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Figure 2. Primary Air Filter Element.
Figure 3. Primary Air Filter Element.

Operators Manual For Military 621G Scraper Page Navigation
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TM 5-3805-296-10
0016
CLEANING AND INSPECTION
00016
WARN I N G
Solvent cleaning compound MIL-PRF-680 Ty e III is an environmentally compliant and
p
low-toxic material. However, it may be irritating to the eyes and skin. Use protective gloves
and goggles.
Use in well-ventilated areas. Keep away from open flames and other sources of ignition.
Improper cleaning methods and use of unauthorized cleaning solvents may injure
personnel and damage equipment.
Fire extinguishers should be placed n arby when using solvent cleaning compound.
e
Cloths or rags saturated with solvent cleaning compound must be disposed of IAW
authorized facilities' procedures.
Eye protection must be worn when cleaning with a wire brush.
Compressed air for cleaning or drying purp ses, or for clearing restrictions, should never
o
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use
caution to avoid injury to personnel.
Failure to follow these warnings ma result in injury to personnel.
y
1. Using a clean rag and solvent, clean inside of air filter housing.
C AU T I O N
Do not tap or strike air filter elements to remove dust. Damage to air filter elements may
result.
Do not wash the air filter element.
Do not use air filter elements with damaged pleas, gaskets, or seals. Dirt entering engine
t
will cause damage to engine components.
Do not attempt to clean a secondary air filter element. If damaged, it must be replaced.
Notify Field Maintenance.
Do not use compressed air at pressure greater than 30 psi (207 kPa) to clean primary
element.
Failure to follow these cautions ma result in damage to equipment.
y
N OT E
Use either low-pressure compressed air or a vacuum to clean primary air filter element.
Direct airflow from inside element and up and down pleats rather than across pleats.
2. Clean primary element.
3. Inspect primary element for tears, holes, damaged pleats, gaskets, or seals. Discard if damaged.
4. Inspect element using a work light. Light should be visible through the element when light is placed inside ele-
ment. If necessary, compare to a new element to confirm results.
END OF TASK
0016-4


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