Komatsu D31EX-21, Operation & Maintenance Manual, Page: 20 / 256

SAFETY
SAFETY
2-2
SAFETY 2
SAFETY LABELS................................................................................................................................................ 2-4 2
POSITION OF SAFETY PICTOGRAMS...................................................................................................... 2-4 2
SAFETY LABELS......................................................................................................................................... 2-5 2
GENERAL PRECAUTIONS
Safety rules ................................................................................................................................................ 2-10 2
If abnormalities are found........................................................................................................................... 2-10 2
Clothing and personal protective items ...................................................................................................... 2-10 2
Fire extinguisher and first aid kit ................................................................................................................ 2-10 2
Safety features ........................................................................................................................................... 2-11 2
Keep machine clean................................................................................................................................... 2-11 2
Inside operator's compertment................................................................................................................... 2-11 2
Always apply lock when leaving operator's seat ........................................................................................ 2-11 2
Handrails and steps ................................................................................................................................... 2-12 2
Mounting and dismounting ......................................................................................................................... 2-13 2
No people on attachment ........................................................................................................................... 2-13 2
Crushing or cutting prevention ................................................................................................................... 2-13 2
Prevention of burns .................................................................................................................................... 2-13 2
Fire prevention ........................................................................................................................................... 2-14 2
Action if fire occurs..................................................................................................................................... 2-15 2
Window washer liquid ................................................................................................................................ 2-15 2
Precautions when using ROPS (Roll Over Protective Structure)............................................................... 2-15 2
Precautions for attachments ...................................................................................................................... 2-15 2
Unauthorized medification.......................................................................................................................... 2-15 2
Safety at worksite....................................................................................................................................... 2-16 2
Working on loose ground ........................................................................................................................... 2-16 2
Do not go close to high-voltage cables ...................................................................................................... 2-16 2
Ensure good visibility ................................................................................................................................. 2-17 2
Ventilation for enclosed aresa.................................................................................................................... 2-17 2
Checking signalman's signals and signs.................................................................................................... 2-17 2
Emergency exit from operator's cab .......................................................................................................... 2-17 2
Be careful about asbestos dust.................................................................................................................. 2-18 2
PRECAUTIONS FOR OPERATIONS ............................................................................................................... 2-19 2
STARTING ENGINE .................................................................................................................................. 2-19 2
Checks before starting engine ............................................................................................................ 2-19 2
Precautions when starting................................................................................................................... 2-19 2
Precautions in cold areas.................................................................................................................... 2-20 2
OPERATION .............................................................................................................................................. 2-21 2
Checks before operation..................................................................................................................... 2-21 2
Precautions for moving machine forward or in reverse....................................................................... 2-21 2
Precautions when traveling................................................................................................................. 2-21 2
Traveling on slopes............................................................................................................................. 2-22 2
Using brakes ....................................................................................................................................... 2-22 2
Operate carefully on snow .................................................................................................................. 2-23 2
Parking machine ................................................................................................................................. 2-23 2
TRANSPORTATION .................................................................................................................................. 2-24 2
Loading and unloading........................................................................................................................ 2-24 2
Shipping .............................................................................................................................................. 2-24 2
BATTERY................................................................................................................................................... 2-25 2
Battery hazard prevention................................................................................................................... 2-25 2
Starting with booster cable.................................................................................................................. 2-26 2
TOWING .................................................................................................................................................... 2-27 2
When towing ....................................................................................................................................... 2-27 2