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METHOD FOR STARTING ENGINE.............................................................................................. 3-171
METHOD FOR OPERATIONS AND CHECKS AFTER STARTING ENGINE 
................................. 3-175
METHOD FOR STOPPING ENGINE 
............................................................................................. 3-178
METHOD FOR STARTING MACHINE (TRAVEL FORWARD AND REVERSE, AND SHIFTING GEAR)

AND STOPPING MACHINE ....................................................................................................... 3-179

METHOD FOR STEERING MACHINE........................................................................................... 3-187
METHOD FOR OPERATING WORK EQUIPMENT 
....................................................................... 3-188
PRECAUTIONS FOR OPERATION 
............................................................................................... 3-190
RECOMMENDED APPLICATIONS
................................................................................................ 3-191
METHOD FOR ADJUSTING WORK EQUIPMENT POSTURE
...................................................... 3-196
REMOTE POSITIONER
................................................................................................................. 3-196
METHOD FOR PARKING MACHINE 
............................................................................................. 3-201
METHOD FOR CHECKING AFTER FINISHING WORK
................................................................ 3-203
LOCK 
............................................................................................................................................. 3-203
HANDLE TIRE 
............................................................................................................................... 3-206

HANDLE AIR CONDITIONER............................................................................................................... 3-208

EXPLANATION OF AIR CONDITIONER EQUIPMENT.................................................................. 3-209
METHOD FOR OPERATING AIR CONDITIONER
......................................................................... 3-214

HANDLE RADIO ................................................................................................................................... 3-218

EXPLANATION OF RADIO EQUIPMENT ...................................................................................... 3-218
METHOD FOR CONTROLLING RADIO 
........................................................................................ 3-220

TRANSPORTATION.............................................................................................................................. 3-223

TRANSPORTATION PROCEDURE ............................................................................................... 3-223
LOADING AND UNLOADING WITH TRAILER 
.............................................................................. 3-223
METHOD FOR LIFTING MACHINE 
............................................................................................... 3-226

COLD WEATHER OPERATION............................................................................................................ 3-229

COLD WEATHER OPERATION INFORMATION ........................................................................... 3-229
PRECAUTIONS AFTER DAILY WORK COMPLETION 
................................................................. 3-230
PRECAUTIONS IN COLD WEATHER 
........................................................................................... 3-230
AFTER COLD WEATHER SEASON 
.............................................................................................. 3-230

PRECAUTIONS FOR LONG-TERM STORAGE ................................................................................... 3-231

PREPARATION FOR LONG-TERM STORAGE ............................................................................. 3-231
MAINTENANCE DURING LONG-TERM STORAGE
...................................................................... 3-231
STARTING MACHINE AFTER LONG-TERM STORAGE
............................................................... 3-231

TROUBLES AND ACTIONS ................................................................................................................. 3-233

ACTIONS WHEN RUNNING OUT OF FUEL ................................................................................. 3-233
PRECAUTIONS FOR TOWING MACHINE 
.................................................................................... 3-233
PRECAUTIONS FOR DISCHARGED BATTERY 
........................................................................... 3-236
OTHER TROUBLE
......................................................................................................................... 3-239

MAINTENANCE............................................................................................................................................... 4-1

PRECAUTIONS FOR MAINTENANCE ..................................................................................................... 4-2

CHECK SERVICE METER READING ............................................................................................... 4-2
KOMATSU GENUINE REPLACEMENT PARTS 
................................................................................ 4-2
KOMATSU GENUINE LUBRICANTS 
................................................................................................. 4-2
ALWAYS USE CLEAN WASHER FLUID 
............................................................................................ 4-2
FRESH AND CLEAN LUBRICANTS 
.................................................................................................. 4-2
CHECK DRAINED OIL AND USED FILTER....................................................................................... 4-2
PRECAUTIONS FOR REFILLING OIL OR FUEL 
.............................................................................. 4-2
PRECAUTIONS FOR ADDING DEF 
................................................................................................. 4-2
PRECAUTIONS FOR WELDING 
....................................................................................................... 4-2
DO NOT DROP THINGS INSIDE MACHINE 
..................................................................................... 4-2
PRECAUTIONS FOR KDPF 
.............................................................................................................. 4-2
PRECAUTIONS FOR SCR ASSEMBLY 
............................................................................................ 4-3
DUSTY JOBSITES
............................................................................................................................. 4-3
AVOID MIXING OIL
............................................................................................................................ 4-3
LOCK INSPECTION COVERS 
.......................................................................................................... 4-3
BLEED AIR FROM HYDRAULIC CIRCUIT 
........................................................................................ 4-3
PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES 
............................................................. 4-3

FOREWORD

TABLE OF CONTENTS

1-9

Summary of Contents for WA270-8

Page 1: ...ompany It is our policy to improve our products whenever it is possible and practical to do so We reserve the right to make changes or improvements at any time without incurring any obligation to inst...

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Page 5: ...ncer birth defects and other reproductive harm CALIFORNIA Proposition 65 Warning Battery posts terminals and related accessories contain lead and lead compounds chemicals known to the State of Califor...

Page 6: ...and Maintenance Manual 1 on the left side of the operator s seat If this manual is lost or damaged contact Komatsu or your Komatsu distributor and tell them about the machine model name and the seria...

Page 7: ...s signal word indicates an imminently hazardous situation which if not avoided will result in death or serious injury This signal word indicates a potentially hazardous situation which if not avoided...

Page 8: ...e determined according to the view from the operator s seat in the direction of travel front of the machine VISIBILITY FROM OPERATOR S SEAT This machine complies with the visibility standard ISO5006 T...

Page 9: ...ammonia generated from the urea solution and decomposes the nitrogen oxides into nitrogen and water About Diesel Exhaust Fluid DEF Diesel Exhaust Fluid is the aqueous urea solution for the SCR system...

Page 10: ...R PIN MACHINE SERI AL NO PLATE This is located at the center of the front frame on the right side of the machine The design of the nameplate differs according to the district LOCATION OF ENGINE NUMBER...

Page 11: ...center bottom of the machine monitor YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR Machine serial No Engine serial No Product identification number PIN Distributor name Address Phone Fax Service personn...

Page 12: ...2 21 UNAUTHORIZED MODIFICATION 2 21 PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2 21 PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING 2 21 PRECAUTIONS FOR OPERATION 2 22 PRECAUTIONS FOR JOBSITE 2 22...

Page 13: ...LD WEATHER OPERATION INFORMATION 3 229 PRECAUTIONS AFTER DAILY WORK COMPLETION 3 230 PRECAUTIONS IN COLD WEATHER 3 230 AFTER COLD WEATHER SEASON 3 230 PRECAUTIONS FOR LONG TERM STORAGE 3 231 PREPARATI...

Page 14: ...E 4 61 EVERY 4000 HOURS MAINTENANCE 4 77 EVERY 4500 HOURS MAINTENANCE 4 80 EVERY 8000 HOURS MAINTENANCE 4 80 EVERY 9000 HOURS MAINTENANCE 4 80 SPECIFICATIONS 5 1 SPECIFICATIONS 5 2 SPECIFICATIONS WA27...

Page 15: ...se read and make sure that you fully understand the precautions descri bed in this manual and the safety labels on the machine When operating or servicing the machine always follow these precautions s...

Page 16: ...FOR CLEANING CAB GLASS 2 20 DO NOT GET CAUGHT 2 20 PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES 2 21 UNAUTHORIZED MODIFICATION 2 21 PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS 2 21 PRECAUTIONS WHEN...

Page 17: ...TOOLS 2 36 PRECAUTIONS FOR CHECK AND MAINTENANCE 2 36 TURN BATTERY DISCONNECT SWITCH TO OFF POSITION 2 36 PRECAUTIONS FOR WELDING 2 37 HANDLE BATTERY 2 37 PRECAUTIONS WHEN USING HAMMER 2 38 PRECAUTIO...

Page 18: ...ly When cleaning the safety labels do not use organic solvents or gasoline These may cause the labels to peel off If the safety labels are damaged lost or cannot be read properly replace them with new...

Page 19: ...LOCATION OF SAFETY LABELS SAFETY SAFETY LABELS 2 5...

Page 20: ...ngth fender 13 Caution while engine is running 14 Caution for nearing machine 15 Prohibition of entering beneath work equipment 16 Caution for modification of ROPS FOPS 17 Prohibition of start by shor...

Page 21: ...CONTENTS OF SAFETY LABELS Caution before operating 09651 03001 Caution when leaving the operator s seat 09654 83001 SAFETY SAFETY LABELS 2 7...

Page 22: ...Caution when traveling in reverse 09802 33000 Caution for electric cables 09801 13002 Prohibition of trespassing 09162 23000 SAFETY LABELS SAFETY 2 8...

Page 23: ...cable 09808 03001 Caution for explosion 09659 53000 Improper use of jumper cables and battery cables can cause an explosion resulting in serious injuly or death Follow instructions in manual when usin...

Page 24: ...ohibition of getting on or off fender Machines equipped with rear full length fender 09805 03000 Caution while engine is running 09667 03001 Caution for nearing machine 09812 13001 Stay clear 09812 13...

Page 25: ...cation of ROPS FOPS 09620 A2001 09620 A2171 Prohibition of start by short circuiting 09842 A0481 Caution for cleaning cooler core 418 93 43341 Sign indicates a crush hazard from falling off of working...

Page 26: ...Emergency escape 425 93 51110 Caution when closing emergency escape right window 421 926 4990 Caution for high temperature turbocharger 09817 A0753 SAFETY LABELS SAFETY 2 12...

Page 27: ...nd use in well ventilated area Extremely flammable gas hydrogen Explosion Fire Blast or Projectile hazard Do not handle or charge until all safely precautions instructions have been read and understoo...

Page 28: ...Caution when traveling in reverse Machine with rearview camera 09833 33000 Caution for handling DEF 09632 31800 SAFETY LABELS SAFETY 2 14...

Page 29: ...TION PRECAUTIONS FOR SAFETY RELATED EQUIPMENT Be sure that all guards covers cameras and mirrors are in their proper position Repair them immediately if they are damaged Understand the using method of...

Page 30: ...ay cause fire Do not use a cellular phone when driving or operating the machine This may lead to mistakes in operation and may cause serious personal injury or death Never bring any dangerous objects...

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