Hitachi GC22EAD Trimmer User Manual


 
11
English
Installation of cutting blade (Fig. 18)
(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.
23
21
20
22
19
Fig. 18
NOTE
When installing cutter holder cap (20), be sure to
set concave side upward.
Insert the alien wrench (19) into the hole of the
angle transmission in order to lock the cutter
holder (21). Please note that the cutter xing bolt
or nut (22) has left-handed threads, (clockwise to
loosen/ counter-clockwise to tighten). Tighten the
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 pin (23) each time installed. (Fig. 19)
23
Fig. 19
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.
WARNING
For Hitachi heads, use only exible,
non-metallic line recommended by the
manufacturer. Never use wire or wire ropes.
They can break o and become a dangerous
projectile.
OPERATING PROCEDURES
Fuel (Fig. 20)
Fig. 20
WARNING
The trimmer is equipped with a two-stroke
engine. Always run the engine on fuel, which
is mixed with oil.
Provide good ventilation, when fueling or
handling fuel.
Fuel contains highly ammable and it is
possible to get the serious personal injury
when inhaling or spilling on your body.
Always pay attention when handling fuel.
Always have good ventilation when handling
fuel inside building.
Fuel
Always use branded 89 octane unleaded
gasoline.
Use genuine two-cycle oil or use a mix between
25:1 to 50:1, please consult the oil bottle for the
ratio or Hitachi dealer.
If genuine oil is not available, use an anti-oxidant
added quality oil expressly labeled for air-cooled
2-cycle engine use (JASO FC GRADE OIL or ISO
EGC GRADE). Do not use BIA or TCW (2-stroke
water-cooling type) mixed oil.
Never use multi-grade oil (10 W/30) or waste oil.
Always mix fuel and oil in a separate clean
container.
Always start by ling half the amount of fuel, which
is to be used. Then add the whole amount of oil. Mix
(shake) the fuel mixture. Add the remaining amount
of fuel.
Mix (shake) the fuel-mix thoroughly before lling the
fuel tank.