Operating Procedures - Hitachi CS 33EDT Instruction Manual

OPERATING PROCEDURES

Fuel (Fig. 8)
WARNING
○ The chain saw 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 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 lling half the amount of gasoline, which is to be used.
Then add the whole amount of oil. Mix (shake) the fuel mixture. Add the
remaining amount of gasoline.
Mix (shake) the fuel-mix thoroughly before fi lling the fuel tank.
Fueling
WARNING (Fig. 9)
○ Always shut off the engine and let it cool for a few minutes before
refueling.
○ Do not smoke or bring fl ames or sparks near the fueling site.
○ Slowly open the fuel tank (13), when fi lling up with fuel, so that
possible overpressure disappears.
○ Tighten the fuel tank cap carefully, after fueling.
○ Always move the unit at least 3 m from the fueling area before
starting.
○ Always wash any spilled fuel from clothing immediately with soap.
○ Be sure to check any fuel leaking after refueling.
13
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.
Fig. 8
14
Fig. 9
Chain oil (Fig. 9)
Slowly open the oil tank (14), and fi ll up with chain oil. Always use
good quality chain oil. When the engine is running, the chain oil is
automatically discharged.
Fill up the oil tank (14) with chain oil every time when refueling.
NOTE
When pouring fuel (13) or chain oil (14) into the tank, place the
unit with cap side up. (Fig. 9)
Starting the cold engine (Fig. 10-15)
CAUTION
Before starting, make sure that the bar/chain does not touch
anything.
1. Make sure chain brake is engaged. (Fig. 10)
2. Set ignition switch (15) to ON position. (Fig. 11)
3. Push priming pump (16) about ten times so that fuel fl ows through
priming pump into carburetor.(Fig. 12)
4. Turn the choke lever (17) to choked position (Fig. 12). This will
automatically lock the throttle in starting position.
English
Fig. 10
15
Fig. 11
17
16
Fig. 12
7