Ice Device System - Efco 147 Instruction Manual

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OPERATION
• Slowly push the purge bulb 6 to 8 times (C, Fig. 47).
• Move the on/off switch (D) to the start position "I".
• Pull the choke lever (E) to the fully extended position (
Choke). The half-throttle is automatically set when choke lever
is set at Full Choke.
• Depress the compression relief valve (F, Fig. 48). Pull the star-
ter rope until the first firing of the engine is heard (no more than
five (5) pulls). A new unit may require additional pulls.
NOTE: Compression relief valve automatically resets after
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the first firing.
• Push the choke lever (E) completely in to the engine Run posi-
tion, as shown in Fig. 47.
• Depress the compression relief valve (F) and pull the starter
rope until the engine starts.
• Immediately after the engine has started, depress the throttle
trigger lockout (H, Fig. 49), quickly squeeze and release the
throttle trigger (I). This releases the throttle trigger from the
half-throttle position and lets the engine idle. Place chain brake
lever / hand guard into the run position as shown in Fig. 46.
Refer to Safety-Chain Brake and Operation-Chain Brake
Sections for additional information.
• When pulling the starter rope, do not use the full extent of the
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rope as this can cause the rope to break. Do not let starter rope
snap back. Hold the handle and let the rope rewind slowly.
WARNING: Do not cut material with the choke/fast
idle lever at the FULL CHOKE position. Do not ope-
rate your chainsaw with the starting throttle lock
engaged. Cutting with the starting throttle lock enga-
ged does not permit the operator proper control of
the saw or chain speed.
NOTE - STARTING WARM ENGINE:
Follow above starting instructions, but do not use the Full
Choke position for start up again. To set fast idle for warm
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engine starting, pull choke out completely and push back in
to the original Run Position.
WARNING: Weather conditions and altitude may
affect carburetion. Do not allow bystanders close to
the chain saw while adjusting the carburetor.
WARNING: Never attempt to start the chainsaw when
the guide bar is in a cut or kerf.
WARNING: Never start the saw engine without the
49A
bar, chain and clutch cover (chain brake) assembled
- or else the clutch can come loose and cause
personal injuries.

Ice Device System

In the event of temperatures below 0°C, move the cursor (A, Fig.
49A) to the winter position. The winter symbol (Fig. 49 A) must be
indicated by the arrow stamped on the slide. In this way heated air
from the cylinder is also taken in, preventing thus the formation of ice
inside the carburettor.
When the temperature rises above +10°C, move the cursor (A,
Fig. 49 B) to the summer position. Failure to reset this parame-
49B
ter could impair motor performance due to overheating.
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