Hitachi CS33ET Instruction Manual page 8

English j
Operating procedures
Fuel (Fig. 7)
A_B
Fig. 7
/_\ 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 flammable 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 orTCW (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 filling 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 filling the fuel tank.
Fueling
J!\_WARNING! (Fig. 8)
= Always shut off the engine before refueling.
* Slowly open the fuel tank (13), when filling up with fuel, so
that possible overpressure disappears.
* Tighten the fuel cap carefully, after fueling.
* Always move the unit at least 10ft (3m) 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 1478_-_
Fig. 8
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.
Chain oil (Fig. 8)
Fill up with chain oil (14). Always use good quality chain oil. When
the engine is running, the chain oil is automatically discharged.
NOTE!
When pouring fuel (13) or chain oil (14) into the tank, place the unit
with cap side up. (Fig. 8)
ADJUSTMENT OF CHAIN OIL SUPPLY
The chain oil quantity discharged through the lubrication system is
factory adjusted to the maximum. Adjust the quantity in accordance
with the operating condition.
Turn the adjusting screw (15) counter-clockwise to increase the
quantity and turn it clockwise to decrease the quantity. (Fig. 9)
(standard setting turns counter-clockwise 1-1 1/2 from slightly
seated)
15
®
Fig. 9
Starting (Fig. 10, 11)
/_._ WARNING]
When the engine starts with the throttle lock engaged, the
engine speed is high enough to make the chain rotate.
CAUTION!
Before starting, make sure the chain brake is engaged (if so
equipped) and that the bar/chain does not touch anything.
1. Set ignition switch (16) to ON position.
*Push priming bulb (18) several times so that fuel flows through
bulb into carburetor. (If so equipped) (Fig. 10)
ON 17
_- _18
Fig. 10
2. Push the choke lever (17) down to choked position. This will
automatically lock the throttle in starting position. (Fig. 10)
3. Pull recoil starter briskly, taking care to keep the handle in your
grasp and not allowing it to snap back. (Fig. 10)
4. When you hear the engine want to start, with the safety trigger (19)
pressed pull throttle trigger (20). This will release the throttle from
starting position to ran position and will automatically return the
choke lever to run position. (Fig.10, 11)
20 1_
Fig. 11