Komatsu H285S HYDRAULIC SHOVEL Shop Manual – PDF DOWNLOAD

Description

Komatsu H285S HYDRAULIC SHOVEL Shop Manual – PDF DOWNLOAD

FILE DETAILS:

Komatsu H285S HYDRAULIC SHOVEL Shop Manual – PDF DOWNLOAD

Language : English
Pages :410
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu H285S HYDRAULIC SHOVEL Shop Manual – PDF DOWNLOAD

SERIAL NUMBER H285S 78094, 78111 & 78113

FOREWORD

With this service manual MANNESMANN DE MAG BAUMASCHINENM provides you with the description of
the construction and the function of the major systems of the hydraulic excavator H 285.

The service manual consists of 2 sections:

Section 1 General View

Section 2 Functional Description,
Inspections and Adjustments.

We describe for you all functions and how to carry out the inspections and adjustments.

TABLE OF CONTENTS:

Komatsu H285S HYDRAULIC SHOVEL Shop Manual – PDF DOWNLOAD

SERIAL NUMBER H285S 78094, 78111 & 78113

MAIN MENU 0
COVER 1
FOREWORD 3
CONTENTS 7
PART 1 9
DIVISION OF MACHINE 10
SUPERSTRUCTURE 12
UNDERCARRIAGE 14
EQUIPMENT 16
SPECIAL EQUIPMENT 18
TOOTH SYSTEMS 20
LUBRICATION 22
REFILLING UNIT 32
HYDRAULIC SYSTEM 34
CONTROL 38
CONTROL UNITS 40
FILTERS OF THE HYDRAULIC OIL 42
ASSEMBLING THE EXCAVATOR 44
PART 2 74
LIST OF CONTENTS 74
SHORT INFORMATION 82
HINTS FOR THE USER 84
HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM 86
ELECTRIC CIRCUIT DIAGRAM105
HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM108
HINTS FOR CHECK AND ADJUSTMENTS114
PROPULSION115
OVERVIEW DIESEL ENGINE115
OVERVIEW ELECTRIC MOTOR116
ENGINE MOUNTINGS117
SWITCHES, SENSORS AND FILTERS118
RPM ADJUSTMENTS120
FAN DRIVE125
AIR FILTER126
COUPLING FOR DIESEL ENGINE DRIVEN MACHINES127
COUPLING FOR ELECTRIC MOTOR DRIVEN MACHINES128
PUMP DISTRIBUTOR GEAR130
GEAR LUBRICATION131
HYDRAULIC PUMPS133
PUMP BEARING LUBRICATION134
PUMP REGULATION136
FOR MACHINES WITH DIESEL ENGINE ONLY136
LOAD LIMIT REGULATION137
PRESSURE CUT OFF VALVE143
SETTING OF THE LOAD LIMIT VALVE144
MEASURING AND SETTING OF THE PRESSURE OF THE PRESSURE CUT OFF VALVES146
MEASURING AND SETTING OF THE START OF DESTROKING OF THE MAIN PUMPS148
CHECKING WITH TEST BOLT149
FOR MACHINES WITH ELECTRONIC MOTOR DRIVE150
BRIEF DESCRIPTION OF THE ELECTRONIC PARTS OF THE EGL152
HYDRAULIC REGULATION153
ADJUSTMENTS160
ADJUSTING WORKS FOR THE ELECTRONIC PUMP REGULATION168
TROUBLESHOOTING/ELECTRONIC CONTROLLING173
MEASURING AND SETTING OF THE PRESSURE CUT OFF VALVES176
MEASURING AND SETTING OF THE START OF DESTROKING OF THE MAIN PUMPS178
CHECKING WITH TEST BOLT179
HYDRAULIC OIL COOLING180
FAN DRIVE181
MEASURING AND SETTING OF THE FAN SPEED183
COOLING CIRCUIT186
MEASURING AND SETTING OF THE BACK PRESSURE VALVE187
CHECKS TO BE PERFORMED IF HYDRAULIC TEMPERATURE IS TOO HIGH188
HYDRAULIC OIL TANK189
PILOT PRESSURE CIRCUITS190
OVERVIEW190
CONTROL OIL SUPPLY191
CHECKING AND ADJUSTMENTS193
TRAVEL PARKING BRAKE194
SLEW BRAKE HOUSE BRAKE196
TRAVEL MOTION CONTROL WHEN USING A CABLE REEL198
PILOT PRESSURE CUT OFF FOR “BUCKET FILLING” AT TOO HOT HYDRAULIC OIL199
PRIORITY FOR STICK OR BOOM IN RH CONTROL BLOCK WITH A BHA200
SERVICE LINE CIRCUITS201
SLEW CIRCUIT201
CHECKS AND ADJUSTMENTS206
TRAVEL MOTORS209
CHECKS AND ADJUSTMENTS210
BUCKET CYLINDER211
CHECKS AND ADJUSTMENTS212
CLAM CYLINDER214
CHECKS AND ADJUSTMENTS215
STICK CYLINDER/LOADER ATTACHMENT219
CHECKS AND ADJUSTMENTS220
BOOM CYLINDER/LOADER ATTACHMENT223
CHECKS AND ADJUSTMENTS224
BUCKET CYLINDER/BACK HOE ATTACHMENT227
CHECKS AND ADJUSTMENTS228
STICK CYLINDER/BACK HOE ATTACHMNET231
CHECKS AND ADJUSTMENTS232
BOOM CYLINDER/BACK HOE ATTACHMENT235
CHECKS AND ADJUSTMENTS236
HYDRAULIC TRACK ADJUSTING SYSTEM239
LEGEND239
FUNCTION240
APPENDIX247
HYDRAULIC AIR CONDITION DRIVE249
CHECKS AND ADJUSTMENTS250
SERVICE MANUAL252
GENERATOR DRIVE286
CHECKS AND ADJUSTMENTS292
LUBRICATION300
COMPRESSED AIR SYSTEM300
SINGLE LINE CENTRALIZED LUBE SYSTEM304
ELECTRICAL FUNCTION308
CHECKS AND ADJUSTMENTS312
SLEW RING TOOTHING MIST LUBRICATION316
ELECTRICAL FUNCTION320
CHECKS AND ADJUSTMENTS324
SLEW RING TOOTHING DRIP LUBRICATION326
ELECTRICAL FUNCTION330
CHECKS AND ADJUSTMENTS334
CENTRAL LUBRICATION SYSTEM WITH ELECTRIC MOTOR DRIVE PUMPS336
DESIGN336
SINGLE LINE CENTRALIZED LUBE SYSTEM338
ELECTRICAL FUNCTION342
CHECKS AND ADJUSTMENTS346
SLEW RING DRIP LUBRICATION348
ELECTRICAL FUNCTION352
CHECKS AND ADJUSTMENTS356
SL-1 AND SL-11 INJECTOR358
DIFFERENT TIME RELAYS362
CABLE REEL/ELECTRIC MACHINE368
ELECTRICAL FUNCTION370
TRAVEL MOTION CONTROL372
SWITCHING MECHANISM WITH SWITCHES 5S4374
REQUIRED ADJUSTMENTS/CHECKS376
PART 3378
CONTENTS378
ELECTRICAL DIAGRAM379

IMAGES PREVIEW OF THE MANUAL:

S.M 18/12/24