COMPONENT MAINTENANCE MANUAL
BA27
24-01-01
T
h
is docum
ent
contains D
a
ta
control
led by th
e U.S. Export Admini
str
a
tion
Reg
u
lati
ons. Di
versio
n or use
contrary to U.S. law is
proh
ibit
ed
U
REPAIR
1.
U
Unserviceable Monoblocs
U
NOTE
U
:
Monoblocs are serial numbered in pairs; the two units carry the same
serial number as is shown on the label on the battery container.
When re-blocking, the existing label should be removed from the
battery container and replaced with a new label and enter the original
serial number, reblocking serial number and date.
Re-blocking kits can be purchased from Crane Aerospace or approved distributor
and can be installed by the purchaser. Alternatively, the expired battery can be
returned to an approved repair agent for re-blocking.
2 .
U
Zero Battery Voltage
If the open circuit voltage is recorded as zero, either,
i) Repair unit per A, B, C below.
or
ii) Return battery to address shown in paragraph 1.
If repaired unit in i) still records open circuit voltage as zero, return battery to
address in paragraph 1 for an inspection by the manufacturer to determine the
cause of failure.
To replace a pair of cell blocks, proceed as follows:-
Figure references are to IPL.
A.
Replace label ( 170 ) on front of outer case assembly ( 30 ) with new
label and enter the original serial number, reblocking serial number
and date.
B.
Remove unserviceable monoblocs (see Disassembly).
C. Renew
unserviceable
monoblocs (see Assembly)
D.
Carry out capacity test (see Testing)
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Jun 26/20