Komatsu TNV Series Diesel Engine Service Manual

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SHOP MANUAL WEBMTNV000 3D82AE SERIES 3D84E SERIES 3D88E SERIES 4D88E SERIES 4D98E SERIES 4D106 SERIES S4D84E SERIES S4D98E SERIES S4D106 SERIES DIESEL ENGINE

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SHOP MANUAL WEBMTNV000 APPLICABLE MACHINE MODEL ENGINE MODEL YANMAR DESCRIPTION KOMATSU DESCRIPTION PC27R-8 3TNV82A-M5FA 3D82AE-5MFA PC35R-8 3TNV88-N5FA 3D88E-5NFA PC45R-8 4TNV88-N5FA 4D88E-5NFA PC75R-2 4TNV98-X2FB 4D98E-2XFB PW75R-2 4TNV98-X2FB 4D98E-2XFB PC95R-2 4TNV106-S2FB 4D106-2SFB PW95R-2 4TNV106-S2FB 4D1062SFB PC110R-1 4TNV106T-W2FB S4D106-2WFB PW110R-1 4TNV106T-W2FB S4D106-2WFB SK510-5 3TNV84-K5FD 3D84E-5KFD SK714-5 4TNV88-K5FD 4D88E-5KFD SK815-5 4TNV88-K5FD 4D88E-5KFD SK815-5 turbo 4TNV84T-K5FD S4D84E-5KFD SK818-5 4TNV88-K5FD 4D88E-5KFD SK820-5 turbo 4TNV84T-K5FD S4D84E-5KFD SK1020-5 4TNV98-N2FE 4D98E-2NFE SK1020-5 turbo 4TNV98T-N2FE S4D98E-2NFE SK1026-5 turbo 4TNV98T-N2FE S4D98E-2NFE WB70A-1 4TNV98-N2FA 4D98E-2NFA WB98A-2 4TNV106T-S2FC S4D106-2SFC WB91R-2 4TNV106-S2FA 4D106-2SFA WB93R-2 4TNV106T-S2FA S4D106-2SFA WB97R-2 4TNV106T-S2FA S4D106-2SFA WB97S-2 4TNV106T-S2FA S4D106-2SFA WB150AWS-2 4TNV106T-S2FA S4D106-2SFA

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PREFACE This manual describes the service procedures for the TNV series engines of indirect injection system that have been certified by the US 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 said engine. Since the explanation in this manual assumes the standard type engine, the specifications and components may partially be different from the engine installed on individual work equipment (power generator, pump, compressor, etc.). Please also refer to the service manual for each work equipment for details.

The specifications and components may be subject to change for improvement of the engine quality without notice. If any modification of the contents described herein becomes necessary, it will be notified in the form of correction information each time.

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SAFETY LABELS z Most accidents are caused by negligence of basic safety rules and precautions. For accident prevention, it is important to avoid such causes before development to accidents. Please read this manual carefully before starting repair or maintenance to fully understand safety precautions and appropriate inspection and maintenance procedures. Attempting at a repair or maintenance job without sufficient knowledge may cause an unexpected accident. z It is impossible to cover every possible danger in repair or maintenance in the manual. Sufficient consideration for safety is required in addition to the matters marked .

Especially for safety precautions in a repair or maintenance job not described in this manual, receive instructions from a knowledgeable leader. z Safety marks used in this manual and their meanings are as follows: DANGER -indicates an imminently hazardous situation, which, if not avoided, WILL result in death or serious injury. WARNING -indicates a potentially hazardous situation, which, if not avoided, COULD result in death or serious injury. CAUTION -indicates a potentially hazardous situation, which, if not avoided, MAY result in minor or moderate injury. z NOTICE - indicates that if not observed, the product performance or quality may not be guaranteed.

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