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8.1 Driveline Length Check
Before operating the Implement, check to make sure the Implement input driveline will not
bottom out or become disengaged. Bottoming out occurs when the inner shaft penetrates
the outer housing until the assembly becomes solid-it can shorten no more. Bottoming out
can cause serious damage to the Tractor PTO by pushing the PTO into the Tractor and
through the support bearings or downward onto the PTO shaft, breaking it off. A broken
driveline can cause personal injury.
When fitting the mower to the tractor, the telescoping driveline must be inspected to ensure that at its most
compressed position, the profiles do not "bottom out", and when at its farthest extended position, there is
sufficient engagement between the profiles to operate safely. At its shortest length, there must be at least a 1"
clearance between each profile end and opposite profile universal joint. At its farthest operating extension, a
minimum profile engagement of 9" must be maintained.
"Bottoming Out" Check Procedure
•
Disconnect driveline from the tractor and slide
the profiles together until fully compressed.
•
Place a mark on the inner shield 1/8" from the
end of the outer shield.
•
Reattach the driveline to the PTO Shaft.
•
Raise the mower. Drive through a typical ditch
which the unit may encounter and watch marks
on the driveline. If the distance between the
mark and the outer shield becomes less than 2"
at any point there is a potential problem
bottoming out the driveline and the driveline
should be shortened. OPS-R-0004_F
RX60/72/84 03/09
© 2009 Alamo Group Inc.
OPERATION
(S3PT-18)
Operation Section 4-18
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