Operation - Section 3 OM3005.1 Page 3-4 Operating Instructions 25. Move in front of the radiator, inspect for any debris that might be stuck in front of the radiator and remove it. Check for any coolant leaks. Inspect all headlamps and fog lights. ENGINE START-UP SAFETY PRACTICES 26. Before climbing ladder to first level, be sure ground level engine shutdown switch is "ON" (if equipped with this OPTION). Safety rules must be observed upon engine start-up. 1. Insure all personnel are clear of truck before start- ing engine. Always sound the horn as a warning before actuating any operational controls. 27. Climb ladder to main deck.
Always use grab rails and ladder when mounting or dismounting from the truck. Clean ladder and hand rails of any foreign material, such as ice, snow, oil or mud. 2. Check and insure Transmission Range Selector is in " N eutral" before starting. 3. Do not attempt to start engine while cold weather starting heater (if equipped) is in operation. Dam- age to coolant heaters will result, due to lack of circulation. Always mount and dismount ladders facing the truck. Never attempt to mount or dismount while the truck is in motion. 4. The key switch is a three position (Off, Run, Start) switch.
When switch is rotated one position clock- wise, it is in the "run" position and all electrical circuits (except "start") are activated. Rotate key switch fully clockwise to "start" position (Trans- mission Range Selector in " N eutral") and hold this position until engine starts. "Start" position is spring loaded to return to "run" when key is re- leased. 28. If it is necessary to remove radiator cap when checking coolant in radiator, shut down engine (if running), and relieve coolant pressure SLOWLY before removing radiator cap. If engine has been running, allow coolant to cool, before removing the fill cap or draining radiator. Serious burns may result if coolant is not allowed to cool.
Starting fluid is extremely volatile and flammable! Use with extreme care. If truck is equipped with optional Engine Starting Aid for cold weather starting and ambient tem- perature is below 50 o F (10 o C), turn the key switch to the "start" position and while rotating engine, move the Engine Starting Aid switch to the "On" position for three seconds; then release Engine Starting Aid. If engine does not start, wait at least fifteen seconds before repeating the procedure. 29. Inspect battery box cover for looseness or dam- age. Check the battery terminals for corrosion. 30. Clean cab windows and mirrors; clean out cab floor as necessary.
Insure steering wheel, controls and pedals are free of any oil, grease or mud. 31. Stow personal gear in cab so that it does not interfere with any operation of the truck. Dirt or trash buildup, specifically in the operator’s cab, should be cleared. Do not carry tools or supplies in cab of truck or on the deck. Do not crank an electric starter for more than 30 seconds. Allow two minutes for cooling before attempting to start engine again. Severe damage to starter motor can result from overheating . 5. The truck cannot be push started. Transmission lube and control systems are inoperative when engine is not running. See towing decal in Opera- tor’s Cab. 32.
Adjust seat and steering wheel so that it is comfort- able for use. Adjust mirrors, if necessary. 33. Read and understand the "Operator Controls And Instrument Panel" discussion in this section. Be familiar with all control locations and con- trol functions BEFORE operating truck .