Saft 4579 - Page 34

SAFT AMERICA INC.
COMPONENT MAINTENANCE MANUAL
4579
24-31-05
PAGE 116
Jan 30/98
FAULT POSSIBLE CAUSE REMEDY
Leakage of electrolyte See “Electrolyte Leakage” in this
section.
Excessive water consumption in
all battery cells
Heavy overcharge or
overcharge at high
temperatures
Defective thermistor
Check the on-
board charging circuit
and adjust if necessary
Test temperature sensor harness
assembly (TESTING AND FAULT
ISOLATION).
One or several cells whose
water consumption differs
significantly from that of other
cells in the battery:
more than 30% above
average
Leaking cell(s) Check sealing of cell(s) (CHECK)
Disassemble and clean the battery
(DISASSEMBLY and
CLEANING)
Check electrolyte level (TESTING
and FAULT ISOLATION)
25% or less of the average
value
Cell(s) with damaged
separator(s)
Perform special testing (TESTING
and FAULT ISOLATION) If
necessary, replace with new Saft
cell (DISASSEMBLY,
ASSEMBLY)
Corrosion on links Operation in acid
atmosphere
Make sure that battery test bench
and storage areas are free from
materials which may produce acid
fumes
Fault Isolation
Figure 106 (Page 3 of 5)