20
Operation
(continued)
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.
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.
DANGER
DANGER
WARNING
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.
If you have difficulty penetrating hard ground, refer to the Troubleshooting
section.
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.
The earth auger should be raised and lowered by changing the elevation and not
the tilt of the quick attach plate.
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.
Deactivate the earth auger, and raise it from the hole.
For “heavy” soil conditions, allow the auger to turn at slow speed while raising it
to the top of the hole.
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.
If necessary, repeat STEPS 8 and 9 to obtain a cleaner hole.
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.
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.
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.
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. For hex spindle, 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". For round spindle, use
Danuser PN 10039 (7/8"
9 x 4-1/4", Gr. 8, 3/4" of thread) special retaining
bolt and nut PN 10042. NEVER use a bolt longer than 4-1/4".
c) Tighten the retaining bolt and nut securely.
Deactivate the auger and place the drive unit in the cradle when moving between
holes.
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.
STEP 6:
STEP 7:
STEP 8:
STEP 9:
STEP 10:
STEP 11:
STEP 12:
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