Dolmar MS-4300.4R, Original Instruction

Page: 21 / 228

21
Replacing the nylon cord (BUMP & FEED)
WARNING:
●
Make sure that the cover of the nylon cutting head is secured to the
housing properly as described below. Failure to properly secure the cover
may cause the nylon cutting head to fly apart resulting in serious personal
injury.
1. Press the latches (1) on the housing (2) inwards and lift upward to remove the
cover (3).
2. Release the nylon cord from the eyelet. And remove the spool (4) from the
cover.
Discard any of the remaining nylon cord.
CAUTION:
●
The cutting tools shown in the illustration are not to be sharpened. Manual
resharpening will result in imbalances of the cutting tool causing vibrations
and damage to the equipment.
NOTE:
●
To increase the service life of the cutter blade it may be turned over once,
until both cutting edges have become blunt.
RESHARPENING THE CUTTING TOOL
NYLON CUTTING HEAD
The nylon cutting head is a dual line trimmer head that has bump & feed
mechanism.
The nylon cutting head feeds out the nylon cord after tapping the trimmer head
on the ground.
Operation
●
Increase the nylon cutting head speed to approx. 6,000 min
–1
.
Bump the nylon cutting head lightly on the ground.
●
The most effective cutting area is shown by the shaded area.
●
If the nylon cord does not feed out, rewind/replace the nylon cord by following
the procedures described under “Replacing the nylon cord.”
3. Hook the middle of the new nylon cord to the notch (5) located at the center of
the spool between the 2 channels.
One side of the cord should be about 80 mm (3") longer than the other side.
Wind both ends firmly around the spool in the direction of arrow mark on the
spool.
Most effective cutting area
(1)
(3)
(2)
(4)
(3)
(5)
80 mm (3")