b. Installation. (Figure 4-1)
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 (8)
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).
Loosely install bolts (12), flat washers (13), flat washers (11), lock washers (10) and nuts (9) that secure the filter
vessel cover (8) to the filter vessel.
Torque filter vessel cover bolts (12) in a crossing pattern (Figure 4-2). Initially torque to 20 ft. lbs., then torque
again to 25 ft. lbs. and a final torque to 30 ft. lbs.
Close manual vent valve (4).
Place ground cable (1) in storage location.
Figure 4-2. Filter Vessel Cover Torque Pattern