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6D125E-7 ENGINE This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in accordance with written authorization from Komatsu America Corp. 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 install such changes on products sold previously.
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FOREWORD CALIFORNIA CALIFORNIA Proposition 65 Warning Proposition 65 Warning Diesel engine exhaust and some of its Battery posts, terminals and related accessories contain lead constituents are known to the State and lead compounds, chemicals of California to cause cancer, birth known to the State of California d ef e c ts, and other re produ ctive to cause cancer, birth defects and reproductive harm.
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Keep it in the storage door (1) beside the shoes box 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 serial No. immediately to arrange for its replacement.
FOREWORD SAFETY INFORMATION SAFETY INFORMATION To enable you to use the machine safely, and to prevent personal injury to operators, service personnel or by- standers, the precautions and warnings included in this manual and the safety signs attached to the machine must always be observed.
INTRODUCTION FOREWORD INTRODUCTION MAIN USE OF MACHINE This Komatsu machine is designed to be used mainly for the following work: • Digging work • Leveling work • Dozing work • Loading work For details of the work procedure, see “RECOMMENDED APPLICATIONS”.
Catalytic Reduction (SCR) to conform EPA Tier4 Final emission regulation in North America. • Komatsu Diesel Particulate Filter (KDPF): A device which captures diesel particular matter or soot in the exhaust gas to purify exhaust gas. If soot is accumulated to a certain level in the filter, a purification process to burn the soot is performed automatically to keep the filtering performance of KDPF high.
PRODUCT INFORMATION FOREWORD PRODUCT INFORMATION When requesting service or ordering replacement parts, inform your Komatsu distributor of the following items. LOCATION OF PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERI- AL NO. PLATE This is located at the center of the front frame on the right side of the machine.
FOREWORD PRODUCT INFORMATION SERVICE METER LOCATION It is at the 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 personnel Find manuals at https://best-manuals.com...
TABLE OF CONTENTS FOREWORD TABLE OF CONTENTS FOREWORD..............................1-1 READ THIS MANUAL ..........................1-2 SAFETY INFORMATION .......................... 1-3 INTRODUCTION ............................1-4 MAIN USE OF MACHINE ........................1-4 DIRECTIONS OF MACHINE......................1-4 VISIBILITY FROM OPERATOR'S SEAT .................... 1-4 ENGINE TECHNOLOGY TO CONFORM EXHAUST GAS EMISSION ............. 1-5 PRODUCT INFORMATION........................
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OTHER TROUBLE......................... 3-240 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..................
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EVERY 8000 HOURS MAINTENANCE ................... 4-75 EVERY 9000 HOURS MAINTENANCE ................... 4-75 SPECIFICATIONS ............................5-1 SPECIFICATIONS ............................ 5-2 SPECIFICATIONS: WA470-8......................5-2 ATTACHMENTS AND OPTIONS ........................6-1 BUCKET AND TIRE SELECTION......................6-2 HANDLE JOYSTICK STEERING SYSTEM ....................6-3 EXPLANATION OF COMPONENTS IN JOYSTICK STEERING SYSTEM......... 6-3 FUNCTION AND STRUCTURE OF JOYSTICK STEERING SYSTEM..........
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TABLE OF CONTENTS RECOMMENDED FUEL, COOLANT, AND LUBRICANT ................7-5 LUBRICATION CHART ........................7-6 METHOD FOR USING FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERA- TURE ............................. 7-8 RECOMMENDED BRANDS AND QUALITIES OTHER THAN KOMATSU GENUINE OILS ....7-9 INDEX................................8-1 1-11...
SAFETY Please 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 strictly.
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SAFETY SAFETY SAFETY SAFETY LABELS ............................2-4 LOCATION OF SAFETY LABELS......................2-5 CONTENTS OF SAFETY LABELS ......................2-7 GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE ........... 2-15 PRECAUTIONS BEFORE STARTING OPERATION................2-15 ENSURE SAFE OPERATION ......................2-15 UNDERSTAND THE MACHINE ....................... 2-15 PREPARATIONS FOR SAFE OPERATION ....................
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SAFETY SAFETY PRECAUTIONS WHEN LOADING AND UNLOADING ..............2-31 TOWING AND BEING TOWED....................... 2-32 PRECAUTIONS FOR TOWING AND BEING TOWED..............2-32 PRECAUTIONS FOR MAINTENANCE ......................2-33 PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE .......... 2-33 DISPLAY WARNING TAG DURING INSPECTION AND MAINTENANCE ........2-33 KEEP WORK PLACE CLEAN AND TIDY ..................
If the safety labels are damaged, lost, or cannot be read properly, replace them with new ones. For details of the part numbers for the safety labels, see this manual or the actual label, and place an order to your Komatsu distributor. •...
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SAFETY LABELS SAFETY 1. Caution before operating 7. Caution for emergency release of parking brake 2. Caution when leaving operator's seat 8. Caution for high-temperature coolant 3. Caution when traveling in reverse 9. Caution for high temperature oil and hydraulic oil 4.
SAFETY SAFETY LABELS 13. Prohibition of getting on or off fender 21. Caution for high-pressure common rail 14. Caution while engine is running 22. Parking brake emergency release valve 15. Caution for nearing machine 23. Emergency escape 16. Prohibition of entering beneath work equipment 24.
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SAFETY LABELS SAFETY Caution when traveling in reverse “09802–33000” Caution for electric cables “09801–63002”...
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SAFETY SAFETY LABELS Prohibition of trespassing “09162-23000” Caution for frame lock bar “09161-23000” Caution for emergency release of parking brake “421-93-51190” Caution for high-temperature coolant “09668-03001”...
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SWALLOWED,INHALED, or IN EYE: immediately call a POISON CENTER or consult doctor/physician. if on CLOTHES or SKIN: wash immediately with water. Komatsu America Corp.1701 Golf Rd. Rolling Meadows,IL 60008.(731)635 6321 09664-30014 Caution for explosion “09659-53000”...
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SAFETY SAFETY LABELS Caution while engine is running “09667-03001” Caution for nearing machine “09812-13000” Prohibition of entering beneath work equip- ment “09807-C0883” Caution for modification of ROPS “09620-A2001” “09620-A2171” 2-11...
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SAFETY LABELS SAFETY Prohibition of start by short-circuiting “09842-A0481” Caution for high-temperature turbocharger “09817-A0753” Caution for hot exhaust pipe “09817-A0753” 2-12...
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SAFETY LABELS SAFETY Caution for blast site (Machines equipped with KOMTRAX) “09845-13000” Caution when traveling in reverse (Machine with rearview camera) “09833-33000” Caution for handling DEF “09632-31800” 2-14...
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE- SAFETY NANCE GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE Mistakes in operation, inspection, or maintenance may result in serious personal injury or death. Before per- forming operation, inspection, or maintenance, always read this manual and the safety labels on the machine carefully and obey the warnings.
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTE- NANCE SAFETY • If water gets into the electrical system, electric devices will cause malfunctions, and the machine will cause error. If the machine cause error, it may move unexpectedly and cause serious personal injury or death. When washing the machine with water or steam, do not allow the water or steam to come into direct contact with electrical compo- nents.
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