Echo 74520 Owners Manual v.1 - Manual (Page 15)

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NOTE: Normal engine output is 3600 RPM no load.
1. Check engine oil level before starting.
2. Turn engine fuel valve to the ON position, and move choke lever to the CLOSE
position. NOTE: the choke may not be needed if the engine is warm or the air
temperature is high.
3. Move the throttle level towards the FAST position approximately 1/3 of the way.
4. Depress the clutch pedal and turn the engine switch to START and hold until the
engine starts.
5. Release the key when the engine starts and allow it to return to the ON position.
6. Gradually move the choke lever to the OPEN position as the engine warms.
7. Slowly release foot pedal to engage chipper.
1. Place tractor transmission in neutral and set parking brake.
2 Connect 3 pt. mounts between the chipper and the tractor. Secure connections
with snap pins. Adjust 3 pt. top link so that chipper sits level.
3. Connect PTO shaft to tractor. Make sure you are using the correct RPM machine.
4. Start tractor engine and engage PTO drive clutch (refer to tractor owners manual).
Increase speed to rated PTO RPM position.
Note: Do not inspect or work on PTO drive area without first disengaging PTO
and shutting off tractor engine.
Move machine to a
clear, level area
outdoors before
starting. Do not
operate machine on
a paved, concrete, or
gravel surface. Do
not operate in the
vicinity of
bystanders. Make
sure cutting
chamber is empty
before starting.
Operation
Release the key if the
engine fails to start
within 5 seconds.
Failure to release starter
will overheat and
possible damage the
starter. Wait 10 seconds
before trying again.
Starting Instructions: 20 HP Engine Models
Starting Instructions: PTO Models
This chipper is designed to
be used with tractor PTO's
rated at 15 to 45
horsepower. Using this
chipper with PTO's above 45
horsepower may cause belt
and machine damage in
overload conditions.