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Proceed as follows to shorten the input PTO shaft:
3.3.4.1 Remove shielding.
Figure 3.7
3.3.4.2 Shorten drive tubes by the required length. In normal
conditions, telescopic tubes must always overlap by at
least a ½ of their length. During manoeuvres, when the
driveline is not rotating, the telescopic tubes must have a
suitable overlap to maintain the tubes aligned and allow
them to slide properly. See Section 3.3.3.
If the driveline has a single chain restraint system (splined
inner tube), the tubes can be shortened by a limited
amount (normally no more than 70mm) to avoid
eliminating the splined ring connecting the two shield
tubes.
If the driveline is fitted with a greasing system
incorporated in the inner drive tubes, the tubes can be
shortened by a limited amount to avoid damage to the
lubrication system. Carefully measure and shorten each
drive tube equally.
Figure 3.8
3.3.4.3 Carefully deburr the ends of the tubes with a file and
remove any chippings from the tubes.
3.3.4.4 Shorten shield tubes one at a time by cutting the same
length that was cut from the drive tubes. If the driveline is
equipped with Single Chain Restraint System, shortening
the driveline will involve removal of the plastic ring which
connects the shield tubes. If it is necessary to remove this
collar, add a retaining chain to the tractor side of the
driveline shield.
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