Table Of Contents - Daewoo DE12T Manual

Table of Contents

Table Of Contents3
Safety Regulations & Engine Specifications5
General Notes5
Regulations Designed To Prevent Accidents5
During Commissioning, Starting And Operation5
During Maintenance And Care6
When Carrying Out Checking, Setting And Repair Work6
Regulations Designed To Prevent Damage To Engine And Premature Wear7
Regulations Designed To Prevent Pollution7
Engine Oil, Filter Catridge, Fuel Filter7
Coolant7
Notes On Safety In Handling Used Engine Oil8
Health Precautions8
General Repair Instructions9
Engine Specification10
Engine Power11
Performance Curve12
Engine Assembly16
Engine Sectional View (Longitudinal)16
Engine Sectional View (Cross)17
Engine Assembly Views18
Technical Information20
Engine Model And Serial Number20
Engine Type21
Omega Combustion Bowl21
Cylinder Block21
Piston Con-Rod / Crankshaft21
Engine Timing22
Valves22
Lubrication System22
Engine Oil23
Oil Filter24
Engine Oil Capacity24
Fuel System25
Injection Pump26
Fuel Filter26
Fuel Requirements26
How To Select Fuel Oil26
Fuel Oil Selection Chart27
Cooling System28
Coolant Pressure Cap29
Cooling Water29
Amount Of Anti-Freeze In Winter30
Cleaning Of The Cooling Inside System Circuit31
Fan Belt32
V-Belt32
Poly Belt32
Air Cleaner32
Intercooler33
Valve Clearance Adjust Procedure34
Cylinder Compression Pressure35
Injection Nozzle35
Fuel Injection Nozzle36
Battery36
Air Removal Of Fuel System36
Fuel Supply Pump36
Turbocharger37
Starting Motor37
Electrical Equipment38
Starting Of Winter38
Alternator39
Wiring Diagram40
Diagnosis And Remedy41
Engine Starting Impossible41
Engine Overheated42
Output Insufficient43
Oil Pressure Lowered44
Fuel Consumption Excessive45
Oil Consumption Excessive46
Battery Discharge47
Starting Difficult48
Engine Output Insufficient48
Overheating48
Engine Noisy49
Engine Inspection51
Stopping Engine51
General Engine Inspection Cycle51
Disassembly And Reassembly Of Major Components52
General Precautions52
Cooling Fan53
Oil Level Gauge Guide Tube53
Reassembly57
Timing Gear Case Cover58
Idle Gear58
Fuel Injection Pump Drive58
Cylinder Head Cover58
Rocker Arm59
Injection Nozzle And Tube59
Cylinder Head59
Valve And Stem Sea59
Oil Cooler60
Oil Pan60
Oil Pump And Pipe60
Relief Valve60
Piston And Connecting Rod61
Cylinder Liner61
Fly Wheel62
Oil Seal62
Flywheel Housing62
Cam Shaft And Tappet62
Crankshaft Gear And Oil Pump Idle Gear63
Timing Gear Case63
Crank Shaft63
Oil Spray Nozzle64
Inspection And Measurement65
Distortion At The Lower Face65
Low Face Warpage And Height65
Valve And Valve Guide66
Hydraulic Test66
Valve Seat Contacting Faces66
Valve Head Thickness66
Valve Guide67
Valve Stem End Play67
Valve Seat67
Contacting Face Amount67
Valve Spring68
Functional Check68
Rocker Arm Shaft Assembly69
Rocker Arm Shaft Run-Out69
Visual Check69
Tappet And Push Rod70
Visual Check Of Tappet70
Outside Diameter70
Push Rod Run-Out70
Cam Lobe Height71
Cam Surface71
Cam Shaft End Play72
Run-Out72
Defect Check72
Wear72
Crankshaft Run-Ou73
Standard Values of 'R'73
Crank Shaft Bearing And Connection Rod Bearing74
Oil Clearance Between Crankshaft And Bearing74
Main Bearing Clearance74
Connecting Rod Bearing Clearance74
Bearing Spread And Crush75
Crankshaft Bearing Crush75
Connecting Rod Bearing Crush75
Crank Shaft End Play76
Piston76
Piston Rings77
Piston Ring Gap77
Piston Ring Side Clearance77
Piston Ring Tension77
Piston Pin78
Connecting Rod78
Holes Alignment78
Tappet And Cam Shaft80
Crankshaft81
Flywheel84
Magnetic Pick-Up Sensor84
Rocker Arm Assembly91
Injection Pipe100
Commissioning And Operation103
Breaking-In103
Operation Of A New Engine103
Check Points For Break-In103
Preparation103
Operating After Break-In104
Inspections After Starting105
Pressure Of Lubricating Oil105
Temperature Of Cooling Water105
Operation In Winter Time106
Prevention Against The Freeze Of Cooling Water106
Prevention Against Excessive Cooling106
Tuning The Engine106
Maintenance And Care107
Periodical Inspection And Maintenance107
Exchanging Of Lubrication Oil107
Oil Level Gauge107
Oil Exchange Procedure108
Replacement Of Oil Filter Cartridge109
Adjustment Of Valve Clearance110
Method Of Adjusting The Valve Clearance110
Replacement Of Fuel Filter111
Fuel System Checks111
Fuel Contamination And Water Trap112
Priming Pump Strainer Cleaning112
Bleeding The Fuel System112
Injection Nozzle Maintenance113
Maintenance Of Major Components115
Fuel Injection Pump115
General Information Of Fuel System115
Parts No Of Injection System116
Injection Pump Assembly116
Injection Nozzle & Holder Assembly116
Injection Pipe Assembly116
De12T (Ebhea, Ebhla)117
De12Ti (Eciea, Ebieb), De12Tia (Ebied, Ebiee, Ebila)118
Performance Curve Of Governor119
Fuel Feed Pump139
Delivery Test142
Sealing Test142
General Descriptions142
1-Spring Type (De12T)143
2-Spring Type (De12Tis)144
Inspection Of Secondary Opening Pressure151
Adjusting Secondary Opening Pressure152
Adjusting Shim For Secondary Opening Pressure152
Retaining Nut153
Inspection At Completion153
Diagnostics And Troubleshooting154
Engine Won't Start154
Engine Lacks Power154
Engine Knocking154
Engine Output Unstable155
Engine Idling Unstable155
Water Pump157
Construction Of Water Pump157
Thermostat158
Inspecting158
Replacing Thermostat And Precautions For Handling159
Precautions For Handling159
Replacing Thermostat159
Engine Overheating160
Engine Overcooling160
Lack Of Coolant160
Cooling System Noisy160
General Descriptions And Main Data161
Diagram Of Lubricating System161
Oil Pump162
Inspection And Correction162
Measuring Clearance Between Drive Shaft And Bushing163
Oil Pressure Too Low164
Oil Deteriorates Quickly164
Functions167
Turbine167
Compressor167
Bearings167
Precautions For Operation168
Precautions For Operation Of Engine168
When Starting The Engine168
During Operation168
Walk-Around Check And Servicing169
Intake System169
Exhaust System169
Periodical Checking And Servicing170
Guide For Checking The Rotor For Rotating Condition170
Guide For Checking Rotor End Play170
Rotor Radial Play170
Guide For Disassembling/Cleaning And Checking The Turbocharger171
Precautions For Reassembling The Turbocharger Onto The Engine171
Excessive Black Smoke172
Excessive White Smoke172
Low Engine Output172
Air Intake System173
Changing Filter Element173
Cleaning Filter Elements174
Knocking Out Dirt By Hand174
By Washing174
By Compressed Air174
Checking The Air Cleaner Cartridge175
V-Belts176
Change The V-Belts176
Checking Condition176
Testing By Hand176
Measuring Tension177
Reading Of Tension177
Tensioning And Changing V-Belt177
Tensioning Forces On The Tester177
Special Tool List178
Tightening Torque For Major Parts180
Tightening Torque For Injection Pump System180
Standard Bolt Tightening Torque Table181
Degree Of Strength181
Maintenance Specification Table182
Engine Assembly ( De12Tis - Eciea)187