ENGINE AR-PRIMARY 4571444 - Caterpillar

All valves in the fuel return line must be open before and during engine operation to help prevent high fuel pressure. High fuel pressure may cause filter housing failure or other damage.
If the engine has not been started for several weeks, fuel may have drained from the fuel system. Air may have entered the filter housing. Also, when fuel filters have been changed, some air pockets will be trapped in the engine. In these instances, prime the fuel system. Refer to the Operation and Maintenance Manual, "Fuel System - Prime" for more information on priming the fuel system.
Engine exhaust contains products of combustion which may be harmful to your health. Always start and operate the engine in a well ventilated area and, if in an enclosed area, vent the exhaust to the outside.
Do not start the engine or move any of the controls if there is a "DO NOT OPERATE" warning tag or similar warning tag attached to the start switch or to the controls.
Ensure that the areas around the rotating parts are clear.
All of the guards must be put in place. Check for damaged guards or for missing guards. Repair any damaged guards. Replace damaged guards and/or missing guards.
Disconnect any battery chargers that are not protected against the high current drain that is created when the electric starting motor (if equipped) is engaged. Check electrical cables and check the battery for poor connections and for corrosion.
Reset all of the shutoffs or alarm components.
Check the engine lubrication oil level. Maintain the oil level between the "ADD" mark and the "FULL" mark on the oil level gauge.
Check the coolant level. Observe the coolant level in the coolant recovery tank (if equipped). Maintain the coolant level to the "FULL" mark on the coolant recovery tank.
If the engine is not equipped with a coolant recovery tank maintain the coolant level within 13 mm (0.5 inch) of the bottom of the filler pipe. If the engine is equipped with a sight glass, maintain the coolant level in the sight glass.
Observe the air cleaner service indicator (if equipped). Service the air cleaner when the yellow diaphragm enters the red zone, or when the red piston locks in the visible position.
Ensure that any driven equipment has been disengaged. Minimize electrical loads or remove any electrical loads.Transmission Operation
For maximum service life of the transmission, make a thorough walk-around inspection before you operate the transmission.Look around the transmission and under the transmission. Inspect the condition of all major components. Look for the following discrepancies:
Loose bolts
Trash buildup
Oil leaks
Broken parts or worn parts
Cracks in the caseRemove any trash and any debris. Report any condition that requires service to the shop. Make sure that any necessary repairs are completed before you operate the transmission.Perform all daily service requirements at the begining of each shift. Refer to the Operation and Maintenance Manual for the procedures.Inspection Before Operation
Hoses
Tubes
Lines
Oil level on the transmission dipstickInspection After Operation
Trash buildup
Check for loose bolts
Check for oil leaks
Check for broken parts
The case for cracksDaily Maintenance
Perform the following