TM 55-1930-209-14&P-3
b.
Removing media.
CAUTION.
Remove shoes before entering media tank to prevent damage to lining. Always carefully place
feet to prevent damage. Do not step on filter under drain assembly or internal components.
(5)
Remove media by using plastic buckets and passing them up through access hole. Dispose of media
overboard or as directed by shift leader.
(6)
When media has been removed, flush filter body interior with water.
(7)
Visually inspect inside of filter body for cleanliness Remove foreign materials as necessary and wipe
liner clean.
c.
Media loading.
WARNING.
To prevent respiratory damage, avoid breathing dust from filter media. Use an approved dust
mask well-fitted to the face when loading media.
CAUTION.
To prevent clogging, make sure no foreign matter gets Into media.
(1)
Inspect the filter under drain for broken or plugged parts.
.
NOTE.
When loading media, open bags outside the filters. Transfer media to a.
clean plastic bucket or other soft container before loading In filter body.
(2)
In the order listed below, carefully load the following media through the access hole.
(a)
Gravel, P/N 52036-1 (4 bags).
(b)
Coarse garnet, P/N 52037-1 (6 bags).
(c)
Fine garnet, P/N 52038-1 (4 bags).
(d)
Silica sand, P/N 52039-1 (12 bags).
(e)
Anthracite, P/N 52040-1 (17 bags).
(3)
Inspect access cover gasket. Replace if required.
CAUTION.
To prevent leakage, take care not to damage gasket when installing access cover.
(4)
Attach a line to access cover to avoid dropping it into tank and install access cover.
d.
Record completion of maintenance action in maintenance logbook.
4-8.2.2 Air eliminator (air vent) replacement. Unscrew existing air vent on top of media tank (Figure 4-14) and Install
new vent (P/N 51896-1):.
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