INSTALLATION (Figure 1)
Clean O-ring groove and filter vessel (3) seating surface.
Handle and install O-ring carefully. O-rings can be damaged easily during installation. Do
not install the O-ring in such a way that the filter vessel cover can pinch or cut the O-ring.
Install O-ring (14) in groove.
To avoid damage to O-ring do not rotate filter vessel cover after positioning. If bolt holes do
not align, lift filter vessel cover to reposition.
Clean filter vessel cover (8) and position on filter vessel (3).
4. Loosely install bolts (12), flat washers (13), flat washers (11), split lock washers (10) and nuts (9) that secure the filter
vessel cover (8) to the filter vessel (3).
Torque filter vessel cover bolts (12) in a crossing pattern (Figure 2). Initially torque to 20 ft. lbs., then torque again to 25
ft. lbs. and a final torque to 30 ft. lbs.
Serious injury could occur if heavy equipment is moved/lifted without sufficient
personnel to do the job. Always use the number of soldiers called for by the procedures
to move or relocate the AAFARS equipment. Use proper physical lifting procedures or
use a suitable lifting device or dolly. Wear safety shoes, gloves and other suitable
Two persons lower filter separator (7) to horizontal position.
Close manual vent valve (4).
Place ground cable (1) in storage location.