OPERATING INSTRUCTIONS
AU104488 C6B 24
Cupped Teeth
RT160001
Cupped teeth are the best in cutting light to medium soil.
The cupped design of the tooth cuts the soil and then
moves the soil up and out of the trench.
NOTE:
Additional digging teeth combinations may be
available to meet particular soil conditions. See your Astec
dealer for additional information.
BEFORE YOU OPERATE
Starting the Trench
NOTE:
Know the location of all underground utilities
before starting.
1. Make sure all persons are away from the machine
before you start the engine and while you are
trenching.
2. To assist in digging a straight trench, stretch a string
line along the trench route on the side opposite the
auger discharge.
3. After the engine has reached operating temperature,
move the machine so the trencher boom is several
feet beyond the starting point of the trench.
4. Align the machine to the center line of the new
trench.
5. Lower the trencher boom close to the ground.
6. Move the throttle to FAST.
7. Press the trigger on the ground drive control joystick.
8. Engage the digging chain. Slowly lower the trencher
boom into the ground to the necessary depth.
NOTE:
The trigger on the ground drive joystick must be
continually engaged or the digging chain will stop.
9. When the trencher boom is completely down to the
necessary depth, move the ground drive control
slowly.
10. Use the creep control to adjust the machine speed for
the soil conditions.
NOTE:
If the drive wheels start to slip excessively,
decrease the speed.
11. When the trenching is complete, move the ground
drive control to NEUTRAL, and slowly raise the
trencher boom.
12. Move the digging chain control to the stop position
13. Move the throttle to SLOW and stop the engine.
WARNING:
Be careful when working near the
side of a trench. Serious injury or death can result
if the walls of the trench fall.
WARNING:
Make sure all people are clear of the
digging chain while the digging chain is rotating.
Serious injury or death can result from contact
with the digging chain.
WARNING:
Sharp moving parts - do not remove
restraint bar. Keep clear of hazardous area. KEEP
CLEAR. Serious injury or death can result from
bodily contact.
WARNING:
Never allow anyone in the trench
while digging.
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