Komatsu — CONTENTS

CONTENTS BEFORE CONNECTING BOOSTER CABLES. .......................................... 2-72 CONNECTING BOOSTER CABLES .................................................. 2-72 STARTINGENGINE ............................................................... 2-72 DISCONNECTING BOOSTER CABLES ............................................... 2-73 TROUBLESHOOTING .................. ELECTRICAL SYSTEM .............. ENGINE.. ........................ CHASSIS ......................... TRANSMISSION ................ DRIVE AXLES .................. WHEEL BRAKES ............... PARKING BRAKE ............... STEERING .................... EQUIPMENT HYDRAULIC SYSTEM ......... 2-74 ......... 2-74 .........

2-74 ......... 2-75 ......... 2-75 ......... 2-75 ......... 2-75 ......... 2-75 ......... 2-75 ......... 2-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MAINTENANCE -- SECTION 3 PERIODIC MAINTENANCE . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 MAINTENANCE GUIDELINES . . . . . . . _ . . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . 3-2 OUTLINES OF SERVICE ................ LUBRICATION WHEN SHIPPED ......

RELATING TO ENGINE ............. ENGINE OIL ................... COOLANT ..................... DIESEL FUEL .................. RELATING TO HYDRAULIC SYSTEM . RELATING TO ELECTRICAL SYSTEM . RELATING TO LUBRICATION ........ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . * . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......... 3-4 . . .......... 3-4 . .......... 3-4 . .......... 3-4 . . .......... 3-5 . . .......... 3-5 . . .......... 3-5 . . .......... 3-5 . . .......... 3-6 . . WEAR PARTS REPLACEMENT . . . . . . . . . . . _ . _ . . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . . . .

3-7 PERIODICAL PART REPLACEMENT . . . _ . . . . . . . . . . . . . . . _ . . . . . . . _ . . . . . . . . . . . . . . . . . . . 3-8 LUBRICANTS, FUEL AND COOLANT .............................. PROPER SELECTION TABLE ................................. ENGINEOIL ............................................ Normal Operation ....................................... Arctic Operation ........................................ TRANSMISSION, HYDRAULIC SYSTEM AND BRAKE SYSTEM OIL AXLEOIL .............................................. GREASE ............................................... DIESEL FUEL ........................................... COOLANT.. ............................................ . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 3-9 ‘3-10 3-l 0 3-l 0 3-l 1 3-l 1 3-l 1 3-l 1 3-l 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SCHEDULED MAINTENANCE GUIDE . . _ . . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . . 3-17 FILLER AND LEVEL GAUGE POSITIONS . . . . . . . . . . . . . . . . . . . . . . . _ . . . . . . . . . . . . . . . . 3-22 INITIAL 250 HOURS SERVICE ONLY ........................................................ 3-24 TRANSMISSION OIL FILTER ........................................................... 3-24 O-l 0