OM3043 06/06 Operation - Section 30 Operating Instructions Page 30-5 32. Clean the cab windows and mirrors. Remove dirt or debris from the cab floor. Ensure the steering wheel, controls, and pedals are free of any oil, grease, or mud. NOTE: If the truck is equipped with an engine prelube system, a noticeable time delay will occur (while the engine lube oil passages are being filled) before the starter engages. The colder the engine oil temperature, the longer the time delay.
In addition, if the truck is equipped with an engine starting aid for cold weather starting, the engine prelube system must be engaged for 5-10 seconds, or until the starter is engaged, before activating the engine starting aid. 33. Store any personal gear in the cab so it does not interfere with the operation of the truck. DO NOT carry tools or supplies in the cab of the truck or on the deck. 34. Adjust the seat and steering wheel so that it is comfortable for use. 35. Read and understand the Operator Controls and Instrument Panel discussion in this section. Be familiar with all the control locations and functions before operating the truck.
Starting fluid is extremely volatile and flammable! Use with extreme care. If the truck is equipped with the optional engine start- ing aid and the ambient temperature is below 10°C (50°F), turn the key switch to the START position. While cranking the engine, move the engine starting aid switch to the ON position for three seconds maxi- mum, then release the engine starting aid. If the engine does not start, wait at least fifteen seconds before repeating the procedure. ENGINE START-UP 1. Ensure all personnel are clear of the truck before starting the engine. Sound the horn as a warning before actuating any operational con- trols.
If the truck is in an enclosure, ensure ade- quate ventilation before start-up. Exhaust fumes are dangerous! 2. Ensure the parking brake switch is in the ON position. The selector switch must be in NEU- TRAL before starting the truck. DO NOT crank an electric starter for more than thirty seconds at one time. Allow two minutes for cooling before attempting to start the engine again. Severe damage to the starter motor can result from over- heating. 3. If the truck is equipped with auxiliary cold weather heaters, DO NOT start the engine while the heaters are on. Damage to the coolant heaters will result. AFTER ENGINE HAS STARTED 4. The key switch is a three position (OFF, RUN, START) switch.
When the switch is rotated one position clockwise, it is in the RUN position and all electrical circuits (except START) are activated. With the selector switch in NEUTRAL, rotate the key switch fully clockwise to the START position and hold this position until the engine starts. The START position is spring loaded to return to RUN when the key is released. 1. Become thoroughly familiar with the steering and emergency controls. After the engine has started and the low pressure and warning sys- tems are normal, test the truck steering in extreme right and left directions. If the steering system is not operating properly, shut the engine off immediately.
Determine the steering system problem and repair before resuming operation. 2. Check the brakes before moving the truck. Start the engine and allow the hydraulic system to fully pressurize. Activate the service brake, parking brake, and brake lock at least twice. If a warning alarm is activated when a brake is applied or released, DO NOT operate the truck. If the application and release of any brake appears slow or improper, DO NOT operate the truck. If a brake problem is suspected, shut the engine off and notify maintenance personnel.