Service Interval Chart—Every 50 Hours

H121745-UN-12JUN17

Legend	Service	Every 50 Hours
A	Grease Two Speed Four-Wheel Drive Motor Pivots Grease Two-Wheel Drive Heavy Duty and Extra Heavy-Duty Axle Spindle Bearings/Pivot Pins (Normal Conditions)	●
B	Grease Final Drive Outer Bearings (Normal Conditions)	●
C	Grease Variable Speed Feeder House Reverser Drive Gear Case (S760 and S770 Machines) (Normal Conditions)	●
D	Check Feeder House Reverser Gear Case Oil	●
E	Grease Variable Speed Feeder House Upper Sheaves (S760 and S770 Machines)	●
F	Check/Clean Lateral Tilt Feeder House	●
G	Cycle Separator Variable Speed Driven/Driver Sheaves	●
H	Grease Separator Variable Speed Driven/Driver Sheaves (S780 and S790 Machines)	●
I	Grease Cleaning Fan Variable Upper Sheaves	●
J	Grease Cleaning Fan Variable Lower Sheaves	●
K	Inspect Fuel Precleaner Filter	●
L	Check Two-Speed Separator Drive Oil	●
M	Check Water Separator Primary Fuel Filter	●
N	Check Radiator, Charge Air Cooler, Oil Cooler, and Condenser	●
O	Check Mass Flow Sensor	●
P	Clean/Replace Cab Fresh Air Filter	●
Q	ActiveVision™ Clean Grain Elevator Camera (If Equipped)	●