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5.2
BEGIN WORK PROCEDURE
5.2.1 DIGGING SITE
The backhoe should be set up and ready to run tractor
/ skidsteer is running and all preparation procedures
reviewed and done. Tractor / skidsteer manual should
also be reviewed before starting.
Follow this procedure to start digging:
•
Move the tractor / skidsteer to its appropriate loca-
tion
•
Set the park brake.
•
Increase engine speed to mid-range or rated PTO
RPM.
•
Place hydraulic circuit in detent or if you have the
optional PTO pump, engage PTO (refer to tractor
manual).
•
Lower the front loader to the ground, and lower the
stabilizers, as described in machine setup.
•
Remove the boom swing and boom lock pins and
stow in the pin holders
•
Swing the drivers seat around or take position in
the operator's seat.
•
Use the controls to begin digging.
5.2.2 DIGGING ACTION
When starting to dig, make the first cut of each section shallow, being careful to follow the exact layout of the dig
site. These first cuts will act as guides for the remaining cuts, so getting the first few cuts as accurate as possible
will help in keeping all future cuts in line.
There are two different methods of digging, using the dipper or using the bucket
Digging With Dipper:
1. Set the bucket at the appropriate angle as shown by
profile.
2. Set the dipper so the bucket teeth hit the ground
approximately 2 feet (0.6 m) ahead of pivot.
3. Retract the dipper to pull the bucket through the soil
until it is full.
4. Raise the boom and dump the bucket.
5. Repeat this procedure to continue digging by extending
the bucket 3–6 inches (75–150 mm) further each time.
NOTE:
Be sure the dipper and
bucket angles are set so that the
heel of the bucket does not hit the
bottom of the hole.
31
WARNING!
Stability Hazard !
For maximum stability on tractors,
use the front-end loader and
backhoe stabilizers to relieve some
weight off the tractor tires. Using
the backhoe with tires raised off the
ground could result in damage to
the tractor or the backhoe subframe.
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