OPERATION
DHM7 05/21 Operation Section 4-14
© 2021 Alamo Group Inc.
OPERATION
8. Use
8.1 Work Position
To move from the transport position to the work position, proceed as follows:
NOTE: Make sure that no person or object is standing within the turnover range of the disk carrier bar.
1. Send the cylinder shaft backwards slightly but keep rope 3 stretched until pin 2 (fig. 12 item B) is
unhooked.
2. Take out the cylinder shaft until the disk carrier bar is horizontal.
3. Use the tractor hoist to lower the machine; fasten adjustment chain 2 (fig. 14) above the ground so that
distance H is about 50 cm (19.7 inches).
NOTE: Make sure that adjustment chain 2 (fig. 14) is always well stretched when machine is working to
prevent pin 2 from damage.
Lower the protection plate and check that the cardan shaft is inserted into the machine power takeoff.
8.2 Mowing
1. Before starting to mow, place the machine on the ground so that the disk carrier bar is horizontal.
2. Before starting the machine, make sure that the knives are well sharpened, particularly if the grass is thin,
dry or sparse.
3. Switch on power takeoff rotation and gradually accelerate.
Machine input rotation speed must be about 540 revs/minute.
If the bar is working for long period on sloping ground, we advise holding it in a horizontal position for a few
minutes every half hour of work.
NOTE: Make sure there no persons nearby, particularly behind the disk carrier bar discharge area. Always
check before you start mowing that the protection plate is lowered all the way round the machine.
9. PRE-OPERATION INSPECTION AND SERVICE
Before each use, a pre-operation inspection and service of the implement and tractor must be performed.
This includes routine maintenance and scheduled lubrication, inspecting that all safety devices are equipped
and functional, and performing needed repairs. DO NOT operate the unit if the pre-operation inspection
reveals any condition affecting safe operation. Perform repairs and replacement of damaged and missing
parts as soon as noticed. By performing a thorough pre-operation inspection and service, valuable down time
and repair cost can be avoided. OPS-U-0029
Always disconnect the main PTO Driveline from the Tractor before performing service on
the Implement. Never work on the Implement with the tractor PTO driveline connected and
running. Rotating Parts, or Drivelines could turn without warning and cause immediate
entanglement, injury or death.
(S3PT-11)
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