Technical Information; Description Of The Machine And Its Parts - Vari Bdr-620D Bedienungsanleitung

Protective devices meet the requirements of EN 12733 and ČSN EN 12733 standards. These standards focus primarily on the attending persons'
safety, as they can be hit by stones and other subjects flying from the machine rotary system. Therefore, the attending person must always be in normal
operating position, i.e. behind the machine, holding the handlebars firmly with both hands.

It is forbidden to remove any protective devices and covers from the machines.
2.3.1.1

Technical information

BDR-620DD
Length
Width (including the side screen)
Height
Weight
Maximum cutting width
Safe climbing ability
Cutting disk revolutions 48
Maximum blade circumferential velocity
Travelling speed
Area capacity 49
Gearbox oil capacity
Gearbox oil quality
Tab. 3: Technical information for BDR-620DDEngine information
Engine
Type
Engine displacement
Bore x stroke
Max. power/at rpm (HP) 50
Max. torque/at rpm 51
Maximum (set) engine rpm
Fuel consumption
Maximum engine tilt (long period)
Maximum engine tilt (short period
Fuel tank volume 53
Fuel
Engine oil filling
Oil quality
Ignition plug
Tab. 4: Engine technical information
2.3.2

Description of the machine and its parts

Brush cutter BDR-620D (Pict.2) is built on a steel frame, to which all important parts of the machine are attached. All controls (1,2 and 4) are placed
on the handlebars. Handlebars are attached to the frame with a bolted connection (3) and their height is adjustable into 3 positions. Handles (12) secure a
firm grip and machine handling during work. On the left side of the handlebars, there is the wheel drive clutch lever (2) which controls the movement of
the machine in forward direction. On the right side, there is lever (1) of the disc drive clutch for turning the cutting disk drive on (off). Both control levers
return to their original position when the handlebars are released in a critical situation and disconnect the engine power transfer. The cutting disk is
equipped with an automatic brake
48 Actual rpm. of the disc when not cutting, including belt transmission losses.
49 Square meters cut per min./hour will vary, depending on the type of the stand.
50 Measured according to new Society of Automotive Engineers (SAE) J1349 standard
51 Measured according to new Society of Automotive Engineers (SAE) J1349 standard
52 Short period – up to 1 minute.
53 Measured according to new Society of Automotive Engineers (SAE) J1349 standard
54 The automatic break is an active protective feature that supports the machine's safety.
52 )
54 which stops the disk. Engine speed is controlled with an accelerator lever (4). The wheel drive is controlled by
Unit
mm
mm
mm
kg
cm
∠
min -1
m.s -1
km.h -1
m 2 .h -1
l (litre)
API
SAE
Unit
-
cm 3
mm
kW/min -1 (HP)
N.m/min -1
min -1
l (litre)
∠
∠
l (litre)
(unleaded) petrol
l (litre)
SAE
-
BDR-620D
Value
1730
823
1191
67
62,2
10°
1964
64
2,5 - 3,4
1555-2114
0,025
GL-4 (GL-5)
90 (80W-90)
Value
HONDA GCV-190
187
69 x 50
3,8/3600 (5,1)
11,3/2500
3200 ± 100
1,3 per 3000 rpm
20°
30°
0,91
ON 91-95
0,55
15W-40
NKG BPR6ES
BRISK LR15YC
20