DRIVE SYSTEM-IVT
38
13. If replacing the transmission assembly, remove
the transmission fan.
14. If only replacing the IVT (center section of the
transmission), remove the drop axles by follow-
ing the procedures described in the drop axle
section of this manual.
15. Install the transmission by following the previous
steps in reverse order.
16. Perform a neutral adjustment and wheel align-
ment by following the steps described in 6B:
Steering - IVT.
17. Test drive the tractor in a safe area before
returning to service.
Drop axle assemblies
The drop axle assemblies on the IVT transmission
perform three functions:
• The drop axle assemblies are a gearbox that will
transmit the power of the IVT at a reduced speed
to the drive wheels.
• The drop axle contains a dog clutch assembly to
disconnect the transmission from the drive
wheel. This allowing the tractor to be pushed by
hand.
The drop axle assemblies are serviceable, sepa-
rately from the IVT.
To remove the drop axles:
1. Remove transmission assembly from the tractor
by following the procedures described in the pre-
vious section of this chapter.
2. Remove the eight screws the secure the trans-
mission support bracket to the drop axles using
a 1/2” wrench. See Figure 5B.29
Figure 5B.29
Transmission support bracket
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