PACCAR 579, 567 — General Safety Instructions

SAFETY - General Safety Instructions Preventive Maintenance section. This will help preserve your investment. Make sure your vehicle is in top working condition before heading out on the road, it is the responsible driver's duty to do so. Inspect the vehicle according to the Driver's Check List. Use the proper tool for manually rotating the engine. DO NOT attempt to rotate the crankshaft by pulling or prying on the fan. This practice can cause death, personal injury, equipment damage, or damage to the fan blades, causing premature fan failure. Work areas should be dry, well lit, well ventilated, free from clutter, loose tools, parts, ignition sources and hazardous substances.

Wear protective glasses and protective shoes when working. DO NOT wear loose-fitting or torn clothing. Tie back and/or tuck in long hair. Remove all jewelry when working. Before beginning any repair, disconnect the battery (negative [-] cable) and discharge any capacitors. Put a “DO NOT OPERATE” tag in the operator's compartment or on the controls. Allow the engine to cool before slowly loosening the coolant filler cap to relieve the pressure from the cooling system. NOT work on anything that is supported only by lifting jacks or a hoist. Before resting a vehicle on jack stands, be sure the stands are rated for the load you will be placing on them.

Before removing or disconnecting any lines, fittings, or related items, relieve all pressure in the air, oil, fuel, and cooling systems. Remain alert for possible pressure when disconnecting any device from a system that contains pressure. High pressure oil or fuel can cause death or personal injury. Always wear protective clothing when working on any refrigerant lines and make sure that the workplace is well ventilated. Inhalation of fumes can cause death or personal injury. To protect the environment, liquid refrigerant systems must be properly emptied and filled using equipment that prevents the release of refrigerant gas. Federal law requires capturing and recycling refrigerant.

When moving or lifting any heavy equipment or parts, make sure to use proper techniques and assistance. Ensure all lifting 1 WARNING Removing the fill cap on a hot engine can cause scalding coolant to spray out and burn you badly. If the engine has been in operation within the previ- ous 30 minutes, be very careful in re- moving the fill cap. Protect face, hands, and arms against escaping flu- id and steam by covering the cap with a large, thick rag. DO NOT try to re- move it until the surge tank cools down or if you see any steam or coolant es- caping. In any situation, remove the cap very slowly and carefully. Be ready to back off if any steam or coolant be- gins to escape.

Always use wheel chocks or proper jack stands to support the vehicle or vehicle components before performing any service work. DO Y53-6047-2HEN (03/18) 9