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Table Of Contents - Kubota D1102-B Workshop Manual

Table Of Contents

Table of Contents

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Table of Contents

Table Of Contents3

Specifications And Performance Curves4

General Description14

Cylinder Block17

Cylinder Head17

Piston And Piston Rings18

Inlet And Exhaust Valves18

Lubrication System19

Cooling System19

Fuel Filter (Optional Part)20

Fuel Injection Pump21

Quantity Control Of Fuel Injection22

Injection Nozzle24

Electrical System25

Cranking System25

When Key Switch Is On26

When Contact Plate Is Closed26

When Key Switch Is Released26

Charging System27

Engine Information29

Engine Troubleshooting30

Engine Does Not Start30

Engine Does Not Turn Normally32

Color Of Exhaust Fumes Not Normal34

Excessive Lubricant Consumption34

Engine Disassembly Chart36

Engine Disassembly And Reassembly Procedure38

Removing Cylinder Head Cover38

Removing Alternator And Fan Belt38

Removing Rocker Arm And Push Rod38

Disassembling Valve39

Removing Cylinder Head39

Removing Starter40

Removing Nozzle Holder, Injection Pipe, Inlet Manifold40

Disassembling Nozzle Holder40

Removing Injection Pump Cover41

Removing Injection Pump41

Detaching Governor Spring42

Removing Speed Control Plate42

Detaching Start Spring43

Removing Fan Drive Pulley43

Removing Gear Case Assembly44

Removing Crankshaft Collar And Oil Slinger44

Removing Idle Gear And Camshaft45

Removing Fuel Camshaft And Fork Lever Holder45

Removing Crank Gear46

Removing Oil Pump46

Removing Thermostat46

Removing Water Pump47

Disassembling The Water Pump47

Removing Water Pump Shaft And Bearing Assembly47

Removing Seal Set48

Removing Oil Pan, Oil Filter48

Removing Connecting Rod48

Removing Piston49

Removing Piston Ring49

Removing Flywheel50

Removing Bearing Case Bolt 250

Removing Bearing Cover50

Removing Crankshaft51

Removing Bearing Case51

Cylinder Head Servicing52

Checking Compression Pressure52

Checking Distortion Of Cylinder Head Surface53

Checking Flaw Of Cylinder Head Surface53

Checking And Refining Valve Seat Width54

Checking Valve Recessing54

Checking Stem Guide Clearance54

Checking Free Length Of Valve Spring55

Checking Valve Spring Squareness55

Checking Valve Spring Tension55

Checking Oil Clearance Between Rocker Arm Shaft And Bushing56

Checking Oil Clearance Between Rocker Arm Shaft And Rocker Arm56

Checking Top Clearance56

Adjusting Valve Clearance58

Adjustment Of Compression Release58

Fuel System Servicing59

Cleaning Air Cleaner Element59

Testing Opening Pressure Of Nozzle59

Checking Fuel Tightness Of Nozzle Valve Seat60

Checking Shape Of Fume Across Nozzle Tip60

Checking Fuel-Tightness Of Fuel Injection Pump Plunger61

Checking Fuel-Tightness Of Delivery Valve Of Fuel Injection Pump61

Checking And Adjusting Injection Timing62

Replacing Fuel Filter62

Timing Gear, Camshaft Servicing63

Checking Oil Clearance Of Camshaft63

Checking Camshaft Alignment63

Checking Cam Heights Of Intake And Exhaust63

Checking Gear Backlash64

Testing Oil Pressure64

Oil Pump (Rotor Type) - Checking Rotor Lobe Clearance64

Checking Radial Clearance Between Oil Pump Outer Rotor And Body65

Checking End Clearance Between Rotor And Cover65

Checking And Replacing Oil Filter65

Piston, Connecting Rod Servicing66

Checking Inside Diameter Of Piston Bosses66

Checking Clearance Between Piston Pin And Rod Small-End Bushing66

Checking Piston Ring Gap66

Crankshaft Servicing67

Checking Side Clearance Of Ring In Groove67

Checking Connecting Rod Alignment67

Checking Crankshaft Alignment67

Check Oil Clearance Between Crankshaft Journal And Crankshaft Bearing68

Checking Oil Clearance Between Crank Pins And Crank Pin Bearings70

Checking End Play Of Crankshaft71

Crankshaft Sleeve Wear72

Replacing Crankshaft Sleeve72

Cylinder Liner Servicing73

Checking Wear Of Cylinder Liner73

Cooling System Servicing74

Testing Water Tightness Of Radiator74

Testing Opening Pressure Of Radiator Cap74

Testing Operating Temperature Of Thermostat74

Electrical System Information75

Electrical System Troubleshooting76

Battery Discharges Quickly76

Starter Does Not Drive Engine Properly79

Glow Plug Indicator Does Not Turn Red Properly79

Alternator And Regulator Checks82

Checking Output Current82

Checking Coupler Voltage82

No- Load Testing Of Alternator83

Checking Rotor Coil, Slip Ring And Brush83

Checking Cut-In-Voltage83

Checking No-Load Regulating Voltage84

Regulator - Checking Test Terminals Ig-F84

Checking Test Terminals L-E/N-E/B-E/B-L85

Electrical System Disassembly And Reassembly86

Removing Pulley86

Removing Drive Side End Frame86

Removing Rotor86

Electrical System Servicing87

Removing Rectifier87

Checking And Refining Slip Ring87

Checking Rotor Coil Resistance88

Grounding Of Rotor Coil88

Checking Brush Wear88

Checking Startor Coil Breakage89

Grounding Of Stator Coil89

Checking Positive Diodes89

Checking Negative Diodes90

Checking Conduction Across N Terminal And Coil Connecting Terminal90

Starter And Glow Plug Checks91

No-Load Testing Of Starter91

Magnet Switch92

Holding Coil (Retention Test)93

Checking Glow Plug93

Magnet Switch Type Starter Disassembly And Assembly94

Removing Magnet Switch94

Removing Armature Brake/Removing End Frame94

Removing Brush Holder94

Removing Voke95

Removing Armature95

Reduction Type Starter Disassembly96

Staining Or Burning Of Commutator98

Checking Commutator Wear98

Checking Mica (Undercut)98

Grounding Of Armature Coil99

Checking Armature Flexure99

Checking Armature Coil Short-Circuited99

Checking Field Coil Breakage99

Grounding Of Field Coil100

Checking Brush Spring Tension100

Grounding Of Brush Holder101

Checking Clutch101

Checking And Adjusting Pinion Gap (Magnet Switch Type)101

Checking Gap Between Shaft And Bush (Magnet Switch Type)102

Checking Bearing (Reduction Type)102

Service Directions104

Bolt Torques108

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D1402-B
V1502-B
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V1902-B

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Troubleshooting

This manual is also suitable for:

D1302-b D1402-b V1502-b V1702-b V1902-b