Figure 2-3. Preparing solution.

TM 3-666522512

Figure 2-3. Preparing solution.

(2) Unscrew AIR FILTER plug (4, fig. 2-4).

(1) If air filter has been in the M43 detector

Remove and discard air filter (3) from M 43

unit for 24 hours or more, or if no air filter is in

detector unit.

place, remove two air filter packages (7) from

(3) Open and discard watertight bag (8, fig.

M229 refill kit. Also remove sensitivity check

1-6). Remove air filter (10) from plastic wrapper

bottle (6).

(9) and discard plastic wrapper.

NOTE

(4) Insert air filter (3, fig. 2-4) into AIR

One air filter will be used during startup

FILTER slot of M43 detector unit (1) with black

(para 2-9) and one will be used during

side of filter material (2) upward.

mission.

2-5