Operation
5-23
5
P/N 6525032M1 - X6
Fig. 5-16
Synchronised Power take-off
(if equipped).
Use of the rear PTO synchronised with the gearbox
merely serves to operate self-propelled trailers and, more
generally, all farm implements that need to be synchro-
nised with the tractor's ground speed and whose power
input must not exceed 40-45% of the engine's maximum
power. Engage the synchronised PTO with the machine
at a standstill: disengage the main clutch by depressing
the disengaging pedal and engage the lever (3-Fig.5-16)
in position "B".
Synchronised PTO engagement
The synchronised PTO must be engaged with the engine at
low idle, without forcing and with the tractor at standstill:
drive the tractor a little forward for an easier engagement.
In some cases it may be required to engage the PTO clutch
for a few seconds to allow for teeth aligning and make
engagement easier. When the synchronised PTO is not
used, the lever is to be shifted to the independent position
(lever 3, position A - Fig.5-16).
Synchronized PTO rpm
Whatever speed gear is engaged, the PTO splined shaft
spins, for each turn of the rear wheels:
IMPORTANT: If you are forced to reverse when using
the synchronized PTO, remember that the driveline
will be spinning in the opposite direction. Thus, with
certain implements, it is advisable to disengage the
PTO when reversing in order to avoid serious damage
(lever 1, position O).
with 2-speed PTO
10.200 RPM with Power take-off at 540 RPM
14.400 RPM with Power take-off at 540E RPM
19.158 RPM with Power take-off at 1000 RPM
with 4-speed PTO
10.200 RPM with Power take-off at 540 RPM
12,549 RPM with Power take-off at 540E RPM
18,816 RPM with Power take-off at 1000 RPM
23.150 rpm with Power take-off at 1000E rpm
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