Komatsu Diesel Engine Repair Manual DE-BE3 PDF Download

Description

Komatsu Diesel Engine Shop Manual DE-BE3 – PDF DOWNLOAD

FILE DETAILS:

Komatsu Diesel Engine Shop Manual DE-BE3 – PDF DOWNLOAD

Language : English
Pages : 152
Downloadable : Yes
File Type : PDF
Size: 17.6 MB

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Komatsu Diesel Engine Shop Manual DE-BE3 – PDF DOWNLOAD

FOREWORD:
This shop manual is published for the information and guidance of the
service personnel who repair or rebuild KOMATSU engines and units used
thereon. The manual contains information on the overhauling procedure
as well as description of adjusting and testing methods necessitated
during overhaul operation. All the KOMATSU engine models are included
in this manual because the operational procedures are the same of very
similar, and because the various KOMATSU machines equipped with these
engines are often handled in the same workshop.
It is hoped that the descriptions in this manual are useful to ensure the
right and economical service operation.

TABLE OF CONTENTS:

Komatsu Diesel Engine Shop Manual DE-BE3 – PDF DOWNLOAD

1 1 CYLINDER HEAD 1-1
Cleaning l -1
Cracked cylinder head 1-1
Resurface 1-2
Valve seat 1-2
Valve guide-to-stem clearance, 1-6
Precumbustion chamber I – 7
1 2 CRANKCASE 1-8
Visual inspection 1-8
Hydraulic test 1-8
Cylinder liner bore 1-8
Cylinder liner replacement 1-10
Resurface 1-11
1 3 CRANKSHAFT AND MAIN BEARING 1-11
1 3 l Crankshaft journal and crankpin 1-11
1 3 2 Crankshaft run-out 1-12
Fillet 1-13
Main bearing-to-journal clearance 1-14
Main bearing crush 1-14
Crankshaft end play 1-15
Magnaflux test of crank shaft 1-16
Main bearing cap replacement 1-16
I 4 FLYWHEEL 1-1 7
Flywheel-to-clutch shaft bearing fitting 1-17
Ring gear teeth 1-18
Flywheel replacement 1-18
Flywheel · , , , · · · · · · · · · · 1-18
1 5 PISTONS, PISTON PINS, PISTON RINGS AND Page
CONNECTING RODS, , · · ·, · 1-19
Visual inspection of piston ,, , ,, 1-19
Cylinder liner-to-piston clearance , 1-19
Piston pin-to -pin hole clearance , 1-22
Piston ring-to-groove clearance 1-22
Piston ring gap , , , , 1-24
Piston pin -to-connecting rod end bushing clearance 1 _24
Crank pin-to-bearing clearance 1-25
Crank pin metal crush , , : , · · 1-27
Rod bore alignment and rod twist 1- 27
1-6 ATTENTION FOR INSTALLATING PISTON
AND CONNECTING ROD , · ·, · · · · · · · · l-27
1 7 CAMSHAFT 1-28
1 7 1 Visualinspection 1-28
l 7 2 Camshatt-to-bushing clearance 1-28
1 7,3 Camheight 1-30
1 7 4 Camshaft runout 1-30
Camshaft end play 1-30
Key and keyway , 1-31
l 8 VALVES AND VALVE MECHANISM 1-31
Visual inspection 1-31
Valve face 1-31
Valve stem 1-32
Stem runout 1-3 2
Sinking of valve 1-33
1 8 4 2 Valve guide-to stem clearance · 1-33
Squareness of valve spring
Load of valve spring , ,
Rocker shaft ,
Rocker arm-to-bushing clearance
Push rods ,
Tappet-to-guide clearance
Re-facing tappet : 1-38
Attention for installing valves 1-38
1 9 TIMING GEARS · , · · 1-38
1 9 l Visual inspection , , , , , 1-38
1 9 2 Gear backlash 1-38
1 9 3 Gear shaft end play and shaft-to-bushing clearance 1-40
1 10 MANIFOLDS 1-42
Exhaust manifold 1-42
Intake manifold , l-4 2
Water manifold 1-43
l 11 MAIN ENGINE TUNE- UP 1-43
Valve clearance adjustment 1-43
Injection timing gear adjustment 1-44
Bleeding of fuel system 1-45
Lubricating oil pressure adjustment 1-46
1 12 ENGINE TESTS1-46
1 12 l “Run-in” operation , 1-46
Observation during run-in operation , , , ,_ 1-49
Servicing after completing run-in operation 1-49
Engine performance test s 1-49

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• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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