Start-Up Of The Machine; General Information; Attachment And Uncoupling (Rigid Machines); Attachment And Uncoupling (Machines With Hydraulic Folding) - HE-VA Sub-Tiller Series Operating Instructions, Declaration Of Conformity, Spare Parts List

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General information

The machine requires 1 double acting outlet (rigid) or 2 double acting outlets (hydraulic folding).
The hoses for depth adjustment are provided with red cable straps.
The hoses for the folding are provided with blue cable straps.

Attachment and uncoupling (rigid machines)

1. Under normal circumstances attach the tractor in the lowest lifting points of the machine both as
regards the lifting arms and the top link.
2. When the machine is to be parked and uncoupled from the tractor, it is important, that the roller is
placed in the lowest position, so that the machine is placed stably.
3. When uncoupling, relieve the tractor s oil outlet, and the machine s quick couplings can be
uncoupled without pressure. The hydraulic cylinder which controls the roller is equipped with a
pilot-controlled check valve which hermetically cuts off the oil for the hydraulic cylinder,
meaning that it is locked in the chosen position regardless of the tightness of the quick couplings.

Attachment and uncoupling (machines with hydraulic folding)

1. Please note that these machines are to be attached and uncoupled in transport position.
If the roller is not placed to the bottom, problems with
the folding might occur.
Change-over between working and transport position (only machines with hydraulic folding)
From transport into working position:
1. The machine is lifted to max. transport height.
2. The cylinder for depth adjustment is placed to the top.
3. Unfold the wing sections.
4. Adjust the working depth.
From working into transport position:
1. The machine is lifted to max. transport height.
2. The cylinder for depth adjustment (the roller) is placed to the top.
3. The wing sections can be folded in.
Sub-Tiller 2.5 m / 3.0 m / 3.5 m / 4.0 m

Start-up of the machine

Be sure that the check pawls lock the wing sections.
9
06/08 2007

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