Operating Procedures - Hitachi Koki CG 25EUS Manual De Instrucciones

English
3. Installation (Fig. 8)
○ Install cutting head on gear case of grass
trimmers/brush cutters. The mounting nut (7) is
left-hand-threaded. Turn clockwise to loosen/
counterclockwise to tighten.
8
7
NOTE
○ Since the cutter holder cap is not used here, keep
it for when a metal blade is used, if so equipped.
○ Insert Allen wrench (8) into the hole of the gear
case in order to lock the cutter holder.
Installation of cutting blade (Fig. 9)
(If so equipped)
When installing a cutting blade, make sure that there
are no cracks or any damage to it and that the cutting
edges are facing the correct direction.
10
11
9
12
NOTE
○ When installing cutter holder cap (9), be sure to
set concave side upward.
Insert the allen wrench (10) into the hole of the
angle transmission in order to lock the cutter
holder (11). Please note that the cutter fi xing bolt
or nut (12) has left-handed threads, (clockwise to
loosen/counter-clockwise to tighten). Tighten the
fi xing bolt or nut with the box wrench.
○ 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 (13) each time installed.
8
Fig. 8
13
Fig. 9
CAUTION
● Before operation, make sure the blade has
been properly installed.
● 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.
WARNING
For HITACHI BRAIN heads or HITACHI alloy
head, use only fl exible, 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 6-11/16˝
(17 cm) each. (Fig. 10)
6-11/16˝ (17 cm)
CH-100

OPERATING PROCEDURES

Engine oil
○ Always use the specifi ed engine oil (multigrade oil
of classifi cation SAE 10W-30). Insuffi cient engine
oil or using engine oil other than the specifi ed type
may cause breakdown of the unit.
Filling up with engine oil
○ Place the unit horizontally on a clean, fl at surface.
○ Remove the oil cap and check whether the engine
oil comes up to the mouth of the oil tank opening.
(Fig. 11)
6-11/16˝ (17 cm)
Fig. 10