Maintenance
12-13
to 12 hours to recharge. We recommend you not leave a battery on the
charger for more than 24 hours after the charge light has gone out.
Storing the 6400-03 Batteries
Store batteries fully charged, and in a cool place, if possible. For long term
storage, place the batteries on the charger overnight every three months.
Replacing the Battery Fuse
There is a 10A automotive type fuse located inside the metal cover of the
6400-03 battery. If the battery fails to power the LI-8100A, and will not light
the charge indicator on the battery charger, check to see if the fuse has blown.
To replace the fuse, cut the black tape on the battery pack along the long axis,
between the two halves of the battery. Carefully remove the top half of the battery
(the half with the electrical cables), and lay it to the side with the wires still
attached. Check to see if the fuse has blown. Replacement fuses (p/n 438-03142)
plug into the spade connectors; no soldering is required. After replacing the fuse,
tape the battery covers together.
10 cm Survey Chamber Gasket Replacement
The 10 cm Survey Chamber uses a series of three gaskets to seal the chamber
against air leaks between the soil collar and the chamber. The first gasket is a
black neoprene "rolled" type gasket that is located on the bottom of the moveable
part of the chamber; in most cases this gasket will not need to be replaced unless it
is inadvertently damaged. The other two gaskets are located on the underside of
the chamber, beneath the metal flange that envelopes the soil collar. These two
gaskets, and in particular, the white foam gasket, may need to be changed with
some regularity. A gasket kit containing the black rubber gasket and foam seal
gaskets can be purchased under part number 8100-622.
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