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Publication No. CTM12 (16MAY90)
Models Covers:
Yanmar 3TG66, 3TG72 Gasoline Engines Technical
Manual Covers:
Group 05— . . . . . . . . . . . . . . . . . . . . . . . . . .
About This Manual . . . . . . . . . . . . . . . . . . . 05-2
Engine Serial Number Plate . . . . . . . . . . . . . 05-3
Engine Application Chart . . . . . . . . . . . . . . . 05-3
Engine Torque Specifications . . . . . . . . . . . . 05-4
Metric Torque Specifications . . . . . . . . . . . . 05-5
Group 06—Repair Specifications
Engine
3TG72 . . . . . . . . . . . . . . . . . . . . . . . . . 06-1
3TG66 . . . . . . . . . . . . . . . . . . . . . . . . . 06-6
Group 10—Valve Train and Camshaft
Service Equipment and Tools . . . . . . . . . . . . 10-1
Other Materials . . . . . . . . . . . . . . . . . . . . . 10-1
Service Part Kits . . . . . . . . . . . . . . . . . . . . 10-2
Rocker Arm
Remove and Disassemble Cover . . . . . . . . 10-2
Measure and Adjust Valve Clearance . . . . . 10-3
Remove and Disassemble Assembly . . . . . 10-4
Remove and Inspect Pushrods and
Cam Followers . . . . . . . . . . . . . . . . . . 10-7
Install Pushrods and Cam Followers . . . . . . 10-9
Assemble and Install Assembly . . . . . . . . 10-10
Assemble and Install Cover . . . . . . . . . . 10-11
Camshaft
Remove . . . . . . . . . . . . . . . . . . . . . . . 10-12
Disassemble and Inspect . . . . . . . . . . . . 10-14
Assemble . . . . . . . . . . . . . . . . . . . . . . 10-18
Install . . . . . . . . . . . . . . . . . . . . . . . . . 10-18
Group 15—Cylinder Head, Valves, and Manifolds
Essential Tools . . . . . . . . . . . . . . . . . . . . . 15-1
Service Equipment and Tools . . . . . . . . . . . . 15-1
Service Part Kits . . . . . . . . . . . . . . . . . . . . 15-1
Exhaust Manifold
Remove, Repair, and Install . . . . . . . . . . . 15-2
Intake Manifold
Remove, Repair, and Install . . . . . . . . . . . 15-3
Cylinder
Remove . . . . . . . . . . . . . . . . . . . . . . . . 15-4
Disassemble . . . . . . . . . . . . . . . . . . . . . 15-5
Assemble . . . . . . . . . . . . . . . . . . . . . . 15-10
Install . . . . . . . . . . . . . . . . . . . . . . . . . 15-13
Group 20—Flywheel
Service Equipment and Tools . . . . . . . . . . . . 20-1
Flywheel Housing and Flywheel
Remove . . . . . . . . . . . . . . . . . . . . . . . . 20-1
Inspect . . . . . . . . . . . . . . . . . . . . . . . . . 20-3
Install . . . . . . . . . . . . . . . . . . . . . . . . . . 20-3
Group 25—Connecting Rods and Pistons
Service Equipment and Tools . . . . . . . . . . . . 25-1
Other Materials . . . . . . . . . . . . . . . . . . . . . 25-1
Service Part Kits . . . . . . . . . . . . . . . . . . . . 25-1
Connecting Rod
Measure Side Play . . . . . . . . . . . . . . . . . 25-2
Measure Bearing Clearance . . . . . . . . . . . 25-2
Pistons and Connecting Rods
Remove . . . . . . . . . . . . . . . . . . . . . . . . 25-4
Inspect . . . . . . . . . . . . . . . . . . . . . . . . . 25-6
Deglaze Cylinder Bores . . . . . . . . . . . . . 25-13
Assemble . . . . . . . . . . . . . . . . . . . . . . 25-14
Install . . . . . . . . . . . . . . . . . . . . . . . . . 25-16
Group 30—Crankshaft and Main Bearings
Service Equipment and Tools . . . . . . . . . . . . 30-1
Service Part Kits . . . . . . . . . . . . . . . . . . . . 30-1
Other Materials . . . . . . . . . . . . . . . . . . . . . 30-1
Measure Crankshaft End Play . . . . . . . . . . . 30-2
Measure Crankshaft Bearing Clearance . . . . . 30-2
Crankshaft Oil Seal
Remove . . . . . . . . . . . . . . . . . . . . . . . . 30-5
Install . . . . . . . . . . . . . . . . . . . . . . . . . . 30-6
Crankshaft
Remove . . . . . . . . . . . . . . . . . . . . . . . . 30-7
Disassemble and Inspect . . . . . . . . . . . . . 30-9
Crankshaft—Continued
Assemble . . . . . . . . . . . . . . . . . . . . . . 30-12
Install . . . . . . . . . . . . . . . . . . . . . . . . . 30-12
Group 35—Gear Housing
Service Equipment and Tools . . . . . . . . . . . . 35-1
Other Materials . . . . . . . . . . . . . . . . . . . . . 35-1
Timing Gear Cover
Remove . . . . . . . . . . . . . . . . . . . . . . . . 35-2
Install . . . . . . . . . . . . . . . . . . . . . . . . . . 35-3
Timing Gears
Remove and Inspect . . . . . . . . . . . . . . . . 35-4
Install Timing Gears . . . . . . . . . . . . . . . . . . 35-5
Gear Housing
Remove . . . . . . . . . . . . . . . . . . . . . . . . 35-6
Install . . . . . . . . . . . . . . . . . . . . . . . . . . 35-7
Group 40—Lubrication System
Service Equipment and Tools . . . . . . . . . . . . 40-1
Other Materials . . . . . . . . . . . . . . . . . . . . . 40-1
Oil Pump
Remove and Inspect . . . . . . . . . . . . . . . . 40-2
Assemble and Install . . . . . . . . . . . . . . . . 40-3
Oil Pressure Regulating Valve
Remove and Install . . . . . . . . . . . . . . . . . 40-4
Adjust . . . . . . . . . . . . . . . . . . . . . . . . . . 40-5
Group 45—Cooling System
Essential Tools . . . . . . . . . . . . . . . . . . . . . 45-1
Service Equipment and Tools . . . . . . . . . . . . 45-1
Thermostat
Service . . . . . . . . . . . . . . . . . . . . . . . . . 45-2
Water Pump
Remove . . . . . . . . . . . . . . . . . . . . . . . . 45-3
Disassemble . . . . . . . . . . . . . . . . . . . . . 45-3
Assemble . . . . . . . . . . . . . . . . . . . . . . . 45-6
Install . . . . . . . . . . . . . . . . . . . . . . . . . . 45-8
Group 50—Carburetor
Carburetor
Remove and Install . . . . . . . . . . . . . . . . . 50-1
Clean . . . . . . . . . . . . . . . . . . . . . . . . . . 50-4
Assemble . . . . . . . . . . . . . . . . . . . . . . . 50-5
Group 55—Governor
Service Equipment and Tools . . . . . . . . . . . . 55-1
Governor
Remove and Inspect . . . . . . . . . . . . . . . . 55-1
Assemble and Install . . . . . . . . . . . . . . . . 55-5
Group 60—Starter
Service Equipment and Tools . . . . . . . . . . . . 60-1
Starter Specifications . . . . . . . . . . . . . . . . . 60-1
Starter Application Chart . . . . . . . . . . . . . . . 60-1
Bench Test Starter . . . . . . . . . . . . . . . . . . . 60-2
Starter Hitachi 0.8 kW
Disassemble and Service . . . . . . . . . . . . . 60-3
Assemble . . . . . . . . . . . . . . . . . . . . . . . 60-7
Nippon Denso 1.0 kW Starter
Disassemble and Service . . . . . . . . . . . . . 60-8
Assemble . . . . . . . . . . . . . . . . . . . . . . 60-15
Group 65—Alternator
Service Equipment and Tools . . . . . . . . . . . . 65-1
Alternator Specifications . . . . . . . . . . . . . . . 65-1
Service 20 A Kokosan Alternator . . . . . . . . . 65-1
Nippon Denso Alternator
Replace Voltage Regulator . . . . . . . . . . . . 65-4
Disassemble . . . . . . . . . . . . . . . . . . . . . 65-6
Test Rotor . . . . . . . . . . . . . . . . . . . . . . . 65-7
Test Stator and Rectifier . . . . . . . . . . . . . 65-9
Assemble . . . . . . . . . . . . . . . . . . . . . . 65-12
Group 70—Ignition System
Service Ignition Coils . . . . . . . . . . . . . . . . . 70-1
Service Ignition Pulsers . . . . . . . . . . . . . . . . 70-2
And More………
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File Format: PDF
Compatible: All Versions of Windows & Mac ,Android
Language: English
Total Pages: 172
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