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STEERING-IVT
8.
Jack the tractor up so that both rear wheels are
off of the ground and place a pair of jack stands
under the rear transmissions.
9.
Remove the rear wheels.
10.
Wedge the brakes open on both sides of the
transmission. See Figure 6B.17.
Chisels used
to hold brakes
open
Figure 6B.17
11.
Make sure all tools and wires are away from any
moving parts.
12.
Depress the brake pedal and start the tractor.
13.
Release the brake pedal.
14.
Measure the RPMs of the brake shaft on both
sides of the transmission.
The tractor engine and drive system
! CAUTION
! CAUTION
must be operated to complete this
procedure.
Confirm that no hazards will be incurred by running the
engine or operating the drive system
86
NOTE: If a tachometer is not available:
14a. Before starting the tractor, mark the brake
drum and shoe with a reference mark.
See Figure 6B.18.
Reference mark
Figure 6B.18
14b. Time how long it takes for the brake drum
to complete one revolution.
NOTE: The brake drum should be turning at
8RPMs or lower (more than 7.5 seconds per rev-
olution).
NOTE: The closer to 0 RPMs the better the
steering performance will be.
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