Komatsu Cummins N-855 Series Diesel Engine Service Repair Shop Manual - SEBE6710A03

This Komatsu - Cummins N-855 Diesel Engine Service Repair Workshop Manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity.


APPLICABLE MODELS :

N-855-C PC300-1
PC300-2
PC300LC-1
PC300LC-2

NT-855-C D80A,E-18
D85A,E,P-18
D80F-18
0955-2
PC400-1
PC400LC-1
W170-2
W180-1

NTA-855-C HD320-2
HD320-3
WS16.S-2
WS·23-1


TABLE OF CONTENTS :

01 General
11 Structure and Function
12 Testing and Adjusting
13 Disassembly and Assembly
14 Maintenance Standart
15 Repair and Replacement
19 Others


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Total Pages : 279
Bookmarked : Yes
Searchable : Yes
Product Code : SEBE6710A03

This shop manual mainly contains the necessary technical information for operations performed in a service workshop. For ease of understanding, the manual is divided into the following chapters; these chapters are further divided into the each main group of components.

STRUCTURE AND FUNCTION
This section explains the structure and function of each component. It serves not only to give an understanding of the structure, but also serves as reference material for troubleshooting. In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance standards.

TESTING AND ADJUSTING
This section explains checks to be made before and after performing repairs, as well as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating "Problems" with "Causes" are also included in this section.

DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component, as well as precautions for them.

MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.

OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together.

This (OEM) Komatsu Shop Manual has detailed illustrations as well as step by step instructions, It is 100 percents complete and intact. they are specifically written for the do-it-yourself-er as well as the experienced mechanic. With step by step instruction & highly detailed exploded pictures & diagrams to show you how to complete the required job correctly & efficiently Using. Provides step-by-step instructions based on the complete dis-assembly of the machine. It is this level of detail, along with hundreds of photos and illustrations, that guide the reader through each service and repair procedure. Complete download comes in pdf format which can work under all PC based windows operating system and Mac also, All pages are printable. Using this repair manual is an inexpensive way to keep your vehicle working properly.

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COVER
CONTENTS
01 GENERAL
CONTENTS
GENERAL VIEW
SPECIFICATIONS
ASSEMBLY DRAWING
PERFORMANCE CURVE
WEIGHT TABLE

11 STRUCTURE AND FUNCTION
CONTENTS
GENERAL STRUCTURE
INTAKE AND EXHAUST SYSTEM
TURBOCHARGER
AFTER-COOLER
ENGINE BODY
CYLINDER HEAD
VALVE SYSTEM
CYLINDER BLOCK
MAIN CIRCULATION SYSTEM
TIMING GEAR
CAMSHAFT, CAM FOLLOWER AND PUSH ROD
INJECTION TIMING, VALVE TIMING
FLYWHEEL AND FLYWHEEL HOUSING
LUBRICATION SYSTEM
LUBRICATION SYSTEM CHART
OIL PUMP
OIL FILTER AND OIL COOLER
FULL-FLOW FILTER
BY-PASS FILTER
OIL COOLER
FUEL SYSTEM
FUEL SYSTEM CHART
PT FUEL PUMP
PT FUEL PUMP DRIVE
INJECTOR
FUEL FILTER
WATER SEPARATOR
ANEROID CONTROL VALVE
COOLING SYSTEM
COOLING SYSTEM CHART
WATER PUMP
FAN DRIVE
TENSION PULLEY
THERMOSTAT
CORROSION RESISTOR
ACCESSORY
AIR COMPRESSOR
ELECTRICAL SYSTEM
ALTERNATOR
STARTING MOTOR
ELECTRICAL INTAKE AIR HEATER

12 TESTING AND ADJUSTING
CONTENTS
TESTING AND ADJUSTING INJECTOR AND VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOW-BY PRESSURE
MEASURING OIL CONSUMPTION
MEASURING FUEL PRESSURE
PT PUMP CALIBRATION DATA
PT FUEL PUMP PARTS SPECIFICATION
INJECTOR SPECIFICATION
RUN-IN STANDARD
PERFORMANCE TEST CRITERIA
TESTING AND ADJUSTING TOOL LIST
TESTING AND ADJUSTING DATA
TROUBLESHOOTING

13 DISASSEMBLY AND ASSSEMBLY

14 MAINTENANCE STANDARD
CONTENTS
INTAKE AND EXHAUST SYSTEM
TURBOCHARGER
ENGINE BODY
CYLINDER HEAD
VALVE, VALVE GUIDE
CROSSHEAD AND CROSSHEAD GUIDE
ROCKER LEVER, SHAFT
CYLINDER BLOCK
CRANKSHAFT AND VIBRATION DAMPER
CYLINDER LINER
CAMSHAFT
CAM FOLLOWER AND PUSH ROD
GEAR AND GEAR COVER
CONNECTING ROD
PISTON, PISTON RING, PISTION PIN
FLYWHEEL, FLYWHEEL HOUSING, REAR COVER
LUBRICATION SYSTEM
OIL PUMP
COOLING SYSTEM
WATER PUMP AND IDLER PULLEY

15 REPAIR AND REPLACEMENT
CONTENTS
CYLINDER HEAD
GRINDING AND CORRECTING CYLINDER HEAD MOUNTING FACE
REPLACING VALVE SEAT INSERTS
GRINDING AND CORRECTING VALVE SEATS SURFACE
REPLACING INJECTOR SLEEVES
REPLACING VALVE GUIDES
REPLACING CROSSHEAD GUIDES
GRINDING AND CORRECTING VALVES
REPLACING ROCKER LEVER BUSHINGS
CYLINDER BLOCK
GRINDING AND CORRECTING TOP FACE OF CYLINDER BLOCK
CORRECTING CYLINDER LINER COUNTERBORE
REPLACING MAIN BEARING CAPS
GRINDING AND CORRECTING CRANKSHAFT
CORRECTING SLEEVES AT CRANKSHAFT REAR SEAL
REPLACING CAMSHAFT BUSHING
REPLACING CONNECTING ROD BUSHING
REPLACING CAM FOLLOWER LEVER BUSHING
REPLACING CRANKSHAFT GEAR
REPLACING CAMSHAFT GEAR
REPLACING FLYWHEEL RING GEAR

19 OTHERS
CONTENTS
STANDARD TIGHTENING TORQUE

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