Operating Procedures - Hitachi Koki CG 31EBS Serie Manual De Instrucciones

English
Installation of nylon head (Fig. 16)
Attach cutter holder (6) to the gear case. Insert an
Allen wrench into the hole in the gear case to attach
nylon head (7) by turning it clockwise.
6
7
NOTE
Since cutter holder cap is not used here, keep it
for next metal blade use.

OPERATING PROCEDURES

Fuel (Fig. 17)
25~50
A
WARNING
● The brush cutter 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 fl 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.
10
Fig. 16
B
1
Fig. 17
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.
○ Only for the state of California at 50:1.
○ 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 fi 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 fi lling the
fuel tank.
Fueling
WARNING
● Always shut off the engine before refueling.
● Slowly open the fuel tank, when fi lling up
with fuel, so that possible over-pressure
disappears.
● Tighten the fuel cap carefully, after fueling.
● Always move the brush cutter at least 10 ft
(3 m) from the fueling area before starting.
● Always wash any spilled fuel from clothing
immediately with soap.
● Be sure to check for any fuel leakage after
refueling.
Before fueling, clean the tank cap area carefully,
to ensure that no dirt falls into the tank. Make sure
that the fuel is well mixed by shaking the container,
before fueling.