22
On receipt of the machine
DB 534 02. 02
4.4 Hydraulic drive
The spreading disc and the agitator are driven via the
hydraulic motor (1). This requires on the towing
vehicle:
• 1 single acting spool valve
• 1 pressure free oil return flow.
• A pump capacity on the towing vehicle of min.
26 l/min. to max. 45 l/min.
I
The indicated required pump capacities
result in a spreading disc rev. speed of
min. 250 min
-1
to max. 400 min
-1
.
F
If the pump capacity is within the upper
range, operate with a reduced engine
nominal rev. speed of the towing vehicle
and thus with a reduced pump capacity.
This measure results in less wear on
agitator and hopper bottom, especially
when spreading grit.
• Hydraulic hoses (2)
(Length 1,60 m)
- The "flow hose" is equipped with a yellow
galvanised plug (hard pressure spring on the
plug)
- "Return flow" with silver galvanised plug (soft
pressure spring in the plug) and return valve.
1
2
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