Echo 72854s - Manual (Page 17)

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4. Push throttle control in until it stops.
5. Depress foot clutch pedal, this will disengage drive
belt and enable engine to start.
6. Push in and hold Murphy switch push-button.
Continue to hold Murphy switch in when crank-
ing engine until engine is running.
7. Activate the starter switch. Release the switch as
soon as the engine starts. Do not crank over for
more than 10 seconds. Release Murphy switch
after engine is running; hold murphy switch in
longer if engine immediately kills after releasing.
Note: The Murphy switch system will shut the
engine off if the oil pressure is too low or if the
engine temperature is too high. If the engine will not
run or shuts of for these reasons, consult your local
dealer.
8. Push center throttle control button in. Increase
throttle control to full throttle. Turn throttle
control knob clockwise to achieve maximum
RPM.
9. Slowly let foot clutch pedal up. This will engage
drive belt and the rotor will turn. If the engine
kills when engaging the drive belt, release foot
clutch pedal more slowly.
10. When clutch is engaged, the foot pedal may
vibrate or shake until the engine and rotor have
increased to full running RPM (3000 RPM).
Caution: Wear safety glasses at all times
when operating the machine. Do not wear
loose fitting clothing. Protect yourself from
branches, sharp objects, and other harmful objects
with proper eye protection and clothing.
Warning: Do not leave machine unattended
or attempt any inspection or service unless the
engine is stopped and the key switch is in OFF
position. Do not move chipper during operation.
4.3 Starting PTO Model
Warning: This chipper is designed to be used
with tractor PTO's rated at 20 to 60 horse-
power. Using this chipper with PTO's above 60
horsepower may cause belt and machine damage in
overload conditions.
1. Place tractor transmission in park or neutral and
set parking brake. Connect 3 pt. mounts between
the chipper and tractor. Secure connections with
snap pins. Adjust 3 pt. top link so that chipper
sits level.
2. Connect PTO shaft to tractor. Make sure you are
using the correct RPM machine. Do not operate
machine at speeds different than specified on
shield.
3. Never inspect or work on PTO drive area without
first disengaging PTO and shutting off tractor
engine.
4. Start tractor engine and engage PTO drive clutch
(see tractor owner's manual). Increase engine
speed to rated PTO RPM position.
Caution: Wear safety glasses at all times
when operating the machine. Do not wear
loose fitting clothing. Protect yourself from
branches, sharp objects, and other harmful objects
with proper eye protection and clothing.
Warning: Do not leave machine unattended
or attempt any inspection or service unless
PTO is disengaged and the tractor engine is stopped.
Do not move chipper during operation.
4.4 Chipping
Warning: Keep face and body away from the
feed opening. Do not over reach. Keep
proper balance and footing at all times.
The chipper is designed to chip a variety of materials
into a more readily decomposing or handled
condition. The following guidelines can be used to
help you get started. Please read and follow all safety
instructions in this manual. Failure to operate the
chipper in accordance with the safety instructions
MAY RESULT IN PERSONAL INJURY!
1. Be sure the unit is at full operating speed before
you start to chip material.
2. Select limbs that are up to 8 inches in diameter
for 25 HP model. The 28 HP and PTO models
will chip limbs up to 9 inches in diameter. Trim
side branches that cannot be bent enough to feed
into the chipper chute. Small diameter branches
can be held together in a bundle and fed in
simultaneously.
S E C T I O N 4