Komatsu — OPERATING INSTRUCTIONS

AFTER ENGINE HAS STARTED 1. Become thoroughly familiar with steering and emergency controls. Test the truck steering in extreme right and left directions. If the steering system is not operating properly, shut engine down immediately. Determine the steering system problem and have repairs made before resuming operation. 2. Operate each of the truck’s brake circuits at least twice prior to operating and moving the truck. These circuits include individual activation of the service brake, parking brake, brake lock (and emergency brake if equipped) from the operator’s cab.

Activate each circuit individually with the engine running and with hydraulic circuit (air circuit if truck is equipped with air/hydraulic brakes) fully charged. If any application or release of any brake circuit does not appear proper or if sluggishness is apparent on application or release, shut the engine down and notify maintenance personnel. Do not operate truck until brake circuit in question is fully operational. 3. Check gauges, warning lights and instruments before moving the truck to insure proper system operation and proper instrument functioning. Give special attention to braking and steering circuit warning lights.

If warning lights come on, shut down the engine immediately and determine the cause. 4. Insure headlights, worklights and taillights are in proper working order. Good visibility may prevent an accident. Check operation of windshield wiper. 5. When truck body is in dump position, do not allow anyone beneath it unless body-up retaining pin or cable is in place. 6. Do not use the fire extinguisher for any purpose other than putting out a fire! If extinguisher is discharged, report the occurrence so the used unit can be refilled or replaced. 7. Do not allow unauthorized personnel to ride in the truck. Do not allow anyone to ride on the ladder or on the deck of the truck. 8.

Do not leave truck unattended while engine is running. Shut down engine before getting out of cab. HB6004 4/94 Operating Instructions HB6-3