TM 11-6130-413-40
counter-clockwise to stop and return to 1 HR position.
(3) Proceed to next phase when cell voltages are at
(4) Set AUTO/MANUAL DISCHARGE timer (M2)
zero (deep discharge).
to START position.
CAUTION
(5) Rotate AUTO/MAN CHARGE NO. 2 timer
When a battery is taken from storage for
(Ml) counter-clockwise to stop and return to 1 HR
charging monitor charger periodically dur-
position.
ing first 45 minutes to make sure that bat-
(6) Set ON-OFF switch (CB1) to ON position.
tery is receiving normal charge pulses.
(7) Press POWER RESET switch (S5) momen-
sometimes a battey will go into trickle pre-
tarily.
maturely because of internal conditions re-
(8) Set FUNCTION SELECT switch (S4) to AUTO
suiting from storage, If this occurs, allow
position.
battery to charge for the full hour, discharge
(9) Set 30V-3V switch (S3) to 30V position.
it, and charge it again. This will condition
(10) Set DISCHARGE AMP-HR switch (S7) to ap-
the battery f&nod charging.
c. Phase 3, 4, 5--Initial Charge, Capacity Test,
propriate position for one-hour rate (example: set to
17-31 for a BB-433A/A battery, 0-17 for a BB-432
Final Charge (Auto Cycle) This is a continuation of
A/A battery).
Phase 2; proceed as follows:
(1) Set 30V-3V switch (S3) to 30V position and
(11) Set CHARGE AMP-HR control (R16) to ap-
disconnect any test leads used in Phase 2.
propriate position for one-hour rate (example: set to
approximately 35 AH for a BB-433 A/A battery). Note
(2) Set AUTO CHARGE NO. 1 timer (M3) to
that battery should trickle-charge during the final 5 to-
START position.
10 minute of the charge cycle; adjust control accord-
(3) Set AUTO/MANUAL DISCHARGE timer (M2)
ingly.
to START position.
(12) Set DISCHARGE AMP control (R15) to
(4) Set AUTO/MAN CHARGE NO. 2 timer (Ml)
appropriate position (example: set to approximately 30
to START position.
amperes for a BB-433A/A battery). Use ammeter (M5)
(5) Set FUNCTION SELECT switch (S4) to AUTO
for precise setting.
position.
(13) If FAIL light illuminates, clean by moving
(6) Set DISCHARGE AMP-HR (S7), CHARGE
AUTO CHARGE No. 1 timer (M3) clockwise, then
AMP-HR (R2), DISCHARGE AMP (R1) and CELL SE-
back to 1 hour position.
LECT (S6) to appropriate positions, according to bat-
tery type.
(14) Press START switch (S2) momentarily to
initiate operational cycle and observe that the follow-
(7) Press START switch (S2) momentarily to
ing actions occur:
initiate automatic cycle and observe that the following
actions occur:
(a) RUN light (amber, DS6) illuminates.
(a) RUN light (DS6) illuminates.
(b) Discharge light (amber, DS3) illuminates.
(b) Automatic charge light (DS5) illuminates.
(c) Battery VOLTAGE (M4) and CURRENT
(c) CURRENT meter (M5) reads full scale for
(M5) meters display battery condition.
less than a second, falls back to zero, then rises again
(d) PASS (DS2) or FAIL (DS4) lights illuminate
at EOD. PASS indicates that battery discharged for at
to full scale at next cycle.
least one hour before reaching EOD.
(d) VOLTAGE meter (M4) reads 26-28 volts
after 40 to 50 minutes and unit continues to charge
(15) Monitor individual cell voltage during last 15
minutes of discharge.
battery, at a lower rate, for remainder of cycle. (CUR-
b. Phase 2Equalization (Manual Discharge)- This
RENT meter (M5) still pulses, but for a shorter time
is a continuation of Phase 1; proceed as follows:
during each interval; VOLTAGE meter (M4) is read
during non-active part of pulse cycle.)
(1) Set FUNCTION SELECT switch (S4) to MAN-
UAL DISCHARGE position and set AUTO/MANUAL
(e) Monitor cell voltage during last 15 minutes
DISCHARGE timer (M2) to START position.
of charge cycle.
(f) After a 60-minute period, AUTO CHARGE
(2) Press START switch (S2) momentarily to
initiate operational cycle. Unit will discharge battery
NO. 1 timer (M3) stops, the associated run indicator
continuously; cell voltage must be monitored by oper-
(DS5) extinguishes, AUTO/MANUAL DISCHARGE
ator. If desired, set 30V-3V switch (S3) to 3V position,
timer (M2) begins operation and the associated run
connect test leads to(+) and (-) 3V terminals (J4, J3)
indicator (DS3) illuminates.
and monitor cell voltage on VOLTMETER (M4). Short
(g) Battery discharge continues at a constant
individual cells when the monitored cell voltage drops
rate until EOD is reached (0.95 volts per cell).
to 0.5 volts, in accordance with procedures contained
(h) If EOD is reached after the 60-minute pe-
in applicable battery tech order. This will ensure that
riod, PASS light (DS2) illuminates, AUTO/MANUAL
DISCHARGE timer (M2) stops (providing an indica-
each cell is at zero volt-s.
3-3