Owners manual

9
English
○ The cutting head must be securely mounted to
the unit’s gear case/cutter case.
○ If the cutting head does not feed cutting line
properly, check that the nylon line and all
components are properly installed. Contact
Hitachi Authorized Service Centers if you need
assistance.
WARNING
For Hitachi heads, 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.
3. Installation (Fig. 4)
Insert the Hex bar wrench (8) into the hole of the
gear case and groove of the Cutter holder (9) in
order to lock the shaft.
Install cutting head on gear case/cutter case of
grass trimmers. The mounting nut is left-hand-
threaded. Turn clockwise to loosen/counter-
clockwise to tighten.
8
9
Fig. 4
4. Adjusting line length
Set the engine speed as low as possible and tap
the head on the ground. The nylon line will be
drawn out about 1-3/16˝ (3 cm) with each tap.
(Fig. 5)
Fig. 5
Also, you can extend the nylon line by hand but
the engine must be completely stopped. (Fig. 6)
Fig. 6
Adjust the nylon line to the proper length
of 4-11/32˝–5-1/2˝ (11–14 cm) before each
operation.
OPERATING PROCEDURES
Fuel (Fig. 7)
Fig. 7
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 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.
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 Authorized Service Centers.
○ Only for the state of California at 50:1.
000Book_CG23ECP_US.indb 9000Book_CG23ECP_US.indb 9 2015/11/20 11:39:132015/11/20 11:39:13