Danuser HP-3060 Hex - Manual (Page 13)

Operation
(continued)
STEP 6: The hydraulic flow rate or pressure should not exceed the earth auger’s specified
maximums. The hydraulic minimums must be met to deliver satisfactory
performance. Use only enough down pressure to assure positive penetration of
the auger into the ground. Ease up on down pressure if auger rotation slows
down drastically or stalls. Excessive down pressure will cause the auger to
frequently stall. See Hydraulic Requirements section for filtration, pressure, and
flow rate specifications.
STEP 7: When the auger has been lowered about 24 inches into the ground, raise the auger
almost out of the hole to clear the dirt, then drill deeper and raise the auger again.
Repeat this procedure until the desired hole depth is reached.
STEP 8: When the auger has reached the full depth required, allow the auger to dwell
momentarily at this depth at a slower speed to assist in cleaning out the hole.
STEP 9: Deactivate the earth auger, and raise it from the hole.
STEP 10: Move away from the hole, then remove loose dirt from the auger by momentarily
actuating the earth auger and spinning it at a faster speed than used for drilling.
STEP 11: If necessary, repeat STEPS 8 and 9 to obtain a cleaner hole.
Replacement of the retaining bolt should be as follows:
a) Shut off the vehicle engine, and remove the vehicle key.
b) Install a new Danuser retaining bolt. This is a special thread length bolt -
use genuine Danuser replacement parts only. Use Danuser PN 10038
(3/4” 10 x 4”, Gr. 8, 3/4” of thread) special retaining bolt and nut
PN 10041. NEVER use a bolt longer than 4”.
c) Tighten the retaining bolt and nut securely.
STEP 12: Deactivate the auger and place the drive unit in the cradle when moving between
holes.
The earth auger should be raised and lowered by changing the elevation and not
the tilt of the quick attach plate.
Do not shovel dirt away
from a rotating auger, as
the shovel can be caught
and thrown by the auger.
To prevent injury, keep an
area of at least twenty-five
feet (25’) around the auger
clear of bystanders and all
other people.
For “heavy” soil conditions, allow the auger to turn at slow speed while raising it
to the top of the hole.
Replace a broken,
damaged, or missing
auger retaining bolt ONLY
with an authorized factory
replacement. An auger
retaining bolt that is too
long increases the
possibility of personal
injury. The auger
retaining bolt must be of
the proper size and grade
to function properly.
If you have difficulty penetrating hard ground, refer to the Troubleshooting
section.
Frequently check the condition of the auger teeth and point, and replace them
when wear is detected. Always keep spare parts on hand for replacements to
avoid damage to the auger head and auger flighting.
Since the earth auger uses a Grade 8 retaining bolt, all vehicles must be protected
with relief valves or some other means of protection against excessive pressures.
Failure of the retaining bolt is a possible indication of excessive pressure.
If the auger becomes lodged under rocks, roots, or other large obstructions, do
not attempt to pull the auger out of the ground. If this happens, reverse the auger
rotation (counter-clockwise), and slowly raise the auger. Once unstuck, continue
operation.
In some soil conditions, or when excessive down pressure is applied, the auger
may screw itself into the ground and become stuck, causing the earth auger to
stall. Do not attempt to pull the auger out of the ground. Instead, reverse the
auger rotation (counter-clockwise), and slowly raise the auger. Once unstuck,
continue operation.
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