PACCAR PX-7 — Engine Warning Lamps

ENGINE OPERATION - Operating Instructions 1 hands, and arms against escap- ing fluid and steam by covering the cap with a large, thick rag. DO NOT try to remove it until the surge tank cools down or if you see any steam or coolant escap- ing. In any situation, remove the cap very slowly and carefully. Be ready to back off if any steam or coolant begins to escape. normal, allow the engine to idle 3 to 5 minutes before shutting it off. This allows the engine to cool gradually and uniformly. 6. If overheating came from severe operating conditions, the temperature should have cooled by this time. If it has not, stop the engine and let it cool before checking to see if the coolant is low. 7.

Be sure the vehicle is parked on level ground or the readings may be incorrect. Check the coolant level at the cooling module surge tank. WARNING To reduce the chance of person- al injury, vehicle damage and/or death from overheated engines, which can result in a fire, never leave the engine idling without an alert driver present. If the en- gine should overheat, as indicat- ed by the engine coolant temper- ature light, immediate action is required to correct the condition. Continued unattended operation of the engine, even for a short time, may result in serious en- gine damage or a fire. Failure to comply may result in death, per- sonal injury, equipment or prop- erty damage.

NOTE Keep the engine running at idle speed unless a warning icon turns on that requires the engine to be shut off. Check the coolant level after each trip when the engine has cooled. The coolant level should be visible within the surge tank. Add coolant if necessary. 2. Check to ensure the Oil Pressure Gauge reads normal. 3. Make sure the engine fan is turning by switching the Engine Fan Switch from AUTO to MAN (Manual). 4. Increase the engine speed to about one-half of full operating speed, or 1,100 to 1,200 rpm, maximum for 2 or 3 minutes. 5. Return the engine speed to normal idle. Monitor the engine temperature.

After the temperature returns to WARNING Operating Instructions Removing the fill cap on a hot engine can cause scalding cool- ant to spray out and burn you badly. If the engine has been in operation within the previous 30 minutes, be very careful in re- moving the fill cap. Protect face, Engine Warning Lamps Explanation of engine related warning lamps. The following engine warning lamps section covers only the lamps controlled by 14 Y53-1183-1E1 (04/16/18)