Adjustment Of Stay Spring - PRONAR PDK220 Operator's Manual

PRONAR PDK220 SECTION 4
Before connection to the tractor, check technical condition of shaft guards, completeness and
condition of protecting chains and general technical condition of PTO shaft. The PDK220
mower has a factory-mounted PTO shaft which is not to be disconnected from the mower
(except for maintenance and repairs, transport travel or extended periods of machine
parking). The PTO shaft of the PDK220 mower is equipped with a backstop clutch, which is
at the end of the shaft from the side of the mower.

4.5.4 ADJUSTMENT OF STAY SPRING

FIGURE 4.12 Adjustment of stay spring
(1) - stay spring; (2) - adjustment nuts; (3) - tensioner;
Stay spring (1) of cutting unit is able to adjust pressure of cutting unit on the ground during
cutting (FIGURE 4.12). Depending on the ground and topography, adjust pressure value by
changing the tensioning of spring (1) with the right adjustment nut (2) of tensioner (3).
4.16