e) having installed the driveline, make sure
that the components of the driveline t e l -
escopic connection do not abut during
extreme machine positions relative to
the tractor; the minimum overlap of the
driveline telescopic connection shall be
1 1 0 -120 mm, because lower overlap
value could cause the transmission dis -
connection.
The length of the safety clutch spring
(1) of the agricultural machine must be
adjusted in such a way that the jaw
clutches 2 and 3 would rotate one rela-
tively another during overloads. Excess
tightening of the spring causes the fail-
ure of the clutch to operate and over-
loads of the driveline and PTO.
Activate the independent PTO drive
when the engine is stopped or running at
the minimum speed. The synchronous
PTO drive should be activated with the
engine running by engaging smoothly
the clutch.
When operating the tractor without the
PTO, set obligatorily the PTO control
lever to the “PTO OFF” position, the two-
speed PTO drive clutch – to position 1
(540 rpm) and the lever for toggling be-
tween the independent and synchronous
PTO drives – to the middle (neutral) po-
sition.
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