18
PT
CIRCULAR SAW
OPERATOR
’
S MANUAL
Fig. 7.
Circular saw on extension arm operation position
5.5.
Safe commissioning and shutting down
Prior to commencing operation look around whether there are no unauthorized personnel or
animals within the range of 50 m. Then position the circular saw in the desired operating position
(always parallel to the driving direction) and once completed, start the circular saw. As the required
PTO rpm rate of 540 or 1000 rpm is reached, the cutting action may be commenced.
Prior to stopping the circular saw first seize cutting by driving the circular saw into a space with
no branches or bushes around. Then turn off the circular saw drive and wait until circular blades come
to a complete stop. Now manipulating with the extension arm can be started in order to set the arm-
circular saw aggregate to transport position.
5.6.
Operation
In order to provide proper high quality operation, as well as to maintain circular saw durability
follow these principles:
❑
The circular saw can be used to cut tree branches, bush
es, hedges with diameter of up to Ø1
20 mm
(12 cm).
❑
Do nor allow the circular saw to get jammed, what may lead to its damage.
❑
It is recommended that the operator prior to commencing cutting sets the circular saw in an
adequate position and does not modify such position on a single go. Such manner of operation
provides work safety and treatment aesthetics.
❑
Longer branches should be cut gradually, while beginning from the top and ending at the bottom due
to a possibility of getting the circular saw jammed in the cut material.
❑
Bear in mind to adjust driving speed to the thickness and quantity of the branches cut at once in
order not to overload the circular saw and thus prevent it from damaging.
❑
When cutting thick and rigid branches (e.g. dried) ease off the circular saw's moment of contact with
a cut branch by significantly lowering the tractor's speed without reducing PTO rpm rate. In order to
avoid any impact contact what may cause damage to the circular saw.
❑
When cutting do not make any perpendicular motion with the extension arm in relation to the cutting
plane as this may lead to getting the circular saw jammed and thus damaged.
❑
The circular saw's cutting plane must always remain parallel towards driving direction and possibly
perpendicular to the ground on which the tractor is driving.
❑
Do not operate the circular saw with any contamination wound onto circular blades' hubs, as this
may lead to their locking.
❑
It is forbidden to use the circular saw for cutting any non-wooden materials.
90
°
