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Owner’s Manual
ECV-4501
WARNING!
When the engine starts with the throttle lock
engaged, the engine speed is high enough to make
the chain rotate.
Starting Warm Engine
1. Set ignition switch to ON position. Press decompression valve and pull recoil starter.
2. If engine does not start easily, press decompression valve again, pull choke knob fully and return it. This
will lock the throttle in starting position. Pull recoil starter.
CHAIN OIL (Fig. 2-1 B)
Fill the chain oil reservoir (2). Always use good quality
chain oil. When the engine is running, the chain oil is
automatically discharged.
NOTE!
When pouring fuel (1) or chain oil (2) into the tank,
place the unit with cap side up. (Fig. 2-1B)
(i 2 )
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 (1) counterclockwise to decrease the quantity and turn it clockwise to increase the quantity.
(Fig. 2-1 C)
Do not try to turn the screw beyond level marks.
CAUTION!
Before starting, make sure chain brake is disengaged (if so equipped) and that the Bar/chain does not touch anything.
1 . Set ignition switch (1) to ON position.
*Push decompression valve (1) (if so equipped). This valve will return when engine started. (Fig. 2-2B)
2. Pull choke knob fully to choked position. This will automatically lock the throttle in starting position. (Fig. 2-3)
3. Pull recoil starter slowly until you feel compression resistance, and then pull briskly, taking care to keep the handle
in your grasp and not allowing it to snap back. (Fig.2-4)
4. When you hear the engine want to start, with the safety trigger (1) pressed, pull throttle trigger (2). This will
release the throttle from starting position to run position and will return the choke knob to run position automatically
(Fig. 2-4B)
5. Pull recoil starter briskly again in the fore mention manner.
NOTE!
If engine does not start, repeat procedures from 2 to 5.
6. After starting engine, pull throttle trigger to release throttle lock. Then allow the engine about 2-3 minutes to warm
up before subjecting it to any load.
Starting cold engine (Fig. 2-2,2B, 3,4,4B)