Komatsu — Contents

Contents FOREWORD Table to enter serial No. and distributor Load and carry operations ........................................................................................................................ 3-87 Loading operations ................................................................................................................................... 3-88 Precautions for operation............................................................................................................................... 3-90 Permissible water depth............................................................................................................................

3-90 If wheel brake does not work .................................................................................................................... 3-90 Precautions when driving up or down slopes............................................................................................ 3-90 Adjusting work equipment posture................................................................................................................. 3-91 Adjusting boom kickout .............................................................................................................................

3-91 Adjusting bucket positioner....................................................................................................................... 3-92 Adjusting fork positioner............................................................................................................................ 3-93 Bucket level indicator ................................................................................................................................ 3-93 Parking machine ............................................................................................................................................

3-94 Check after stopping engine .......................................................................................................................... 3-96 Checks after completion of operation............................................................................................................. 3-96 Locking........................................................................................................................................................... 3-96 Handling the tires ...........................................................................................................................................

3-97 Precautions when handling tires ............................................................................................................... 3-97 Tire pressure............................................................................................................................................. 3-97 Precautions for using load and car method .............................................................................................. 3-98 Transportation ...................................................................................................................................................

3-99 Transportation procedure............................................................................................................................... 3-99 Loading, unloading work with trailers............................................................................................................. 3-99 Loading ..................................................................................................................................................... 3-99 Securing machine ...................................................................................................................................

3-100 Unloading................................................................................................................................................ 3-101 Lifting machine............................................................................................................................................. 3-102 Location of lifting position mark............................................................................................................... 3-103 Lifting procedure .....................................................................................................................................

3-104 Cold weather operation .................................................................................................................................. 3-105 Precautions for low temperature .................................................................................................................. 3-105 Fuel and lubricants.................................................................................................................................. 3-105 Coolant....................................................................................................................................................

3-105 Battery..................................................................................................................................................... 3-106 Precautions after completion of work........................................................................................................... 3-107 After cold weather ........................................................................................................................................ 3-107 Warming-up operation for steering hydraulic circuit in cold weather............................................................

3-107 Long-term storage .......................................................................................................................................... 3-108 Before storage.............................................................................................................................................. 3-108 During storage.............................................................................................................................................. 3-108 After storage.................................................................................................................................................

3-108 Troubleshooting .............................................................................................................................................. 3-109 When machine runs out of fuel .................................................................................................................... 3-109 Towing the machine..................................................................................................................................... 3-109 When engine can be used ......................................................................................................................

3-110 When engine cannot be used ................................................................................................................. 3-110 If battery is discharged................................................................................................................................. 3-111 Removal and installation of battery......................................................................................................... 3-111 Precautions for charging battery .............................................................................................................

3-112 Starting engine with booster cable.......................................................................................................... 3-112 Other trouble ................................................................................................................................................ 3-114 Electrical system ..................................................................................................................................... 3-114 Chassis ...................................................................................................................................................

3-115 Engine..................................................................................................................................................... 3-117 MAINTENANCE Guides to maintenance ....................................................................................................................................... 4-2 1-12 WA250PZ-5 – VEAM945101