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There is no threat caused by vibrations when working with a digger because the
operator's workplace is located in the tractor cabin where the seat is amortized and properly
ergonomically shaped.
4. USAGE REGULATIONS
4.1. General information
Vibrating digger Z655 is manufactured as a 1-row machine suspended on tractor
three-point suspension system. 1-row vibrating digger is adjusted to work on terrain slopes
not exceeding 8.5 and can cooperate with tractors of power over 10 KM equipped with
standardized power take-off shaft (see technical characteristics – table 4) and wheel
standard ballasts.
4.2. Construction and operation of the machine
4.2.1 Construction of the vibrating digger with side discharge
Mounted vibrating digger with side discharge of potatoes (figure 1) is an agricultural machine
of compact and simple construction, reliable and user-friendly.
Figure 1. Basic units of vibrating digger: 1 - frame, 2 – studs of three-point suspension system,
3 – topper ploughshares, 4 – sifting hopper, 5 – rockers, 6 - rocker lever, 7 – drive
shaft, 8 – connecting rods, 9 – support wheels, 10 - disc coulters, 11 – bracket for the
light sign or the triangular sign
The basic element of the machine is a welded frame (1) to which other elements of the
machine are installed. At the front of the frame, there is three-point suspension system with
the suspension system rack which in the lower part has suspension axle studs (2) installed
consistent with suspension system category I or II. In the front part, on specially profiled form
there is a topper (3) installed, consisting of two ploughshares. Optionally, on ploughshares
sides there can be disc coulters installed (10). Profiled form of the ploughshares ensures the
most favorable taking of ridge along with potatoes. The topper passes the soil layer onto
slatted sifting hoppers (4). Sifting hoppers are movable tubular-bar construction, installed to
the frame through rockers (5) and levers (6) which crushes and sifts away soil and puts
potatoes (or another crop) in the narrow strip on the left side of the machine. The digger is an
active machine; sifting hoppers receive the drive from PTO shaft through the drive shaft (7)
on which connecting rods (8) are installed eccentrically and connected to the levers. At the
back of the digger in the rails there are support wheels (9) installed, used for infinitely
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