Service Interval Chart—Daily or 10 Hours—50 Hours—250 Hours—500 Hours—1000 Hours

Item	As Indicated or As Required	Daily or 10 Hours	50 Hours	250 Hours	500 Hours	1000 Hours
Replace Primary and Secondary Engine Air Filters 1	•
Clean Radiator and Oil Cooler-Condenser	•
Check Engine Compartment for Debris	•
Check Engine Oil		•
Check Coolant Level		•
Drain Water Separator		•
Check Transmission, Hydraulic and Axle Oil Levels		•
Inspect Tires			•
Lubricate Rear Hitch Components (If used daily.)			•
Lubricate Hinge Pins			•
Lubricate Steering Pins			•
Check Manual Brakes				•
Check Neutral Start System				•
Check PARK System				•
Drain Fuel Tank Sump				•
Lubricate Telescoping Drive Shafts				•
Lubricate PTO Drive Shaft				•
Lubricate Heavy-Duty Gudgeon Bearings				•
Lubricate Lower Drive Line Bearing				•
Lubricate Rear Hitch Components				•
Change Engine Oil and Filter 2					•
Tighten Wheel and Weight Bolts 3					•
Inspect Drawbar Support (Tighten cap screws as required)					•
Clean Dual Beam Radar Sensor					•
Replace Fuel Filters 4					•
Inspect Air Intake System for Loose Clamps and Worn Hoses					•
Clean Water Separator (Optional Severe Duty)					•
Lubricate Rear Hitch Draft Sensor					•
Clean Fuel Tank Vent Filter 4						•
Replace Cab Fresh Air and Recirculation Filters 5						•
Test Coolant and Add Coolant Conditioner						•