air cleaner and tubing for tightness restriction” gauge (on dash near the key) the yellow indicator should not be up to the “air red line Check for oil pressure and temperature warning lights and buzzer Check for air pressure warning light and buzzer Check, Inspect for external leaks oil, fuel, and coolant – Check type of fuel needed before adding DON’TS: DO NOT tamper with fuel filter drains DO NOT remove air cleaner cover DO NOT crank the engine longer than 30 seconds. If it does not start within 30 seconds, wait 2 or 3 minutes to allow the starter motor to cool. If after three times the engine does not start, call in for a replacement bus or a mechanic DO NOT open a radiator cap on a hot engine DO NOT put regular gas into diesel engine or diesel into gasoline buses USE YOUR SENSES TO ASSIST IN PREVENTIVE MAINTENANCE LISTENING for Trouble Sharp knock when picking up speed Light knock when engine is running at idle speed Dull regular knock Clicking or tapping noises Continuous or intermittent squeal or squeak Loud exhaust noise Engine backfiring, missing, popping, spitting or overheating Steaming and hissing FEELING for Trouble Excessive vibration in the engine compartment, steering wheel, or driveline may indicate trouble. Low speed or high speed shimmying. Hard steering and steering wander. LOOKING for Trouble Sudden drop in oil pressure or excessive oil consumption (immediately shut engine off) Smoke coming from under dash. Smoke coming from under hood. SMELLING for Trouble Odor of gasoline, burning rubber, burning oil or burning rags Exhaust fumes
air cleaner and tubing for tightness “air restriction” gauge (on dash near the key) the yellow indicator should not be up to the red line Check for oil pressure and temperature warning lights and buzzer Check for air pressure warning light and buzzer Check, Inspect for external leaks – oil, fuel, and coolant Check type of fuel needed before adding DON’TS: DO NOT tamper with fuel filter drains DO NOT remove air cleaner cover DO NOT crank the engine longer than 30 seconds. If it does not start within 30 seconds, wait 2 or 3 minutes to allow the starter motor to cool. If after three times the engine does not start, call in for a replacement bus or a mechanic DO NOT open a radiator cap on a hot engine DO NOT put regular gas into diesel engine or diesel into gasoline buses USE YOUR SENSES TO ASSIST IN PREVENTIVE MAINTENANCE LISTENING for Trouble Sharp knock when picking up speed Light knock when engine is running at idle speed Dull regular knock Clicking or tapping noises Continuous or intermittent squeal or squeak Loud exhaust noise Engine backfiring, missing, popping, spitting or overheating Steaming and hissing FEELING for Trouble Excessive vibration in the engine compartment, steering wheel, or driveline may indicate trouble. Low speed or high speed shimmying. Hard steering and steering wander. LOOKING for Trouble Sudden drop in oil pressure or excessive oil consumption (immediately shut engine off) Smoke coming from under dash. Smoke coming from under hood. SMELLING for Trouble Odor of gasoline, burning rubber, burning oil or burning rags Exhaust fumes
SOP%20(ENGLISH)%20%202017-2018Rev20170819.docx