MacDon 9000 - Header Drive; Bevel Gear Box Lubricant; Header Drive Belt

MAINTENANCE/SERVICE
Header Drive
BEVEL GEAR BOX LUBRICANT
The bevel gear box directs power from the main
drive train
to the header drive at the right side of
the tractor.
Recommended Lubricant: SAE
BOW -90 thermally
stable GL-5 gear lubricant
for hypoid gears.
Check lubricant level annually. Check level with
engine stopped. Add lubricant at filler location
(A)
to level plug (B).
Change lubricant every
3 years. as follows:
1. Drain lubricant from box at drain plug (C).
2. Refill at filler location (A) to level plug (B).
CAPACITY - 17 US oz. (500 ml)
HEADER DRIVE BELT
This belt runs from the bevel gear box output shaft
to the header drive pulley. This clutch-engaged
drive provides power (through the driveline)
for all
mechanical header drives. Belttension adjustment
is made at the inside idler.
To adjust:
1. Stop engine and remove key from ignition.
2. Move header drive clutch lever in cab forward
to engaged position.
3. Measure compressed length
of spring (L) at
inside idler:
• If length
(L) is 3 inches (76 mm) or less
tension adjustment is not necessary.
• If length (L) is greater than 3 inches (76 mm)
proceed as follows:
4. Loosen nut
(A) , then tighten nut (B) until length
(L) measures 2-7/8 inches (73 mm). Tighten nut
(A) .
5. Disengage header drive clutch.
IMPORTANT : When installing new belts, never pry
belt over pulley. Loosen necessary component
hardware, install belt and adjust tension. Readjust
tension after a 5
hour run-in period.
98
BEVEL GEAR BOX - FILLER LOCATION
BEVEL GEAR BOX
HEADER DRIVE
BELT
TENSION ADJUSTMENT