Komatsu PC750 -7 PC750LC-7 PC750SE-7 PC800 -7 PC800SE-7 Operator & Maintenance Manual – PDF DOWNLOAD

Komatsu PC750 -7 PC750LC-7 PC750SE-7 PC800 -7 PC800SE-7 Operator & Maintenance Manual – PDF DOWNLOAD

DESCRIPTION:

SERIAL NUMBERS

PC750-20072
PC800-40069 and up

Komatsu PC750 -7 PC750LC-7 PC750SE-7 PC800 -7 PC800SE-7 Operator & Maintenance Manual – PDF DOWNLOAD

FOREWORD
This manual provides rules and guidelines which will help you use this machine safely and effectively. The
precautions in this manual must be followed at all times when performing operation and maintenance. Most
accidents are caused by the failure to follow fundamental safety rules for the operation and maintenance of
machines. Accidents can be prevented by knowing beforehand conditions that may cause a hazard when
performing operation and maintenance.
WARNING
Operators and maintenance personnel must always do as follows before beginning operation or maintenance.
Always be sure to read and understand this manual thoroughly before performing operation and maintenance.
Read the safety messages given in this manual and the safety labels affixed to the machine thoroughly and be sure that you
understand them fully.
Keep this manual in the storage location for the operation and maintenance manual given below, and have all personnel read it
periodically.
If this manual has been lost or has become dirty and cannot be read, request a replacement manual immediately from Komatsu
or your Komatsu distributor.
If you sell the machine, be sure to give this manual to the new owners together with the machine.
Komatsu delivers machines that comply with all applicable regulations and standards of the country to which it has been shipped.
If this machine has been purchased in another country or purchased from someone in another country, it may lack certain safety
devices and specifications that are necessary for use in your country. If there is any question about whether your product
complies with the applicable standards and regulations of your country, consult Komatsu or your Komatsu distributor before
operating the machine.
TABLE OF CONTENTS:

Komatsu PC750 -7 PC750LC-7 PC750SE-7 PC800 -7 PC800SE-7 Operator & Maintenance Manual – PDF DOWNLOAD

COVER …………………………………………………………………………….. 1 FOREWORD ………………………………………………………………………….. 2 FOREWORD……………………………………………………………………….. 3 SAFETY INFORMATION………………………………………………………………. 6 INTRODUCTION……………………………………………………………………. 8 DIRECTIONS OF MACHINE………………………………………………………… 8 BREAKING-IN THE NEW MACHINE…………………………………………………… 8 PRODUCT INFORMATION……………………………………………………………… 9 MACHINE SERIAL NUMBER PLATE AND ITS LOCATION……………………………………. 9 ENGINE SERIAL NUMBER PLATE AND ITS LOCATION…………………………………….. 9 SERVICE METER LOCATION……………………………………………………….. 10 YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR…………………………………….. 10 CONTENTS……………………………………………………………………….. 11 SAFETY ……………………………………………………………………………. 16 SAFETY…………………………………………………………………………. 17 SAFETY LABELS…………………………………………………………………… 19 LOCATION OF SAFETY LABELS…………………………………………………….. 20 SAFETY LABELS……………………………………………………………….. 21 GENERAL PRECAUTIONS……………………………………………………………… 27 SAFETY MACHINE OPERATION…………………………………………………………. 35 STARTING ENGINE……………………………………………………………… 35 OPERATION…………………………………………………………………… 37 TRANSPORTATION………………………………………………………………. 43 BATTERY…………………………………………………………………….. 44 TOWING……………………………………………………………………… 46 LIFTING OBJECTS WITH BUCKET…………………………………………………… 47 SAFETY MAINTENANCE INFORMATION……………………………………………………. 48 OPERATION …………………………………………………………………………. 56 MACHINE VIEW ILLUSTRATIONS……………………………………………………….. 57 OVERALL MACHINE VIEW…………………………………………………………. 57 CONTROLS AND GAUGES………………………………………………………….. 58 DETAILED CONTROLS AND GAUGES……………………………………………………… 60 MONITORING SYSTEM……………………………………………………………. 60 SWITCHES……………………………………………………………………. 83 CONTROL LEVERS AND PEDALS…………………………………………………….. 90 SUN ROOF……………………………………………………………………. 93 WINDSHIELD………………………………………………………………….. 94 EMERGENCY EXIT FROM OPERATOR’S CAB…………………………………………….. 99 DOOR LOCK…………………………………………………………………… 99 CAP WITH LOCK………………………………………………………………..100 HOT AND COOL BOX……………………………………………………………..101 MAGAZINE BOX…………………………………………………………………101 ASHTRAY……………………………………………………………………..102 AIR CONDITIONER CONTROLS………………………………………………………103 RADIO……………………………………………………………………….117 AUXILIARY ELECTRIC POWER………………………………………………………126 FUSE………………………………………………………………………..127 CIRCUIT BREAKER………………………………………………………………128 CONTROLLER…………………………………………………………………..129 TOOL BOX…………………………………………………………………….129 GREASE PUMP………………………………………………………………….130 ACCUMULATOR………………………………………………………………….133 MACHINE OPERATIONS AND CONTROLS……………………………………………………134 BEFORE STARTING ENGINE………………………………………………………..134 STARTING ENGINE………………………………………………………………154 AFTER STARTING ENGINE…………………………………………………………159 STOPPING THE ENGINE…………………………………………………………..167 MACHINE OPERATION…………………………………………………………….168 STEERING THE MACHINE………………………………………………………….172 SWINGING…………………………………………………………………….174 WORK EQUIPMENT CONTROLS AND OPERATIONS………………………………………….175 WORKING MODE…………………………………………………………………177 PROHIBITED OPERATIONS…………………………………………………………178 GENERAL OPERATION INFORMATION………………………………………………….181 TRAVELING ON SLOPES…………………………………………………………..183 ESCAPE FROM MUD………………………………………………………………185 RECOMMENDED APPLICATIONS………………………………………………………186 BUCKET REPLACEMENT……………………………………………………………187 PARKING MACHINE………………………………………………………………189 CHECK AFTER SHUT OFF ENGINE……………………………………………………190 LOCKING……………………………………………………………………..191 TRANSPORTATION…………………………………………………………………..192 PRECAUTIONS FOR TRANSPORTATION…………………………………………………192 LIFTING MACHINE………………………………………………………………193 SHIPPING MACHINE INFORMATION…………………………………………………..195 TRANSPORTATION POSTURE………………………………………………………..196 PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE……………………………202 COLD WEATHER OPERATION……………………………………………………………204 COLD WEATHER OPERATION INFORMATION……………………………………………..204 AFTER DAILY WORK COMPLETION……………………………………………………207 AFTER COLD WEATHER SEASON……………………………………………………..207 LONG TERM STORAGE………………………………………………………………..208 BEFORE STORAGE……………………………………………………………….208 DURING STORAGE……………………………………………………………….208 AFTER STORAGE………………………………………………………………..208 STARTING MACHINE AFTER LONG-TERM STORAGE………………………………………..209 TROUBLES AND ACTIONS……………………………………………………………..210 RUNNING OUT OF FUEL…………………………………………………………..210 PHENOMENA THAT ARE NOT FAILURES………………………………………………..211 TOWING THE MACHINE……………………………………………………………212 SEVERE JOB CONDITION………………………………………………………….212 DISCHARGED BATTERY……………………………………………………………213 OTHER TROUBLE………………………………………………………………..217 MAINTENANCE ………………………………………………………………………..224 MAINTENANCE INFORMATION…………………………………………………………..225 OUTLINE OF SERVICE……………………………………………………………….227 HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC……………………………227 ELECTRIC SYSTEM MAINTENANCE……………………………………………………230 WEAR PARTS………………………………………………………………………231 WEAR PARTS LIST………………………………………………………………232 LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS…………………………………………233 PROPER SELECTION……………………………………………………………..233 RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL….234 TIGHTENING TORQUE SPECIFICATIONS…………………………………………………..235 TIGHTENING TORQUE LIST………………………………………………………..235 SAFETY CRITICAL PARTS…………………………………………………………….236 SAFETY CRITICAL PARTS LIST…………………………………………………….237 MAINTENANCE SCHEDULE……………………………………………………………..238 MAINTENANCE SCHEDULE CHART…………………………………………………….238 MAINTENANCE PROCEDURE…………………………………………………………….240 INITIAL 100 HOURS MAINTENANCE (ONLY AFTER THE FIRST 100 HOURS)…………………….240 INITIAL 500 HOURS MAINTENANCE (ONLY AFTER THE FIRST 500 HOURS)…………………….240 WHEN REQUIRED………………………………………………………………..241 CHECK BEFORE STARTING…………………………………………………………264 EVERY 10 HOURS MAINTENANCE…………………………………………………….265 EVERY 100 HOURS MAINTENANCE……………………………………………………268 EVERY 250 HOURS MAINTENANCE……………………………………………………269 EVERY 500 HOURS MAINTENANCE……………………………………………………276 EVERY 1000 HOURS MAINTENANCE…………………………………………………..289 EVERY 2000 HOURS MAINTENANCE…………………………………………………..300 EVERY 4000 HOURS MAINTENANCE…………………………………………………..303 EVERY 5000 HOURS MAINTENANCE…………………………………………………..306 EVERY 8000 HOURS MAINTENANCE…………………………………………………..309 SPECIFICATIONS ……………………………………………………………………..310 SPECIFICATIONS…………………………………………………………………..311 ATTACHMENTS, OPTIONS ………………………………………………………………..314 GENERAL PRECAUTIONS FOR SAFETY…………………………………………………….315 PRECAUTIONS WHEN SELECTING…………………………………………………….315 READ THE INSTRUCTION MANUAL THOROUGHLY………………………………………….315 PRECAUTIONS WHEN REMOVING OR INSTALLING…………………………………………315 PRECAUTIONS WHEN USING………………………………………………………..315 ATTACHMENT GUIDE…………………………………………………………………316 COMBINATIONS OF WORK EQUIPMENT…………………………………………………317 LOADING SHOVEL ……………………………………………………………………..320 EXPLANATION OF COMPONENTS…………………………………………………………321 SWITCHES…………………………………………………………………….321 FUSE………………………………………………………………………..324 OPERATIONS………………………………………………………………………325 OPERATION OF WORK EQUIPMENT……………………………………………………325 PRECAUTIONS DURING OPERATION…………………………………………………..327 LOADING SHOVEL WORK…………………………………………………………..331 PRECAUTIONS WHEN DISASSEMBLING MACHINE……………………………………………..332 RELEASING PRESSURE……………………………………………………………332 TRANSPORTATION…………………………………………………………………..333 MACHINE CONFIGURATION FOR TRANSPORT…………………………………………….333 WEAR PARTS………………………………………………………………………334 WEAR PARTS LIST………………………………………………………………334 MAINTENANCE……………………………………………………………………..335 CHECK BEFORE STARTING…………………………………………………………335 EVERY 10 HOURS MAINTENANCE…………………………………………………….337 EVERY 5000 HOURS MAINTENANCE…………………………………………………..338 SPECIFICATION……………………………………………………………………340 COMBINATION OF WORK EQUIPMENT……………………………………………………..341 COMBINATION OF WORK EQUIPMENT……………………………………………………..341 INDEX………………………………………………………………………………344

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