Contents - Komatsu WA250PT-5H Operation & Maintenance Manual

Contents

Character display portion .......................................................................................................................... 3-10
Emergency stop item ................................................................................................................................ 3-14
Caution items ............................................................................................................................................ 3-16
Warning/limit functions for travel speed .................................................................................................... 3-18
Inspection and maintenance item ............................................................................................................. 3-19
Pilot display portion................................................................................................................................... 3-21
Meter display portion................................................................................................................................. 3-24
Other functions of machine monitor .......................................................................................................... 3-26
Switches......................................................................................................................................................... 3-30
Control levers, pedals .................................................................................................................................... 3-38
Steering tilt lock lever ..................................................................................................................................... 3-41
Cap and cover with lock ................................................................................................................................. 3-42
Safety bar....................................................................................................................................................... 3-43
Towing pin...................................................................................................................................................... 3-43
Grease pump ................................................................................................................................................. 3-43
Cab door inner lock ........................................................................................................................................ 3-44
Cab door open lock ........................................................................................................................................ 3-44
Cab window open lock cancel knob ............................................................................................................... 3-44
Fuse ............................................................................................................................................................... 3-45
Fuse capacity and name of circuit ............................................................................................................ 3-45
Slow blow fuse ............................................................................................................................................... 3-46
Power outlet ................................................................................................................................................... 3-47
Air conditioner ................................................................................................................................................ 3-48
General locations and function of control panel ........................................................................................ 3-48
Method of operation .................................................................................................................................. 3-51
Precautions when using............................................................................................................................ 3-52
Handling cab wiper......................................................................................................................................... 3-53
Preventing damage to wiper arm bracket ................................................................................................. 3-53
Operation ........................................................................................................................................................... 3-54
Check before starting engine, adjust.............................................................................................................. 3-54
Walk-around check ................................................................................................................................... 3-54
Check before starting ................................................................................................................................ 3-57
Adjustment ................................................................................................................................................ 3-62
Operations and checks before starting engine ......................................................................................... 3-66
Starting engine ............................................................................................................................................... 3-68
Operations and checks after starting engine.................................................................................................. 3-70
Breaking-in the machine ........................................................................................................................... 3-70
Normal operation ...................................................................................................................................... 3-70
Stopping engine ............................................................................................................................................. 3-72
Moving the machine (Directional, speed), stopping the machine................................................................... 3-73
Moving the machine.................................................................................................................................. 3-73
Changing direction .................................................................................................................................... 3-75
Stopping the machine ............................................................................................................................... 3-78
Turning ........................................................................................................................................................... 3-79
Emergency steering .................................................................................................................................. 3-79
Operation of work equipment ......................................................................................................................... 3-80
Handling hydraulic quick coupler ................................................................................................................... 3-81
Installing the attachment ........................................................................................................................... 3-81
Removal and installation of the attachment .............................................................................................. 3-83
Precautions for use ................................................................................................................................... 3-83
Precautions when removing the attachment............................................................................................. 3-83
Work possible using wheel loader.................................................................................................................. 3-84
Digging operations .................................................................................................................................... 3-84
Leveling operations................................................................................................................................... 3-86
Pushing operation ..................................................................................................................................... 3-86
Load and carry operations ........................................................................................................................ 3-86
Loading operations ................................................................................................................................... 3-87
Precautions for operation ............................................................................................................................... 3-89
Permissible water depth............................................................................................................................ 3-89
1-10
FOREWORD