Echo QV-680 Instruction Manual - page 12
10
QV-680
Running
• When engine starts, keep idling for a few minutes.
• Set the brake lever in the unlocked position before
starting to cut.
• Pull throttle trigger gradually and increase
revolution of the engine.
• The chain starts running when the engine reaches
3800 r/min approximately.
• Confirm proper acceleration and lubrication of
chain and bar.
• Give several strokes to manual oiler button to
confirm extra lubrication.
• Do not run the engine at high speed
unnecessarily.
• Be sure that saw chain stops moving when throttle
trigger is released.
OPERATION (Pre-Ventilation Procedures)
When the engine is warm
CAUTION
Make sure the bar and chain are free from
any obstruction when starting the chain saw.
• Move chain brake lever fully forward to lock chain
brake before starting.
• Confirm there is fuel and chain oil in the tanks.
• Move ignition switch to “RUN” position.
• Securely hold the chain saw as shown and pull
starter handle.
• Choke may be used if necessary, but after first
firing sound, pull throttle trigger to release choke.
• After starting the engine, pull front hand guard
towards the operator immediately. (Chain brake
unlocked position)
Lock chain brake
Unlock chain brake
Starter handle
Ignition switch
Start / Run
Open
Throttle trigger lockout
Throttle trigger
Manual oiler