5
Assembly and adjustment
WARNING:
Before assembling or adjusting the equipment, switch off the
•
engine and remove the spark plug cap. Otherwise the cutting
attachment or other parts may move and result in serious injury.
When assembling or adjusting the equipment, always put it down.
•
Assembling or adjusting the equipment in an upright position may
result in serious injury.
Follow the warnings and precautions in the chapter “Safety
•
precautions” and the instruction manual of the power unit.
Mounting the protector
B
A
CAUTION:
Do not touch the cord cutter on the protector.
Touching the cord cutter with bare hands may result in injury.
The protector must be installed to maintain the nylon-cutting-cord
length and protect the operator from thrown stones and debris.
Install the protector as the following steps.
1. Set the protector
(A)
so that the rib on the shaft fits into the
groove on the protector.
2. Tighten two bolts
(B)
.
Mounting the attachment to a power unit
A
C
D
B
2
3
1
4
To mount the attachment to a power unit, follow the steps below.
1. Make sure that the lock lever
(A)
is not tightened.
2. Align the pin
(B)
with the arrow mark
(C)
.
3. Insert the shaft into the drive shaft of the power unit until the
release button
(D)
pops up.
4. Tighten the lock lever
(A)
firmly as shown.
To remove the attachment, loosen the lock lever, press the lock
button and withdraw the shaft.
NOTICE:
Do not tighten the lock lever
(A)
without the shaft of the
attachment inserted. Otherwise the lock lever may tighten the
entrance of the drive shaft too much and damage it.
Mounting a nylon cutting head
A
B
C
D E
CAUTION:
Do not touch the cord cutter on the protector.
Touching the cord cutter with bare hands may result in injury.
Mount a nylon cutting head as the following steps.
1. Insert the lock key
(A)
through the hole on the support washer
(B)
. Rotate them with pushing the lock key in until they are
locked.
2. Screw a nylon cutting head
(C)
onto the shaft by turning it
clockwise
(D)
. Make sure that it is mounted securely.
3. Remove the lock key
(A)
.
To remove the nylon cutting head, turn it counterclockwise
(E)
.
Operation
WARNING:
If the cutting attachment moves at idle, adjust the idle speed
•
of the engine down. Otherwise you cannot stop the cutting
attachment with throttle off and it may cause serious injury.
Follow the warnings and precautions in the chapter “Safety
•
precautions” and the instruction manual of the power unit.
During operation, use the tip of the nylon cutting cord for cut.
Feeding the nylon cutting cord
As the nylon cutting cord is worn and shortened with the cutting
operation, the operator needs to feed it manually.
To feed the nylon cutting cord, tap the nylon cutting head on the
ground while it rotates around 6,000 min
-1
.
Note:
If the nylon cutting cord does not feed out, rewind it. Refer to
the chapter “Inspection and maintenance.”
Inspection and maintenance
WARNING:
Before inspecting or maintaining the equipment, switch off the
•
engine and remove the spark plug cap. Otherwise the cutting
attachment or other parts may move and result in serious injury.
When inspecting or maintaining the equipment, always put it
•
down. Assembling or adjusting the equipment in an upright
position may result in serious injury.
Follow the warnings and precautions in the chapter “Safety
•
precautions” and the instruction manual of the power unit.
Rewinding the nylon cutting cord
WARNING:
After rewind the nylon cutting cord, make sure
that the cover of the nylon cutting head is secured to the housing.
Otherwise the nylon cutting head may fly apart and it may result in
serious personal injury.
To rewind the nylon cutting cord, follow the steps below.
1. Press the latches
(A)
and remove the cover
(B)
. Remove the
remaining nylon cord.
