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Komatsu Wheel Loader WA420-1 Operator & Maintenance Manual SN A25001 and up – PDF DOWNLOAD
Original price was: $89.95.$28.95Current price is: $28.95.
Komatsu Wheel Loader WA420-1 Operator & Maintenance Manual A25001 and up
SERIAL NUMBERS : A25001 and up
Book Code : SEAMU424KD10
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Description
Komatsu Wheel Loader WA420-1 Operator & Maintenance Manual
FILE DETAILS:
Komatsu Wheel Loader WA420-1 Operator & Maintenance Manual
Size: 10.6 MB
Fomat: PDF
language: English
Brand: Komatsu
Type of machine: Wheell Loader
Type of document: Operator & Maintenance Manual
Model: WA420-1
Serial: A25001 and up
Number of Page: 171
KOMATSU WHEEL LOADER WA420-1 OPERATOR & MAINTENANCE MANUAL SN A25001 AND UP – PDF DOWNLOAD:
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu Wheel Loader WA420-1 Operator & Maintenance Manual
FOREWORD:
This manual describes procedures for operation, handling, lubrication, maintenance, checking, and adjustment. it will help the operator Or any 0ne realize peak performance through effective, economical and safe machine operation and maintenance.
- Please read this manual carefully BEFORE operating the machine.
- Please continue studying this manual until proper operation is completely reinforced into personal habit.
- This manual describes the basic techniques. Skill is performed as the operator or anyone get the correct knowledge and performance of the machine.
- Operation, inspection. and maintenance should be carefully carried out, and the safety must be given the first priority. Safety precautions are in- dicated with A marks and technical precautions with * marks in this manual. The safety information contained in this manual is intended only to supplement safety codes, insurance requirements, local laws. rules and regulations.
- Some photographs and illustration pictures are different from your machine as technical improvement is continuously reflected on it. Revision to up-to-date manuals content is performed in later editions.
- This operation & maintenance manual may contain attachments and optional equipment that are not available in your area. Please consult your local Komatsu distributor for those items you may require. Materials and specifications are subject to change without notice.
TABLE OF CONTENTS:
Komatsu Wheel Loader WA420-1 Operator & Maintenance Manual
MAIN MENU.......................................................... 0 CONTENTS........................................................... 5 OPERATION ......................................................... 13 GENERAL LOCATIONS AND SPECIFICATIONS .......................... 14 GENERAL LOCATIONS ......................................... 14 PERFORMANCE ............................................... 14 ENGINE .................................................... 14 INSTRUMENTS AND CONTROLS ...................................... 15 MONITOR PANEL ............................................. 15 CHECK MONITOR GROUP.................................... 15 Engine Oil Level Monitor .......................... 17 Coolant Level Monitor ............................. 18 CAUTION MONITOR GROUP ................................. 18 Charge Monitor..................................... 18 Fuel Level Monitor ................................ 18 CAUTION MONITOR GROUP.................................. 19 Brake Line Failure Monitor ........................ 19 Engine Oil Pressure Monitor ....................... 19 Coolant Level Monitor ............................. 19 Air Pressure Monitor .............................. 20 Coolant Temperature Monitor ....................... 20 Torque Converter Oil Temperature Monitor .......... 20 METER GROUP PILOT DISPLAY ............................. 21 Parking Brake Pilot Lamp .......................... 21 Pilot Lamp for Workhg Lamp ........................ 22 Transmission Cut-off Selector Pilot Lamp .......... 22 Air Pressure Gauge ................................ 22 Engine Cooling Water Temperature Gauge ............ 23 Torque Converter Oil Temperature Gauge............. 23 Fuel Gauge ........................................ 23 Turn Signal Pilot Lamp ............................ 23 High Beam Pilot Lamp .............................. 24 Speedometer........................................ 24 Service Meter...................................... 24 SWITCHES .................................................. 25 TRANSMISSION CUT-OFF SELECTOR SWITCH .................. 25 ETHER START SWITCH .................................... 26 HORN BUTTON ........................................... 26 HAZARD LAMP SWITCH .................................... 26 PARKING BRAKE SWITCH................................... 27 WORKING LAMP SWITCH ................................... 28 STARTING SWITCH........................................ 28 LAMP SWITCHES ......................................... 28 Lamp switch........................................ 28 Turn signal lever ................................. 29 Dimmer switch...................................... 29 ROOM LAMP SWITCH ...................................... 29 CIGARETTE LIGHTER ..................................... 30 KICKDOWN SWITCH ....................................... 30 FRONT WIPER SWITCH..................................... 31 REAR WlPER SWITCH...................................... 31 LEVERS AND PEDALS ..................................... 32 DIRECTIONAL LEVER ..................................... 32 SPEED CONTROL LEVER ................................... 33 SPEED CONTROL LEVER STOPPER ........................... 33 STEERING COLUMN TILT LEVER ............................ 33 ACCELERATOR PEDAL ..................................... 33 BRAKE PEDALS .......................................... 34 Right brake pedal ................................. 34 Left brake pedal .................................. 34 LIFT ARM CONTROL LEVER ................................ 35 BUCKET CONTROL LEVER .................................. 36 SAFETY LOCK ........................................... 36 AIR CLEANER SERVICE INDICATOR ......................... 36 SAFETY BAR............................................. 37 WORK EQUIPMENT CONTROL LEVER .......................... 37 CIRCUIT BREAKER (MAIN) ................................ 38 DOOR-OPEN LOCK ........................................ 38 HOOD TILT LOCK ........................................ 39 FUSE BOX .............................................. 39 OPERATOR’S SEAT ....................................... 41 FORWARD-BACKWARD ADJUSTMENT ....................... 41 SEAT ANGLE ADJUSTMENT ............................ 41 SEAT CUSHION ADJUSTMENT ........................... 41 BACKREST ADJUSTMENT................................ 41 SEAT HEIGHT ADJUSTMENT ............................ 41 RIGHT SIDE ARMREST .................................... 41 FORWARD-BACKWARD ADJUSTMENT ....................... 41 ANGLE ADJUSTMENT .................................. 41 SEAT BELT ................................................. 42 CHECK BEFORE STARTING ......................................... 43 WALK-AROUND CHECK ......................................... 43 CHECK MONITOR PANEL ....................................... 43 CHECK AND REFILL COOLANT .................................. 44 CHECK OIL LEVEL AND REFIL IN THE ENGINE OIL PAN............ 44 CHECK FUEL LEVEL AND REFILL FUEL .......................... 45 CHECK AIR CLEANER SERVICE INDICATOR ....................... 45 DRAIN WATER FROM AIR TANK.................................. 46 CHECK FOR SEDIMENT AND WATER IN THE WATER SEDIMENTOR ...... 46 FUEL-WATER SEPARATOR - DRAINING WATER AND SEDIMENT ........ 47 DRIVE BELT - INSPECTION ................................... 47 FAN - INSPECTlON .......................................... 47 OPERATlNG YOUR MACHINE ........................................ 49 BEFORE STARTING THE ENGINE ................................ 49 TO START THE ENGINE........................................ 50 SPECIAL STARTING....................................... 50 CHECKS AFTER STARTING...................................... 51 TO MOVE THE MACHINE OFF.................................... 51 CHANGING GEAR SPEED........................................ 52 CHANGING DIRECTION......................................... 53 TURNING.................................................... 53 TO STOP THE MACHINE........................................ 54 TO STOP THE ENGINE......................................... 55 MAXIMUM DEPTH OF WATER..................................... 55 IF WHEEL BRAKE DOES NOT WORK............................... 55 PRECAUTIONS WHEN DRIVING UP OR DOWN SLOPES................. 56 LOWER THE CENTER OF GRAVI-IY WHEN TURNING.............. 56 BRAKING ON DOWNHU SL;OPES.............................. 56 IF ENGINE STOPS........................................ 56 PROPER BUCKET AND TIRE..................................... 57 ADJUSTMENT OF WORK EQUIPMENT................................... 58 ADJUSTING BOOM KICKOUT..................................... 58 ADJUSTING BUCKET POSITIONER................................ 59 BUCKET LEVEL INDICATOR..................................... 59 HANDLING THE TIRES............................................. 60 PRECAUTIONS WHEN HANDLING ilRES............................ 60 PRECAUTIONS WHEN DRIVING MACHINE........................... 61 TIRE PRESSURE.............................................. 62 INFLATING TIRES........................................ 62 TOWING......................................................... 64 TOWING THE MACHINE......................................... 64 WHEN ENGINE CAN BE USED................................ 64 WHEN ENGINE CANNOT BE USED............................. 64 RELEASING PARKING BRAKE.................................... 65 COLD WEATHER OPERATION......................................... 66 PREPARATION FOR LOW TEMPERATURE............................ 66 FUEL AND LUBRICANTS.................................... 66 COOLANT................................................ 66 BATTERY................................................ 66 STARTING IN COLD WEATHER................................... 67 CAUTIONS AFTER COMPLETION OF WORK.......................... 68 AFTER COLD WEATHER......................................... 68 MAINTENANCE........................................................ 69 PERIODIC MAINTENANCE........................................... 70 BLEEDING AIR FROM CIRCUIT...................................... 70 BLEEDING AIR FROM HYDRAULIC CIRCUIT........................ 70 BLEEDING AIR FROM FUEL SYSTEM.............................. 71 LOW PRESSURE LINES AND FUEL FILTER(S) VENTING.......... 71 HIGH PRESSURE LINES-VENTING............................ 71 PERIODICAL PART REPLACEMENT ................................... 72 MAINTENANCE TABLE.............................................. 73 OIL FILLER AND LEVEL GAUGE POSITIONS .......................... 77 CHECK BEFORE STARTING ......................................... 78 EVERY 50 HOURS SERVICE ........................................ 78 FUEL TANK ................................................. 78 TIRE ...................................................... 78 EVERY 100 HOURS SERVICE ....................................... 79 HYDRAULIC TANK ............................................ 79 LUBRICATING ............................................... 79 AIR CONDITIONER FILTER-IF EQUIPPED ........................ 80 INITIAL 250 HOURS SERVICE ..................................... 80 TRANSMlSSlON OIL FILTER ................................... 80 EVERY 250 HOURS SERVICE........................................ 81 ENGINE OIL PAN AND FfLTER.................................. 81 AIR INTAKE SYSTEM - INSPECTION ............................ 82 AIR CONDlTlONER COMPRESSOR BELT-IF EQUIPPED ............... 82 WHEEL HUB NUTS ............................................ 83 LUBRICATING ............................................... 84 CHECK ELECTROLYTE LEVEL IN BATTERY ........................ 86 EVERY 500 HOURS SERVICE ....................................... 87 FUEL FILTERS .............................................. 87 TRANSMISSION OIL FILTER ................................... 88 LUBRICATING ............................................... 88 AIR DRYER ................................................. 88 ANTIFREEZE CONCENTRATION - CHECK .......................... 89 COOLANT ADDITIVE CONCENTRATION ............................ 89 COOLANT FILTER ............................................ 90 EVERY 1000 HOURS SERVICE....................................... 91 TRANSMISSION CASE AND STRAINER ............................ 91 TRANSMISSION CASE BREATHER ................................ 92 LUBRICATING ............................................... 93 ENGINE VALVES ............................................. 94 DRIVE BELT TENSION - CHECK ................................ 98 DRIVE BELT, TENSIONER BEARING AND FAN HUB - INSPECTION .... 99 EVERY 2000 HOURS SERVICE ......................................101 HYDRAULIC TANK AND FILTER .................................101 HYDRAULlC TANK BREATHER ...................................102 DRIVE AXLES ...............................................103 AIR CONDITIONER FILTER - IF EQUIPPED ......................104 BRAKE DISC ................................................104 INTERNAL PART OF AIR DRYER ................................104 COOLANT CHANGE AND FLUSHING THE SYSTEM ....................105 COOLANT................................................105 DCA4 UNIT MAINTENANCE GUIDE............................105 VlBRATlON DAMPER - INSPECTION. ............................109 AIR COMPRESSOR - INSPECTlON ...............................109 AIR COMPRESSOR DISCHARGE - INSPECTION..................110 AIR COMPRESSOR lNTAKE - INSPECTION ....................111 WHEN REQUIRED .................................................113 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT ..............113 CHECKING...............................................113 CLEANING OR REPLACING OUTER ELEMENT....................113 REPLACING INNER ELEMENT................................114 CLEANING OUTER ELEMENT ................................114 CHECK AND REFILL TRANSMISSION OIL .........................115 CLEAN RADlATOR TIRES.......................................116 CHECK AND REFILL DRIVE AXLE OIL ...........................116 CLEAN DRIVE AXLE HOUSING BREATHER .........................117 CLEAN AIR CONDlTlONER CONDENSER-IF EQUIPPED ...............117 CHECK AIR CONDlTlONER REFRIGERANT CHARGE-IF EQUIPPED ......118 LUBRICATING ...............................................119 CHECK AND REFILL WINDOW WASHING FLUID .....................119 WATER SEDIMENTOR ..........................................120 REPLACING BUCKET TEETH ....................................120 IF THE BUCKET IS EQUIPPED WITH BOLT-ON TOOTH ..........120 IF THE BUCKET IS EDUIPPED WITH BOLT-ON TOOTH ..........121 IF THE BUCKET IS EQUIPPED WITH TIP TOOTH ..............121 ADJUSTMENT.....................................................122 ADJUSTING PARKING BRAKE ...................................122 ADJUSTING LENGTH OF LEVER .................................123 TROUBLE SHOOTING GUIDE ........................................124 ELECTRICAL SYSTEM .........................................124 ENGINE ....................................................125 CHASSIS....................................................126 TRANSMISSION...........................................126 AXLE...................................................126 DISC BBAKE.............................................126 PARKlNG BRAKE..........................................127 STEERING...............................................127 HYDRAULIC SYSTEM.......................................127 SERVICE METER..................................................128 MACHINE AND ENGINE SERIAL NUMBERS..............................128 FUEL, COOLANT AND LUBRICANTS...................................129 MEMORANDA......................................................134 SAFETY AND OPERATION...............................................135 SAFETY HINTS...................................................136 OPERATION..................................................136 GENERAL................................................136 CHECKING JOBSITE CONDITIONS............................138 BEFORE STARTING OPERATION..................................139 CHECK BEFORE STARTING..................................139 PRECAUTIONS WHEN GETTING ON THE MACHINE................141 PRECAUTIONS WHEN STARTING THE ENGINE...................141 CHECKS AFTER STARTING THE ENGINE.......................142 DURING OPERATION...........................................142 ATTENTlON TO SURROUNDINGS..............................143 RESTRICTIONS CREATED BY JOBSITE........................145 PARKING....................................................147 PRECAUTIONS FOR MAINTENANCE....................................148 GENERAL....................................................148 BEFORE MAINTENANCE.........................................150 DURING MAINTENANCE.........................................151 MISCELLANEOUS..............................................152 BUCKET OPERATION...............................................153 EXCAVATION.................................................153 PRECAUTIONS WHEN SCOOPING UP MATERIALS.................156 LEVELING...................................................156 LOAD AND CARRY OPERATIONS..................................157 LOADING....................................................157 CROSS DRIVE LOADING....................................157 V-SHAPE LOADING........................................157 OPERATING THE CAB HEATER.......................................158 EQUIPMENT ON CONTROL PANEL.................................158 FAN SPEED SWITCH.......................................158 TEMPERATURE CONTROL LEVER..............................158 AIR INTAKE SELECTOR LEVER..............................158 METHOD OF OPERATlON............................................159 OPERATING THE AIR CONDITIONER-IF EQUIPPED......................160 EQUIPMENT ON CONTROL PANEL.................................160 FAN SPEED SWITCH.......................................160 AIR CONDITIONER SWITCH.................................160 AIR INTAKE SELECTOR LEVER..............................160 TEMPERATURE CONTROL LEVER..............................161 PRECAUTIONS FOR USING AIR CONDITIONER’.................162 HANDLING THE AIR CONDITIONER IN SEASON.................162 HANDLING THE AIR CONDITIONER IN OFF-SEASONS............162 LOCKING CAP....................................................163 HANDLING OF BATTERY............................................164 PRECAUTIONS FOR CHARGING BATTERY...........................164 REMOVAL AND INSTALLATION OF BATTERY........................164 STARTING ENGINE WITH A BOOSTER CABLE.......................165 TRANSPORTATION.................................................166 STORAGE........................................................167 BEFORE STORAGE.............................................167 DURING STORAGE.............................................168 AFTER STORAGE..............................................168 COOLANT AND LUBRICANTS.........................................169 MEMORANDA......................................................170
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
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