1
3
2
5
3. Assembly procedures
Installation of attachment
1. Join the attachment in place of it.
2. Make sure the lock pin (1) fits in the location
hole (2) of tube and that the tube will not come
off. (Fig. 1-1)
3. Tighten the knob nut (3) securely. (Fig. 1-1)
Installation of blade guard (Fig. 1-2)
Install the blade guard on drive shaft tube
against angle transmission. Tighten the guard
bracket firmly so that the blade guard does not
swing or move down during operation.
CAUTION!
Some blade guards are equipped with sharp line
limiters. Be careful with handling it.
Installation of cutting blade (Fig.1-3)
(If so equipped)
When installing a cutting blade, make sure that
there are no cracks or any damage in it and that
the cutting edges are facing the correct direction.
NOTE!
When installing cutter holder cap (1), be sure to
set concave side upward.
Insert the allen wrench (2) into the hole of the
angle transmission in order to lock the cutter
holder (3). Please note that the cutter fixing bolt
or nut (4) has left-handed threads, (clockwise to
loosen/counter-clockwise to tighten). Tighten the
fixing bolt or nut with the box wrench.
Fig.1-1
13cm
CH-100
Fig. 1-3B
NOTE!
If your unit is of a nut securing type and
equipped with a cotter pin, the blade must be
retained with a new cotter pin (5) each time
installed. (Fig. 1-3B)
CAUTION!
Before operation, make sure the blade has been
properly installed.
CAUTION!
If your unit is equipped with protection cover
under a cutting blade, check it for wear or cracks
before operation. If any damage or wear is found,
replace it, as it is an article of consumption.
Installation of the BRAIN cutting head
NOTE!
For installation see your BRAIN Owner's
manual, provided with the BRAIN cutting head.
2
3
1
4
Fig. 1-2
13cm
Fig. 1-4
WARNING!
For HITACHI BRAIN heads or HITACHI alloy
head, use only flexible, non-metallic line
recommended by the manufacturer. Never
use wire or wire ropes. They can break off
and become a dangerous projectile.
NOTE!
When using HITACHI alloy head (CH-100), initial
cutting line length should be about 13cm each.
(Fig. 1-4)
G
B
5
Fig. 1-3
GB-7