Test with Ohmmeter)

Starting Switch

Starter Test

Draining Engine oil

Procedure for draining engine oil.

Ignition Unit and Spark Plug

Removing ignition unit and spark plug.

Correcting Cylinder Liner

Piston Ring Gap

Float Chamber, Main Jet and Main Nozzle

Separating Engine

Procedure for separating the engine.

Ring, Float and Needle Valve

CHECKING

5.2 MOWER BLADE CLUTCH AND BLADE

Clearance between Blade and Cutter Housing

5.5 HANDLE AND DISCHARGE GUARD

CHECKING AND ADJUSTING

Checking and adjusting throttle lever, blade clutch, and drive clutch levers.

DISASSEMBLING AND ASSEMBLING

Throttle Cable, Mower Blade Clutch Cable and Drive Clutch Cable

5.5 POIGNEE ET GARDE D'EJECTION

VERIFICATION ET REGLAGE

Reglage du levier d'accelerateur

Reglage du levier d'embrayage de la lame

Reglage du levier d'embrayage d'entrainement (Sauf -Po -PC, -PCe)

DEMONTAGE ET REMONTAGE

Cable d'accelerateur, câble d'embrayage de la lame et câble d'embrayage d'entrainement

OBERPRUFUNG UND EINSTELLUNG

Einstellen des Drosselklappenhebels

Einstellen des Messerkupplungshebels

Einstellen des Antriebskupplungshebels (Außer -P, -PC, ·PCC)

AUSBAU UND EINBAU

Drosselklappenseilzug, Messerkupplungsseilzug und Antriebskupplungsseilzug