Sequential Lifting; Sequential Lowering - SaMASZ TANGO 730 Operator's Manual

OPERATOR'S MANUAL
Due to the rake's design, where working units are arranged in different distances in relation to the
tractor, a mechanism for sequential lifting and lowering of working units is applied, and it is used when
driving the machine to and from a meadow. When driving to a meadow and after switching hydraulic
section to floating position, the front working unit lowers and starts raking, and in a while the rear enters
the grass, lowers and starts raking as well. When leaving a meadow the rotor at the tractor's side lifts
up to headland position as first.

5.7.1. Sequential lifting

When switching to transport position, the rear rotor's hydraulic assembly remains locked until the
front rotor reaches the transport position. Only afterwards hydraulic lowering of the rear rotor is
released. When switching from transport position to working position the rotors lower in the reverse
order.
Switching time of the control valve (Z
the screw counter clockwise to set shorter time of delay in lifting of the rear unit against the first unit.
Turn the screw clockwise to set longer time of delay in lifting of the rear unit.

5.7.2. Sequential lowering

To set sequential lowering of the rake's working units do the following:
switch the tractor's section lever to floating position,
❑
set the required rate of lowering of the rear rotor by means of valve (Z
❑
working unit (Fig. 32).
TWO-ROTOR ROTARY RAKE
) is adjusted with screw (S
1
Fig. 31. Adjusting lifting time of front rotor against first rotor
S – Adjustment screw, Z
2
Z
Fig. 32. Rear working unit lowering control valve (Z
TANGO 730
2
– Valve, R – Cam
1
2
) on the cam (R) (Fig. 31). Turn
Z
1
S
2
R
) on the cylinder of the rear
2
)
2
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