TM 5-4610-218-12
its components.
3-14. Diatomite Filter Elements.
b. Clean and Inspect.
a. General. The filter assembly contains six fil-
ter elements. Backwashing usually removes all di-
(1) Clean all metal parts with dry cleaning
atomite and foreign matter from filter elements.
solvent P-D-680.
However, in the event that backwashing does not
sufficiently clean the elements or if the elements
WARNING
are defective, the elements may have to be com-
pletely removed to be cleaned or replaced. The con-
Dry cleaning advent, P-D-680, used to
dition of the filter elements may be observed
clean parts, is potentially dangerous.
through the windows in the filter tank.
Avoid repeated and prolonged
breathing of the vapors and skin con-
filter elements.
tact with the liquid. Do not use near
open flame or excessive heat. Use in a
c. Disassembly.
well-ventilated area. The flash-point
of P-D-680 is 100-138 F (38-59 C).
ter elements.
(2) Clean rubber seals with soap and water.
sleeves.
(3) Inspect the door hinges for binding.
d. Clean, Inspect and Replace.
(4) Inspect the rubber seals for signs of deteri-
oration.
(1) Wash all parts in soap and water. If wash-
ing does not remove all foreign matter from the
(5) Inspect the doors for misalignment or
metal tubes, clean them with a wire brush or steel
other damage.
wool. Rinse all parts in fresh clean water to remove
all traces of soap.
3-16. Van Body Left Top Side Door and Coun-
ter-Balance Assembly.
WARNING
Clean and inspect the van body left top side
door and counter-balance assembly.
Do not use gasoline or other such sol-
a. Clean all metal parts with dry cleaning sol-
vents to clean the filter elements. Al-
vent P-D-680.
ways use filtered water if available, to
prevent contamination of the water
WARNING
being filtered.
(2) Inspect all parts for cracks, breaks, deteri-
Dry cleaning solvent, P-D-680, used to
oration, and other damage. Inspect the filter ele-
clean parts, is potentially dangerous.
ment sleeves for damage that may render the
Avoid repeated and prolonged
sleeves unserviceable.
breathing of the vapors and skin con-
(3) Replace all damaged or defective parts.
tact with the liquid. Do not use near
open flame or excessive heat. Use in a
e. Reassembly.
well-ventilated area The flash-point
of P-D-680 is 100-138 F (38-59 C).
sleeve.
b. Clean all seals and rubber stripping in a non-
mineral base cleaning solvent or soap and water.
ter element.
c. Inspect all threaded parts for damaged
threads.
the filter elements.
d. Inspect door for dents and misalignment.
3-16. Van Body Bonnet Doors.
e. Inspect door window glass, blackout panel, and
guides for damage.
a. General. A door is located on each side of the
bonnet to allow access to the personnel heater and
3-46
