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Challenger 660B - Page 25

Challenger 660B
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General Information
01-20 79032966 A Rev.
Fixed Speed Header
Drive Idler Pivot
Lubricate one fitting On the right-hand side of the feeder
house.
Standard Adjustable Rear
Axle
Lubricate thirteen fittings Center pivot - Below battery
disconnect switch - One fitting.
King pins - four fittings.
Tie-rod sockets - four fittings.
Steering rod - two fittings.
Spindal Housing - two fittings.
Adjustable Rear Wheel
Assist Axle
Lubricate eleven fittings Center pivot - In rear left-hand side
grease bank - one fitting.
King pins - eight fittings.
Tie-rod sockets - two fittings.
50 Hour or Weekly Lubrication
Component Action Required General Information
50 Hour or Weekly Maintenance
Component Action Required General Information
Air Cleaner (Engine) Check hose connections for tightness. Clean or replace main element when
indicated by monitor light.
Air Conditioner -
Compressor Clutch Belt
Evaporator Coil
Check tension, inspect and clean
evaporator filter and coil if necessary.
Adjust as required. Raise top air
conditioning unit to gain access.
Batteries Clean off top of batteries and check for
tight cable connections
Located at left hand side frame.
Cab Recirculation Filter Remove grille and clean Located inside cab under right hand
console.
Concave Check positioning and leveling of concave
Cab Air Filter Remove element from air conditioning
unit and clean
May require more frequent cleaning in
extremely dusty conditions.
Shaker Shoe Chaffer and
Sieve
Remove any accumulated straw, cobs,
etc.
Check chaffer and sieve retaining
bolts
Drive Chains and Belts Check tension. Replace or adjust as
necessary
Elevators-Clean Grain and
Returns
Check tension of conveyor chains Refer to appropriate section of
manual.
Engine Belts Check condition of belts and replace if
needed.
Refer to appropriate section manual.
Engine Speed Check speed Use digital tachometer in cab for
routine check.
Feeder Chain Check tension of conveyor chain Do not over tension.
Hydrostatic Oil Cooler Check core for chaff and fiber. Clean as
required.

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