OM3023 10/00 Operation - Section 3 Operating Instructions Page 3-5 ENGINE START-UP SAFETY PRACTICES Safety rules must be observed upon engine start-up. Check that the Central Warning Lamp and all monitor lamps and gauges, light up for approximately 3 seconds and that the alarm buzzer sounds for approximately 2 seconds. Insure adequate ventilation before start-up, if the truck is in an enclosure. Exhaust fumes are dan- gerous! The speedometer should display "88". If the air pressure is below normal operating pressure, the central warning lamp should flash and the buzzer should sound. 1. Insure all personnel are clear of truck before starting engine.
Always sound the horn as a warning before actuating any operational con- trols. If the Shift Lever is not at the "N" position , the central warning lamp will flash and the alarm buzzer will sound intermittently. When the shift lever is moved to the "N" position, the lamp will go out and the buzzer will stop. 2. Check and insure Transmission Range Selector is in the "Neutral" position before starting. 3. In cold weather, if truck is equipped with auxil- iary heaters, do not attempt to start engine while heaters are in operation. Damage to cool- ant heaters will result, due to lack of circulation. 4. The key switch has three posi- tions: Off, On, Start.
Press Lamp Check Switch -Check to see that all caution lamps or pilot lamps are illuminated. When the key switch is rotated one position clockwise, it is in the "On (run)" position and all electrical circuits (except "start") are activated. When checking the monitor, check all caution lamps and pilot lamps at the same time. Before Starting The Engine Check the Manual Emergency Steering . With the key switch in the ON position, turn emergency steering switch ON (red light ON), and check that the steering wheel can be operated. If the steering wheel cannot be operated, notify maintenance personnel. Do Not Operate truck.
During the following safety checks, if the alarm or red warning lamp does not turn "On" as required, OR, if the actuation or release of any emergency control, brake, or steering circuit does not appear normal, shut engine down immediately and notify maintenance personnel. Do not operate truck until the circuit in question is fully operational. Check the Auto Emergency Steering . With the key switch in the ON position, move Parking Brake lever to the "OFF" (unlocked) position. Wait 1.5 seconds and check that the emergency steering is actuated and the steering can be operated.
Perform the following checks to be certain that the central warning system, alarm buzzer, and all machine monitors and lamps are functional: Turn the key switch to the "ON" position. (Do Not Start Engine). NOTE: If the engine has been running, and then is stopped, the monitor cannot be checked until at least 30 seconds have passed.