D20x22 Series II Navigator HDD
Operation 50-11
S
TRIKE
A
LERT
S
YSTEM
- T
EST
Test the Strike Alert system before operating the drill unit. Do not
operate drill unless the Strike Alert test confirms the system is
operational.
Step 1:
Ensure current sensing coil
(1)
and coil connectors are
not damaged.
Step 2:
Unwind voltage stake cable. Ensure cable and
connections are clean and undamaged.
Step 3:
Insert voltage stake
(2)
into the ground at least six ft
(2 m) away from machine and not over the drill string.
The voltage stake must be inserted in the ground for Strike Alert system test to pass.
Step 4:
Press
Test Key
(3)
. The Strike Alert alarm must sound. Release key to
silence alarm.
The alarm must sound when operator presses the
Test Key
. A successful test is
indicated when the green light
(4)
remains steady ON after the test key is released.
If there is a flashing green light after releasing the test key, the Strike Alert system
is not functioning correctly. Confirm that the voltage stake is fully inserted into the
ground. The soil at the stake may need to be moistened to improve conductivity of
the earth. Retest the system. If the test fails to pass, contact your Vermeer dealer.
The Strike Alert system automatically runs a system check whenever the machine is
powered up (ignition key turned from OFF to RUN).
The alarm does not sound
during the power-up system check
.
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