Figure 1-6. M229 refill kit

TM 3-6665-225-12

average air temperature in which the battery is oper-

ated.

c. Table 1-3 is a list of authorized consumable sup-

plies and material required for operation of the equip-

ment.

Figure 1-7. BA3517/U battery.

d. Operating and performance characteristics of

components are as follows:

(1) M43 detector unit.

Power requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 to 39 Vdc

Environmental operating limits

Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40F. to 120F.

Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .up to 100%

(2) M42 alarm unit.

Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 Vdc

Environmental operating limits

Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40F. to 120F.

Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .up to 100%

(3) M10 power supply. Refer to TM 3-6665-261-14.

Figure 1-6. M229 refill kit

(4) BB501/U battery. Refer to TM 11-6140-203-15-3

(Under revision).

alarm system components.

(5) BA3517/U battery.

b. Table 1-2 lists the maximum number of 12-hour

Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manganese-alkaline

missions that a BA3517/U battery (7, fig. 1-1) can be

Environmental operating limits

used or a BB501/U battery (4) can be used before

Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20F. to 120F.

recharging. The maximum number of usable missions

Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .up to 100%

for each battery is tabulated as a function of the

Operating life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .See table 1-2

1-8

Change 1