SECTION 31 - IMPLEMENT POWER TAKE-OFF (PTO) - CHAPTER 4
31-6
5. Position the gearbox in a press with the back side
of the gearbox facing down, and push the shafts
out of the gearbox, starting with the output shaft.
The shafts must be pushed out of the upper
bearings only, as the shafts are a slip fit in the
gears. As the shafts are pushed out of the upper
bearing, the lower bearing cup and shaft will drop
out of the gearbox suddenly; use caution to
prevent damage to these components. Remove
the gears out of the open end of the gearbox as
each shaft is removed.
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6. Pry the input and output shaft seals, 1, out of the
gearbox housing. Drive the three remaining
bearing cups out of the gearbox housing. Use a
split bearing clamp to capture the bearing cones
on the shafts, and press the shafts out of the
bearings.
7. Clean and degrease all sealing surfaces on
gearbox housing, cover plate and bearing caps.
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1
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