For Yanmar 3TNV88C, 3TNV86CT, 4TNV88C, 4TNV86CT, 4TNV98C, 4TNV98CT Engine, this reference brings together the listed engine manual material. Start with YANMAR Warranties and follow the relevant document section for the task.
What’s Covered Inside
Introduction …………………………………………………………………………….. 1-1
YANMAR Warranties………………………………………………………………… 2-1
Safety………………………………………………………………………………………. 3-1
General Service Information …………………………………………………….. 4-1
Periodic Maintenance ………………………………………………………………. 5-1
Engine …………………………………………………………………………………….. 6-1
Fuel System …………………………………………………………………………….. 7-1
Cooling System ……………………………………………………………………….. 8-1
Lubrication System………………………………………………………………….. 9-1
Turbocharger…………………………………………………………………………. 10-1
Starter Motor………………………………………………………………………….. 11-1
Alternator ………………………………………………………………………………. 12-1
Electronic Control System ……………………………………………………… 13-1
Electric Wiring ……………………………………………………………………….. 14-1
Failure Diagnosis …………………………………………………………………… 15-1
certified by the U.S. EPA, California ARB and/or the 97/68/EC Directive for industrial use.
Please use this manual for accurate, quick and safe servicing of the engine. Since the directions in this manual are for a typical engine, some specifications and components may be different from your engine. Refer to the documentation supplied by the optional equipment manufacturer for specific service instructions.
Match the 3TNV88C, 3TNV86CT, 4TNV88C, 4TNV86CT, 4TNV98C, 4TNV98CT application and the individual document details before using this engine manual. Refer to YANMAR Warranties within its stated document and equipment scope.








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