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When attaching the Implement input driveline to the Tractor PTO, it is important that the
connecting yoke spring activated locking collar slides freely and the locking balls are seated
securely in the groove on the Tractor PTO shaft. Push and pull the driveline back and forth
several times to ensure it is securely attached. A driveline not attached correctly to the Tractor
PTO shaft could come loose and result in personal injury and damage to the Implement.
17 str)
7.1 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 12" must be maintained.
"Bottoming Out" Check Procedures
•
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.
•
Lift and Semi-Mount Type - Raise the mower/
Pull Type - Turn sharply and watch the driveline
as it approaches the mark. If the distance
between the mark and the end of the outer
shield tube becomes less than 2" at any point,
the driveline must be shortened. OPS-R-
0004_D str
TR308 04/21
@ 2021 Alamo Group Inc.
OPERATION
(S3PT-18 str)
Operation Section 4-16
(S3PT-
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