Komatsu D65EX-80001 Shop Manual page 13

Bulldozer
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100 Index
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H-13 Blade lift speed is slow or lacks power ................................................................................................. 14
H-14 Blade tilt speed is slow or lacks power ................................................................................................. 15
H-15 Ripper lift speed is slow or lacks power................................................................................................ 15
H-16 Excessive hydraulic drift of blade lift..................................................................................................... 16
H-17 Excessive hydraulic drift of blade tilt..................................................................................................... 16
H-18 Excessive hydraulic drift of ripper lift..................................................................................................... 17
600 Troubleshooting of engine (S-mode) ......................................................................................... SEN05039-00
Method of using troubleshooting charts.........................................................................................................
S-1 Starting performance is poor. ..................................................................................................................
S-2 Engine does not start ..............................................................................................................................
S-3 Engine does not pick up smoothly .......................................................................................................... 10
S-4 Engine stops during operations .............................................................................................................. 11
S-5 Engine does not rotate smoothly ............................................................................................................ 12
S-6 Engine lacks output (or lacks power) ...................................................................................................... 13
S-7 Exhaust smoke is black (incomplete combustion) .................................................................................. 14
S-8 Oil consumption is excessive (or exhaust smoke is blue)....................................................................... 15
S-9 Oil becomes contaminated quickly ......................................................................................................... 16
S-10 Fuel consumption is excessive ............................................................................................................. 17
S-11 Oil is in coolant (or coolant spurts back, or coolant level goes down)................................................... 18
S-12 Oil pressure drops................................................................................................................................. 19
S-13 Oil level rises (water, fuel in oil) ............................................................................................................ 20
S-14 Coolant temperature becomes too high (overheating).......................................................................... 21
S-15 Abnormal noise is made ....................................................................................................................... 22
S-16 Vibration is excessive ........................................................................................................................... 23
50 Disassembly and assembly
100 General information on disassembly and assembly.................................................................. SEN05110-01
How to read this manual................................................................................................................................
Coating materials list .....................................................................................................................................
Special tool list...............................................................................................................................................
Sketches of special tools ............................................................................................................................... 17
200 Engine and cooling system ........................................................................................................SEN05111-01
Removal and installation of fuel supply pump assembly ...............................................................................
Removal and installation of fuel injector assembly........................................................................................
Removal and installation of cylinder head assembly..................................................................................... 17
Removal and installation of radiator assembly .............................................................................................. 32
Removal and installation of aftercooler assembly ......................................................................................... 35
Removal and installation of hydraulic oil cooler assembly ............................................................................ 37
Removal and installation of power train oil cooler assembly ......................................................................... 39
Removal and installation of cooling fan drive assembly ................................................................................ 42
Removal and installation of cooling fan motor assembly............................................................................... 44
Removal and installation of main body of coolant preheater (subextremely cold weather spec) .................. 46
Removal and installation of coolant preheater fuel tank (Subextremely cold weather spec.)........................ 50
Removal and installation of coolant preheater exhaust duct. (Subextremely cold weather spec.)................ 52
Removal and installation of oil pan cover of coolant preheater (subextremely cold weather spec.) ............. 56
Removal and installation of engine assembly ............................................................................................... 57
Removal and installation of damper assembly .............................................................................................. 65
Removal and installation of engine front oil seal ........................................................................................... 68
Removal and installation of engine rear oil seal ............................................................................................ 72
Removal and installation of engine hood assembly ...................................................................................... 80
Removal and installation of fuel tank assembly............................................................................................. 82
300 Power train ................................................................................................................................ SEN05112-02
Removal and installation of power train unit assembly..................................................................................
Separation and connection of power train unit assembly ..............................................................................
Disassembly and assembly of PTO assembly .............................................................................................. 11
Disassembly and assembly of torque converter assembly............................................................................ 16
Disassembly and assembly of transmission assembly.................................................................................. 27
D65EX, PX, WX-16
SEN04931-14
3
6
7
2
4
7
2
7
2
6
11
00-100

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