Komatsu PC450-8 Operation & Maintenance Manual page 18

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CONTENTS
Releasing Hydraulic Pressure With Accumulator .......................................................................... 3-110
MACHINE OPERATIONS AND CONTROLS................................................................................................... 3-111
BEFORE STARTING ENGINE ............................................................................................................... 3-111
Walk-around Checks ..................................................................................................................... 3-111
Checks Before Starting .................................................................................................................. 3-112
Adjustment..................................................................................................................................... 3-119
Seat Belt ........................................................................................................................................ 3-125
Operations Before Starting Engine ................................................................................................ 3-126
STARTING ENGINE ............................................................................................................................... 3-128
AFTER STARTING ENGINE .................................................................................................................. 3-131
Engine Warm Up ........................................................................................................................... 3-131
Hydraulic Equipment Warm Up ..................................................................................................... 3-133
Operation After Completion Of Warm-Up Operation ..................................................................... 3-139
STOPPING THE ENGINE ...................................................................................................................... 3-141
MACHINE OPERATION ......................................................................................................................... 3-142
Preparations for Moving the Machine ............................................................................................ 3-142
Moving Machine Forward .............................................................................................................. 3-143
Moving Machine Backward ............................................................................................................ 3-144
Stopping Machine .......................................................................................................................... 3-145
STEERING THE MACHINE .................................................................................................................... 3-146
Steering ......................................................................................................................................... 3-146
SWINGING ............................................................................................................................................. 3-148
WORK EQUIPMENT CONTROLS AND OPERATIONS ........................................................................ 3-149
WORKING MODE................................................................................................................................... 3-151
PROHIBITED OPERATIONS ................................................................................................................. 3-153
GENERAL OPERATION INFORMATION .............................................................................................. 3-157
TRAVELING ON SLOPES...................................................................................................................... 3-159
ESCAPE FROM MUD............................................................................................................................. 3-161
Track on One Side Stuck ............................................................................................................... 3-161
Tracks on Both Sides Stuck........................................................................................................... 3-161
RECOMMENDED APPLICATIONS ........................................................................................................ 3-162
Backhoe Work ............................................................................................................................... 3-162
Shovel Work .................................................................................................................................. 3-162
Ditching Work ................................................................................................................................ 3-162
Loading Work................................................................................................................................. 3-163
BUCKET REPLACEMENT AND INVERSION ........................................................................................ 3-164
Replacement.................................................................................................................................. 3-164
Inversion ........................................................................................................................................ 3-165
PARKING MACHINE .............................................................................................................................. 3-166
MACHINE INSPECTION AFTER DAILY WORK .................................................................................... 3-168
LOCKING................................................................................................................................................ 3-168
TRANSPORTATION......................................................................................................................................... 3-169
TRANSPORTATION PROCEDURE ....................................................................................................... 3-169
LOADING AND UNLOADING WITH TRAILER ...................................................................................... 3-170
Loading .......................................................................................................................................... 3-171
Securing Machine .......................................................................................................................... 3-173
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