User's Manual

26 LS420 Universal User Manual V2.91 2003-01-21.doc
Step 8.
To install the three fresh, top quality, alkaline “C”
cells the positive/negative alignment of the batteries as in-
dicated on the interior walls of the box must be respected.
Insert the negative pole first. Once the negative pole is
halfway in, gentle pressure in the direction of the negative
pole will allow the positive end of the battery to be pushed
in. Do not force more than is necessary. Upon installa-
tion of the third battery, the indicator LED will light briefly,
indicating correct placement of the batteries
Step 9. Clean the leading edges of the box and
the surface of the load cell where contact is to be
made.
Step 10.
Apply the RTV non-corrosive silicone to the link to create a joint of 1/8th inch.
Step 11.
Reconnect the wire connector. Only one orientation is possible. When correct ori-
entation is achieved, press down to mate securely.
Once again the small flat
head screwdriver may help:
use extreme caution!
Step 12.
Reposition the box over the link. Avoid pinching the connecting wire between the
box and the link or between the batteries and the link. Verify that the silicone forms an ef-
fective seal all around the joint between box and link.
Step 13.
Secure the box to the link by tightening the two Phillips head screws.
Step 14.
Clean off excess silicone.
Step 15.
If battery replacement has been successful, the “Low Batt” icon of the cabin-
mounted display will no longer be lit. Use of the test function will confirm new battery
status.
Step 16.
Reinstall load sensor.