Komatsu — 2.3. OPERATING THE MACHINE

SECTION 2 SAFETY PRECAUTIONS Page 4 2.2. BEFORE STARTING THE ENGINE Never start the engine indoors unless proper exhaust ventilation is provided to remove deadly exhaust gases. Once the engine is operating, move the machine outdoors as soon as possible. Perform a visual check of the machine before starting the engine. Look for such things as improper fluid levels, oil leaks, lack of safety equipment, concentration of dirt and loose, damaged or missing parts. Do not start the engine until any unsafe conditions are corrected. Be sure all filler caps, dipsticks, plugs, latches, service doors, etc. are secure before starting.

Walk completely around the machine before entering the operator's compartment, clear the immediate area surrounding the machine of personnel and obstructions. Know the alternative exit route from the operator's compartment for use in an emergency. Sit in the operator's seat before starting the engine. Keep hands and footwear free of grease, water and mud to insure positive control movement. Before starting the engine or when the machine is standing with the engine running idle; lock the transmission shift lever in neutral (N), apply the parking brake, and lower the bucket if raised. Before operating the machine, check that the frame locking bar and pin are stowed on the rear frame.

Broken or lost frame locking bar and pin should be repaired or replaced immediately so that this device is always available for use. When using a booster battery and jumper cables, switch off the master switch, then connect the positive terminal on the booster battery to the positive terminal of the battery on the machine. Connect the negative terminal on the booster battery to the negative terminal of the battery on the machine. 2.3. OPERATING THE MACHINE Release the parking brake before moving the machine. The brake could burn or be damaged if the machine is driven with the brake applied. Before driving the machine, adjust the seat and fasten the seat belt.

Never wear the seat belt across the abdomen. Always carefully check overhead clearance before operating in areas with overhead obstructions such as guy wires, power lines, bridges, tree branches and building doors). Do not smoke when using the ether injector. Do not use the ether injector when the air temperature is above freezing. Follow the correct method for starting the engine. Before moving the machine, sound the horn to warn the nearby personnel. Check the brakes, steering and attachment controls. All systems must be fully operative. After starting and while operating, observe instruments and warning lights frequently. Investigate any unusual indications or noises in the machine.

OM515C520C99/1E DRESSTA