, The working width must be at all times accommodated to the
density of the cut sward.
4.2 Technical specification.
Type of the machine DS-520 DS-520H
Length mm 1150
Width mm 560
Height mm 1050
Weight kg 35
Maximum working width of the machine cm 52
Mowing disk speed (at maximum engine revolutions) min
-1
2360
Circumferential speed of blades (at max. engine revolutions) m.s
-1
64.2
Area output of the machine (according to sward type) m
2
/h 800 -1000
Type of the engine CENTURA 55 LX T
GCV 135
Cylinder capacity cm
3
195 135
Max. power at revolutions kW/rpm 4.0 (5.5 HP)/3600 3.3 (4.5 HP)/3600
Maximum adjusted engine speed rpm 3200 3200
Tank volume litres 1.4 1.1
Petrol (leadless) oct.No. 91-95
Oil filling litres 0.55
Oil SAE 30 15W-40
Spark plug -- CHAMPION RJ17LM NKG BPR6ES
-- BRISK JR17 BRISK LR15YC
4.3 Technical description of the machine.
Machine base is a rigid frame. On the upper part of the frame, there is a 4-stroke
combustion engine, which drives the mowing disk through the V-belt. Mowing disk drive is
switched on by a tension pulley controlled from a lever on the handlebars.
On the mowing disk, there are three cutting blades of hardened steel, sharpened on both
sides and installed in a rotating position, which perfectly cut the mown sward. Upper disk
throws the cut sward aside. Support plate partly guides the machine, being a guarantee of an
even stubble height.
Side apron prevents grass spreading to sides and forms a neat swath.
Travel wheels are equipped with puncture-resistant tyres of solid rubber. Large
diameter of the wheels makes pushing of the machine easy and reduces operator’s labour.
On the tube handlebars, which can be adjusted with a swivel joint, there is a control bar
of the mowing disk drive clutch and a lever for engine speed adjustment. After tipping the
handlebars over the engine, the mower can be easily transported in the luggage compartment
of common passenger car.
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