TM 5-4610-218-12
3-7. Diatomite Filter Element Trouble.
3-6. Field Expedient Repairs.
If the diatomite filter element is damaged and
Operator maintenance troubles may occur
it is impossible to replace it immediately, remove
while the water purification unit is operating in the
the adapter bushing from the threaded nipple at the
field where supplies and repair parts are not avail-
base of the filter housing and cap the nipple with a
able and normal corrective action cannot be per-
1/2 inch pipe cap. Also, cap the upper element efflu-
formed. When this condition occurs, the following
ent pipe flange with the blind capping flange fur-
expedient repair procedure may be used in emer-
nished. Replace the missing element as soon as pos-
gencies, upon the decision of the unit commander.
sible. Do not operate the filter with more than two
Equipment so repaired must be removed from oper-
elements removed
ation as soon as possible and properly repaired be-
fore being placed in operation again.
MAINTENANCE PROCEDURES
Section IV.
3-8. General.
chemical equipment fuse.
This section contains maintenance procedures,
b. Clean and Inspect.
according to the Maintenance Allocation Chart (Ap-
pendix D) which are the responsibility of the oper-
(1) Wipe the fuse free of dirt and grease using
ator/crew. In addition to the services described in
a dry cloth.
(2) Inspect the fuse for cracks, discoloration,
ing maintenance on the water purification unit and
and other evidence of being defective.
van body.
(3) Replace a defective fuse.
3-9. Chemical Equipment Fuse.
the chemical equipment fuse.
Figure 3-2. Chemical Equipment Fuse, Removal and Installation.
3-40