Service Interval Chart—Daily or 10 Hour, 50 Hour, 100 Hour, 250 Hour, 500 Hour and 1000 Hour

Item	Daily or 10 Hours	50 Hours	250 Hours	500 Hours	1000 Hours
Check Engine Oil Level	•
Check Transmission-Hydraulic Oil Level	•
Lubricate MFWD or TLS™ Plus King Pins, Tie Rod Ends, Steering Cylinder, Axle Pivot and Panhard Rod1	•			•
Lubricate MFWD or TLS™ Plus External Fittings and U-Joints (If Equipped)1	•			•
Inspect Tires		•
Lubricate Rear Hitch Components (If Equipped)2		•	•
Lubricate Front Hitch (If Equipped)2		•	•
Check Manual Brakes3			•
Check Neutral Start System			•
Check Transmission PARK System			•
Check Front PTO Housing Oil Level (If Equipped)			•
Change Engine Oil and Filter4				•
Back Flush Optional Fuel Water Separator (If Equipped)				•
Service Severe Duty Water Separator (If Equipped)				•
Lubricate Cab Suspension (If Equipped)				•
Tighten Wheel and Wheel Weight Bolts				•
Inspect Air Intake System				•
Clean Dual Beam Radar Sensor (If Equipped)				•
Replace Fuel Filters				•
Replace Cab Fresh Air and Recirculation Filters5					•
Test Coolant Freeze Point5					•
Check TLS™ Plus Accumulator Charge Pressure (If Equipped)					•
Check Cab Suspension Accumulator Charge Pressure (If Equipped)5,6					•
Clean MFWD or TLS™ Plus (If Equipped) Axle Breather7					•