circuit fuse, battery charger fuse, and the 250-
the battery charging circuit when the circuit is
ohm field current rheostat fuse (par.
in operation for charging the batteries within
b. Disassembly. Fuses referenced in, a
the test stand.
above, are removed by turning the fuse holder
c. 250-Ohm Field Current Rheostat Fuse.
counterclockwise and lifting the cap. The fuse
is held in the cap with a friction type sleeve and
The 250-ohm field current rheostat fuse, located
is removed by pulling outwardly on the fuse.
under the fuse holder (56, fig. 16) is a 5-ampere
32-volt type ABS (4AB) fuse (fig. 65). It
provides overload protection for the 250-ohm
(1) Inspect the fuse holder for cracks,
field current rheostat circuit when testing dc
breaks, and damaged threads.
d. Assembly. Place a serviceable fuse in the
fuse holder cap for each of the fuses in a above,
a. General. operator and/or crew mainte-
and screw the fuse holder cap in place by turn-
nance is limited to such disassembly and as-
ing it clockwise in the test stand.
sembly required to replace the variable volts