PS Magazine - TB 43-PS-650
PS, The Preventative Maintenance Monthly
ISSUE 650
JANUARY 2007
8
36#984
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-1.3ERIES 4ANKSy
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(AWKER !'- BATTERIES WEIGH APPROXIMATELY
88 POUNDS[ 4HAT`S ROUGHLY 1@ POUNDS HEAVIER THAN
A STANDARD @4-& BATTERY AND EXCEEDS THE SINGLE
SOLDIER LIJT/CARRY LIMITATIONS[ 3O GET HELP
WHEN HANDLING THE (AWKER !'-
BATTERIES TO PREVENT INrURY[
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<EVER MIX (AWKER !'- BATTERIES WITH @4-& BATTERIES ON THE SAME TANK[ !LL SIX
BATTERIES IN THE BATTERY COMPARTMENT
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THE SAME TYPE[
-IXING (AWKER !'- AND @4-& BATTERIES ON THE SAME TANK CAN CAUSE CHARGING
PROBLEMS AND IS
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DUE TO SAJETY RISKS[
)J YOUR -1!; 3%7 TANK HAS THE ADDITIONAL SIX BATTERIES IN THE LEJT REAR SPONSON gTHE
t@.7ACKx BATTERY MODh: THEN
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BATTERIES ON THE TANK
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THE SAME TYPE[
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(AWKER !'- BATTERIES COME
JULLY CHARGED AND SHOULD NEED NO
SPECIAL BATTERY CHARGERS[ (OWEVER:
SOME CHARGERS HAVE BEEN KNOWN
TO OVERCHARGE THESE BATTERIES: SO
CLOSE MONITORING IS VITAL DURING
THE uRST TWO HOURS[
"E ON THE LOOKOUT JOR HEAT
BUILDUP[ 4HAT`S A SURE SIGN THAT
THE BATTERY IS BEING OVERCHARGED[
)J THE BATTERY GETS TOO HOT: STOP
THE CHARGING AND DO NOT USE THAT
PARTICULAR CHARGER ON (AWKER
!'- BATTERIES IN THE JUTURE[
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&IELD MAINTENANCE SHOULD CONTINUE TO SERVICE THE (AWKER !'-S IN ACCORDANCE WITH THE
APPLICABLE -1.SERIES TANK 4-S AND 4- 9.@1>5.;55.1>:
/PERATOR'S, 5NIT, $IRECT 3UPPORT
AND (ENERAL 3UPPORT -AINTENANCE -ANUAL FOR .EAD0!CID 3TORAGE "ATTERIES1
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4HE VOLTAGE REGULATOR: <3< @115.51.;==.11=?: CURRENTLY
USED IN -1.SERIES TANKS HAS A CHARGING RATE THAT CAN BE
TOO HIGH JOR (AWKER !'-S: ESPECIALLY IN HIGH HEAT OR HIGH
USE SITUATIONS[ 4HIS VOLTAGE REGULATOR CAN OVERCHARGE THE
BATTERIES AND COULD LEAD TO tTHERMAL RUNAWAY[x
4HERMAL RUNAWAY IS A CONDITION WHERE THE BATTERY
CELLS GET SO HOT THAT THEY DESTROY THEMSELVES[ <OT ONLY
WILL THIS RUIN THE BATTERIES: BUT IT CAN ALSO LEAD TO A
BATTERY BOX uRE[
4RY TO LIMIT THE NUMBER OJ TIMES YOU RUN DOWN THE
CHARGE BEJORE STARTING THE MAIN ENGINE TO RECHARGE THE
BATTERIES[ 2UNNING THE BATTERIES WAY DOWN RESULTS IN
HIGH CHARGE CURRENTS AND MORE HEAT[ )T ALSO SHORTENS THE
SERVICE LIJE OJ THE (AWKER !'-S[
$EEP DISCHARGING (AWKER !'-S IN COLD ENVIRONMENTS
CAN ALSO SHORTEN THEIR LIJE SPAN BECAUSE THE CURRENT
VOLTAGE REGULATOR WILL UNDERCHARGE THEM[
4O SOLVE BOTH THE HIGH AND LOW TEMPERATURE PROBLEMS:
A NEWLY DESIGNED VOLTAGE REGULATOR: <3< @115.51.?>5.
F819: WILL BE AVAILABLE SOMETIME IN ;55F[ \NTIL THEN: BE
VERY CAREJUL WHEN RECHARGING (AWKER !'- BATTERIES[
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