Dolmar ET-120 C Instruction Manual page 12

Nylon cutting head (Fig. 3)
NOTICE:
• Do not attempt to bump feed the head while the tool is
operating at a high RPM. Bump feeding at a high RPM
may cause damage to the nylon cutting head.
• The bump feed will not operate properly if the head is
not rotating.
NOTE:
• Standard accessory varies depending on the model
and country.
The nylon cutting head is a dual grass trimmer head
provided with a bump & feed mechanism.
To feed out the nylon cord, bump the cutting head against
the ground while the cutting head is rotating.
NOTE:
• If the nylon cord does not feed out while bumping the
head, rewind/replace the nylon cord by following the
procedures described under "Maintenance."
Cable holder (Fig. 4)
Make a small loop of power cable, and hang it onto the
cable holder.
ASSEMBLY
WARNING:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Failure to switch off and unplug may result in serious
personal injury from accidental start-up.
• Never start the tool unless it is completely
assembled. Operation of the tool in a partially
assembled state may result in serious personal injury
from accidental start-up.
Installing the handle (Fig. 5)
WARNING:
• Do not remove or shrink the spacer or cushion. The
spacer keeps a certain distance between both hands.
Setting the grip/barrier assembly close to the other
grip beyond the length of the spacer may cause loss of
control and serious personal injury.
Fit the handle and the barrier onto the rubber part on the
shaft pipe. Adjust the location of the handle, and then
tighten them with four bolts.
Approved combination of cutting tool and
protector
WARNING:
• Always use the tool with the approved combination
of the safety equipments. Otherwise contact with a
cutting tool may cause serious injury.
• Never use the tool without the guard illustrated in
place. Failure to do so can cause serious personal
injury.
NOTE:
• Standard accessory varies depending on the model
and country.
For cutter blade (Fig. 6)
For nylon cutting head (Fig. 7)
Installing the protector for cutter blade (Fig. 8)
1. Align the holes on the inner protector and the holes
of the gear case.
2. Then tighten them with three bolts.
12
Installing the protector for nylon head
CAUTION:
• Take care not to injure yourself on the cutter for cutting
the nylon cord.
• Do not forget to remove the cutter protector before
using.
1. Align the four bolts on the outer protector along the
holes on the inner protector. (Fig. 9)
2. Tighten them with the four bolts.
3. Align the holes on the inner protector and the holes
of the gear case.
4. Tighten them with bolts. (Fig. 10)
Installing the cutter blade
WARNING:
• The outside diameter of the cutter blade must be
230 mm. Never use any blade exceeding 230 mm in
outside diameter.
CAUTION:
• The cutter blade must be well polished, free of cracks or
breakage. Polish or replace the cutter blade every three
hours of operation.
• Always wear gloves when handling the cutter blade.
• Always attach the blade cover when the tool is not in
use or is being transported.
• The cutter blade-fastening nut wears out in course
of time. If there appears any wear or deformation on,
replace the nut. Ask your local authorized service
center to order it.
NOTICE:
• Be sure to use genuine cutter blade.
Turn the tool upside down so that you can replace the
cutter blade easily. (Fig. 11)
1. Fit the receive washer on the axis.
2. Turn the receive washer until the notch on the receive
washer comes on the notch of the gear case.
3. Insert the round bar through both notches so that
receive washer can not be turned.
4. Put the blade on the receive washer.
5. Put the clamp washer on the blade.
6. Put the cup on the blade.
7. Tighten them with the nut by turning it
counterclockwise while holding the round bar.
To remove the blade, perform the above steps in
reverse.
Installing nylon cutting head (Fig. 12)
NOTICE:
• Be sure to use genuine nylon cutting head.
Turn the tool upside down so that you can replace the
nylon cutting head easily.
NOTE:
• Remove the cover on the cord cutter before use.
1. Fit the receive washer on the axis.
2. Turn the receive washer until the notch on the receive
washer comes on the notch of the gear case.
3. Insert the round bar through both notches so that
receive washer can not be turned.
4. Fit the nylon cutting head by turning it
counterclockwise.
5. Remove the round bar after installing the nylon
cutting head.
To remove the nylon head, perform the above steps in
revere.