Operating Procedures - Hitachi CM 75EAP Handling Instructions Manual

OPERATING PROCEDURES

Fuel
WARNING
○ The machine 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 is highly fl ammable and it is possible to get seriously
injured when inhaling or spilling on your body.
Always pay attention when handling fuel. Always have
good ventilation when handling fuel.
Fuel (Fig. 20)
○ Always use branded 89 octane unleaded gasoline.
○ Use genuine two-cycle oil or use a mix between 25:1 to
50:1, please consult about the oil mixture ratio to Hitachi
Authorized Service Centers.
○ 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.
○ Never mix fuel and oil in machine's fuel tank. Always mix
fuel and oil in a separate clean container.
25-50
Fuel mixing method
Always start by fi lling half the amount of gasoline, which is to
be used into container.
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.
Mixing amount of two-cycle oil and gasoline
Gasoline (Liter)
0.5
1
2
4
Fueling (Fig. 21)
Before fueling, clean fuel tank cap (20) area carefully to
ensure that no dirt falls into the tank. Make sure that the fuel
is well mixed by shaking the container before adding fuel.
20
1
Fig. 20
Two-cycle oil (ml)
Ratio 50:1 Ratio 25:1
10 ———
20 ———
40 ———
80 ———
Fig. 21
WARNING
○ 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 fuel.
○ Slowly open the fuel tank cap (20), 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.
○ Before fueling, in order to remove static electricity from
the main body, the fuel container and the operator,
please touch the ground that is slightly damp.
Starting the cold engine (Fig. 22-27)
CAUTION
Before starting, make sure that the cut-off wheel does
not touch anything.
1. Set stop switch (21) to ON position. (Fig. 22)
2. Pull choke lever (22) fully to set it in the START position.
(Fig. 23)
20
40
3. Push the priming pump (23) approximately ten times so
80
that the fuel fl ows into the carburetor. (Fig. 24)
160
4. Fully pull the throttle lever (24) while pressing the throttle
lever lockout (25). Then press the throttle lock (27).
This will automatically lock to half throttle, to aid in
starting the engine. (Fig. 22)
9
21
27
24
Fig. 22
Fig. 23
23
Fig. 24
25
22