Maintenance of Batteries - TM-5-6350-262-14-110030

TM 5-6350-262-14/11

NAVELEX 0967-LP-466-9112

TO 31S9-4-39-1

7-13e.

(5) Swing the swing-out rack back into place and

latch.

(8) Swing the swing-out rack back into place and

(6) Close and lock cabinet door.

latch.

d. Removal of the Batteries. To remove the

(9) Turn ac power on.

(10) Place power supply switch S1 in the ON

batteries use the following steps:

position.

(1) Unlock and open the cabinet door.

(11) Close and lock monitor cabinet door.

(2) Place power supply switch S1 in the OFF

position.

7-13.1 Maintenance of Batteries

(3) Disconnect battery terminal leads.

(4) Lift batteries and remove from the front of

Description.

the enclosure.

The monitor cabinet contains

e. Installation of the Batteries. To install the

rechargeable lead acid batteries; they are 24-volt

batteries use the following steps:

devices with varying ampere-hour capacities depending

(1) Unlock and open the cabinet door.

upon the specific power requirements of the three types

(2) Place power supply switch S1 in the OFF

of monitor cabinets. Although the batteries contain wet

position.

cells; they are of the sealed maintenance free type (no

(3) Insert batteries through front of cabinet and

liquid maintenance required.) Internal low pressure

slide into place. The battery terminal must face the front

(2psi) vent caps are provided for each cell to minimize

of the cabinet.

the probability of electrolyte leakage during shipment

(4) Connect the battery terminals connectors to

and handling.

b. Battery Storage and Recharging.

the appropriate battery terminal. See figure FO-4.

(5) Place power supply switch S1 in the ON

(1) Since the batteries are of the lead acid type,

position.

they have limited shelf life and require recharging at

(6) Close and lock cabinet door.

periodic intervals when in storage. If spare monitor

f. Removal of Power Supply. To remove the power

cabinets are available, they may be utilized to

supply use the following steps:

periodically recharge stored batteries in accordance with

the instructions of section d. If no spare monitor

(1) Unlock and open the monitor cabinet door.

Unlatch and open the bottom swing-out rack.

cabinets are available then the recharging instructions

given in section e should be followed.

(2) Place power switch S 1 in the OFF position.

(3) Turn off incoming ac power.

(2) At storage temperatures of 70'-75'F., the

(4) Remove batteries in accordance with

batteries will require recharging at intervals no longer

paragraph 7-13d.

than 6 months. The dates for recharge of a specific

(5) Disconnect all interconnecting wires at the

battery are marked on the battery packing cases. If at

terminal blocks.

all possible, the batteries should not be stored at

(6) Remove the three wire bundle holders on the

temperatures above 80'F. for extended (longer than a

front of the power supply.

few days) periods of time. High temperature storage will

(7) Remove the six nuts holding the power

reduce the time between required recharges and may

supply in the cabinet.

shorten the battery service life. If it is impossible to

(8) Remove the power supply from the front of

store the batteries at 70'-75'F., then the batteries must

the cabinet.

be recharged at intervals specified in the following table,

g. Installation of the Power Supply. To install the

disregarding the 6 month interval specified on the

power supply use the following steps:

packing case.

Batteries must never be stored at

(1) Unlock and open the monitor cabinet door.

temperatures above 100'F. or below --30'F.

Storage temperature(o) Maximum time between recharge

Unlatch and open the bottom swing-out rack.

70'F.

6 months

(2) Remove batteries in accordance with

paragraph 7-13d.

80'F.

5 months

90'F.

4 months

(3) Put the power supply in through the front of

100'F.

3 months

the cabinet and slide in place.

c. Periodic Testing of Operational Batteries. Prior to

(4) Install the six nuts which secure the power

initial installation, the batteries should be fully charged

supply to the enclosure.

and tested in accordance with the instructions in sec-

(5) Connect interconnecting wires to the

tions d and e. Once this initial charging and testing has

appropriate terminal barriers in accordance with figure

been accomplished, the batteries should require no

FO-4.

maintenance for a period of one year at ambient

(6) Replace the three wire bundle holders on the

temperatures below 100F. and six months at

front of the power supply.

(7) Install batteries in accordance with paragraph

Change 2

7-6