3 - Description
3.9
Boom
Boom and terminology
The SPB boom is available in two different hydraulic system versions – both equipped with I.A.H. (Indirect Acting Hydraulics)
and named:
1. SPB-HY
This type of boom is operated via the tractor hydraulics. This model features hydraulic lift cylinders for boom height
adjustment and two cylinders for simultaneous boom wing fold and unfold.
2. SPB-HZ
This type of boom has the same features as the above mentioned HY-model, but is provided with more advanced hydraulics.
SPB-HZ also has two boom wing tilt cylinders that give the ability to obtain individual boom wing tilt as well as individual
boom wing fold. The hydraulics on the SPB-HZ are controlled with an electrical hydraulic control box.
Outer sections incorporate spring loaded breakaway and all booms have bi-fold wings.
The SPB boom is available in 45’, 50’, 60’ & 66’ working width.
For bi-fold booms the terminology is as follows:
A - Breakaway section
C - Outer section
E - Inner section
F - Center section
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