CHAPTER 6 8454
6-6
D569-W02 May-2003
1.2 SPECIFICATIONS
A. TECHNICAL FEATURES
a. Operation with drawbar pull and position control.
b. Drawbar pull survey at hitch point.
c. Implement lowering speed adjusted by control valve
lowering regulator.
d. Automatic hydraulic limit stop of angular excursion
of lifting arms.
e. Dual lever sector control: One positioning lever plus
one drawbar pull lever.
f. Oil feeding: By transmission oil.
g. Oil filter not built-in.
h. Required degree of filtering: 30
µ
B. DIMENSIONAL FEATURES
a. Piston diameter....................... 110 mm (4.33 in.)
b. Working stroke........................ 102 mm (4.01 in.)
c. Piston displacement............................... 969 cm
3
d. Angular excursion of lifting arms.
under drawbar pull control conditions .... 70° + 2
e. Intervention value of automatic
hydraulic limit stop .......................................... 75°
f. Internal mechanical limit stop ....................... 78°
C. CALIBRATION SETTINGS OF LIFTING
DEVICE VALVES
a. Safety valve calibration ..................... 180 + 5 bar
b. Calibration of cylinder protection
valve .................................................... 200 + 5 bar
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