Manual Hitachi CS33EB (page 11 of 80) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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ASSEMBLY PROCEDURES

WARNING

Never try to start engine without side case, bar and chain

securely fastened.

1. Pull the chain brake (14) toward the front handle to check that the

brake is disengaged. (Fig. 9).

2. Remove chain bar clamp nuts (1). Remove the side case (2).

(Fig. 1)

* In case of inst

alling the spik

ed bumper (3), install the spiked

bumper (3) (if so equipped) to the unit with two screws. (Fig. 2)

3. Install the chain bar (4) onto the bolts (5), then push it toward the

sprocket (6) as far as it will go. (Fig. 3)

4. Conﬁ rm the dire

tion of saw chain (9) is correct as in the ﬁ gure,

and align the chain on the sprocket. (Fig. 4)

5. Guide the chain drive links into the bar groove all around the bar.

6. Install the side case (2) onto the bolts (5).

Make sure that the boss of chain te

sion adjust bolt (7) ﬁ ts into

the hole of the bar (8). (Fig. 3)

Then tighten the clamp nuts (1) by hand that allows the chain bar

end to move up and down easily.

(

Fig. 1

)

7. Raise the bar end, and tighten the chain (9) by turning the tension

adjustment bolt (10) clockwise. To check proper tension, lightly

lift up the center of chain and there should be about 0.5 – 1.0 mm

clearance between bar and edge of drive link (11). (Fig. 5, 6)

CAUTION

PER TENSION IS EXTREMELY IMPORTANT

8. Raise the bar end and securely tighten the chain bar clamp nuts

with the combi box spanner. (Fig. 6)

9. A new chain will stretch so adjust the chain after a few cuts and

watch chain tension carefully for the ﬁ rst half hour of cut

ting.

Check the chain tension frequently for optimum performance

and durability.

CAUTION

○ When the chain is excessively tightened, the bar and chain will

be damaged rapidly. Conversely, when the chain is excessively

loosened, it may get out of the groove in the bar.

○ Always wear gloves when touching the chain.

WARNING

During operation, hold chain saw ﬁ rmly with both hands. A single

hand operation may cause serious injury.

OPERATING PROCEDURES

Fuel (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 ﬂ ammable and it is possible to get the

serious personal injury when inhaling or spilling on your body.

Alw

ys 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 no

t ava

ilable, 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 separa

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. 8)

○ Always shut oﬀ the engine before refueling.

○ Slowly open the fuel tank (12), when ﬁ lling up with fuel, so that

possible overpressure disappears.

○ Tighten the fuel cap carefully, after fueling.

○ Always move the unit at least 3 m from the fueling area before

starting.

○ Always wa

sh an

y spilled fuel from clothing immediately with

soap.

○ Be sure to check any fuel leaking 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.

Chain oil (F

ig.

Fill up with chain oil (13). Always use good quality chain oil. When the

engine is running, the chain oil is automatically discharged.

NOTE

When pouring fuel (12) or chain oil (13) into the tank, place the

unit with cap side up. (Fig. 8)

Starting (Fig. 9 - 13)

CAUTION

fore starting, push the chain brake (14) so that the brake is

engaged, and make sure that the bar/chain does not touch

anything.

Pull the choke lever (16) fully, and with the throttle trigger lockout

(18) pressed, pull the throttle trigger (19). If the choke lever (16)

automatically returns to former position

, the chok

e lever (16) is

the auto return choke lever. (Fig. 9, 11, 13)

1. Set ignition switch (15) to ON position. (Fig. 10)

2. Pull the choke lever (16) fully.

The auto return choke lever, if so equipped, will automatically

lock the throttle in starting position. (Fig. 11)

*Pu

h priming pump (17) several times so that fuel ﬂ ows through

bulb into carburetor. (Fig. 11)

3. Pull recoil starter briskly, taking care to keep the handle in your

grasp and not allowing it to snap back. (Fig. 12)

4. When you hear ﬁ rst ignition, push the chok

e le

ver (16) fully. (Fig.

11)

5. Pull recoil starter briskly again in the aforementioned manner.

(Fig. 12)

NOTE

If engine does not start, repeat procedures from 2 to 5.

6. If the auto return choke lever is equipped, as soon as engine

starts, with the throttle trigger lockout (18) pressed, pull the

thro

tle trigger (19) and immediately release the throttle trigger

(19). Then half-throttle is disengaged. (Fig. 13)

Pull the chain brake (14) so that the brake is disengaged. (Fig. 9)

Allow the engine about 2–3 minutes to warm up before subjecting

it to any load.

Do not ru

n the engine at high speed without the load to avoid

shortening the life of the engine.

Chain brake operation (Fig. 9)

Chain brake (14) is designed to activate in an emergency such as

kick-back action. Please check to verify that it works properly before

use.

Application of brake is made by moving the front guard towa

ds the

bar. During the chain brake operation, even if the throttle lever is

pulled, the engine speed does not increase and the chain does not

turn. To release the brake, pull up the chain brake lever.

How to conﬁ rm:

1) Tu rn oﬀ the engine.

2) Holding the chain sa

w hori

zontally, release your hand from the

front handle, hit the tip of the guide bar to a stump or a piece

of wood, and conﬁ rm brake operation. Operating level varies by

bar size.

000Book_CS33EB_WE.indb 11000Book_CS33EB_WE.indb 11 2010/11/30 11:09:302010/11/30 11:09:30

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Hitachi CS33EB Manual

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