Operation manual SP 9 - Compact
CHAPTER III – DESCRIPTION OF PLOUGH – Page 10
3.9.1. The security cylinder diameter
The diameter of the cylinder with standar equipment is 90
mm. Optionally there are cylinders of100 mm, 110 mm or 125
mm diameter as well.
At the given hydraulic pressure the bigger the diameter the
more difficult to disengage it.
Height
measured
at the end
Bulk
clearance
of the shaft
Security
cylinders
Ø
Disengaging power measured at the end
100 bar pressure with accumulator
150 bar pressure with accumulator
(with industrial nitrogen adjusting)
(with industrial nitrogen adjusting)
Minimal hydraulic
pressure
Maximal hydraulic
pressure
Minimal hydraulic
pressure
Maximal hydraulic
pressure
110 bar *
150 bar *
110 bar *
150 bar *
170 cm
76 cm
90 mm
590 kg
1 298
lbs
800 kg
1 760
lbs
860 kg
1 892
lbs
1 075 kg
2 365
lbs
170 cm
76 cm
100 mm
760 kg
1 672
lbs
1 040 kg
2 288
lbs
1 110 kg
2 442
lbs
1 390 kg
3 058
lbs
170 cm
76 cm
110 mm
950 kg
2 090
lbs
1 300 kg
2 860
lbs
1 390 kg
3 058
lbs
1 730 kg
3 806
lbs
170 cm
76 cm
125 mm
1 270 kg
2 794
lbs
1 740 kg
3 828
lbs
1 850 kg
4 070
lbs
2 320 kg
5 104
lbs
Some cylinders can be easily diversified if at the rear end its diameter is measured. For the specialist
the controling mode is the distance between the body and the bumped end (38) of the cylinder.
3.9.2. . Flow limitating pulley (reference: 1 119 037 )
For the work ont he extremely gravel soil a pulley has been mounted (GB reference: 1 119 037),
which reduces the speed of the oil flowing back into the cylinder whilst keeping the high pressure.
The rattling decreases which protects the security axle-journals.
On the contrary when the plough bottom comes over the obstacle there is no limit for quick oil flowing
out.
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