Resharpening The Cutting Tool; Nylon Cutting Head - Dolmar MS-246.4 U Manual De Instrucciones

STOPPING
1) Release the throttle lever (2) fully, and when the
engine rpm has lowered, set the I-O switch to
STOP the engine will now stop.
2) Be aware that the cutting head may not stop
immediately and allow it to slow down fully.
ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)
When it is necessary to adjust the low-speed rotation (idling), perform it by the carburetor adjusting screw.
CHECKUP OF LOW-SPEED ROTATION
– Set the low-speed rotation to 3,000 min
If it is necessary to change the rotation speed, regulate the adjusting screw
(illustrated on the right), with Phillips screwdriver.
– Turn the adjusting screw to the right, and the engine rotation will increase.
Turn the adjusting screw to the left, and the engine rotation will drop.
– The carburetor is generally adjusted before shipment. If it is necessary to
readjust it, please contact Authorized Service Agent.

RESHARPENING THE CUTTING TOOL

CAUTION: The cutting tools mentioned below must only be resharpened by an
authorized facility. Manual resharpening will result in imbalances of
the cutting tool causing vibrations and damage to the equipment.
– cutter blade
An expert resharpening and balancing service is provided by Authorized
Service Agents.
NOTE: To increase the service life of the cutter blade it may be turned over
once, until both cutting edges have become blunt.

NYLON CUTTING HEAD

The nylon cutting head is a dual string trimmer head capable of both automatic
and bump & feed mechanisms.
The nylon cutting head will automatically feed out the proper length of nylon
cord by the changes in centrifugal force caused by increasing or decreasing
rpms. However, to cut soft grass more efficiently, bump the nylon cutting head
against the ground to feed out extra cord as indicated under operation section.
Operation
– Increase the nylon cutting head speed to approx. 6,000 min
Low speed (under 4,800 min
properly at low speed.
– The most effective cutting area is shown by the shaded area.
If the nylon cord does not feed out automatically proceed as follows:
1. Release the throttle lever to run the engine idle and then squeeze the
throttle lever fully. Repeat this procedure until the nylon cord feeds out to
the proper length.
2. If the nylon cord is too short to feed out automatically with the above
procedure, bump the knob of the nylon cutting head against the ground to
feed out the nylon cord.
3. If the nylon cord does not feed out with procedure 2, rewind/replace the
nylon cord by following the procedures described under "Replacing the
nylon cord."
.
-1
) is not suitable, the nylon cord will not feed out
-1
STOP
(2)
(1)
MS-246.4 C
MS-246.4 CE
Carburetor
Adjusting
screw
.
-1
1
STOP
(2)
Most effective cutting area
Idle speed Full speed
Knob
(1)
MS-246.4 U
MS-246.4 UE