OM3023 10/00 Operation - Section 3 Operating Instructions Page 3-7 AFTER ENGINE HAS STARTED After starting engine, operate engine at approximately 1000 rpm, coolant temperature gauge is indicating "normal" (green) range. With the machine on flat ground, check that the air pressure gauge is indicating "normal" (green) range. 4. Check Parking Brake capacity. Check also that the air pressure gauge is indicating "normal" (green) range. Move the Parking Brake Valve Lever to the PARKING ("locked") position. Become thoroughly familiar with steering, braking, and emergency controls. Move the Shift Lever to any position other than "N", and check that the central warning lamp flashes.
During the following safety checks, if actuation or release of any steering, brake, or emergency control circuit does not appear normal, shut engine down immediately and notify mainte- nance personnel. Set shift lever to the D position, and gradually raise the engine speed to 1770 rpm. Check that the machine does not move.If machine moves, notify maintenance personnel to adjust parking brake. Do not operate truck until parking brake is fully operational. Do not operate truck until circuit in question is fully operational. 5. Check for normal actuation of the Emer- gency Brake. 1. Test the truck steering in extreme right and left directions. 2. Check for normal actuation of the foot brake.
With the machine on flat ground, verify the air pressure gauge is indicating "normal" (green) range. With the machine on flat ground, depress Foot Brake pedal . Move the Emergency Brake Lever to the BRAKE ("unlocked") position. Set Shift Lever to the D position, and gradually raise the engine speed to full throttle. Check that the machine does not move. If machine moves, notify maintenance personnel immediately to repair brakes. Move Shift Lever to the D position, and gradually raise the engine speed to 1680 rpm. Check that the machine does not move. 3. Check for normal actuation of the retarder. Do not operate truck until emergency brake is fully operational.
With the machine on flat ground, pull Retarder Lever (1) fully. 6. 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 notify maintenance personnel to determine the cause. Set Shift Lever (2) to the D position, and gradually raise the engine speed to 1240 rpm. 7. Insure headlights, worklights and taillights are in proper working order. Good visibility may pre- vent an accident. Check operation of windshield wiper and washer. Check that the machine does not move. 8.
When truck body is in dump position, do not allow anyone beneath it, unless body-up retain- ing device is in place.