CARTRIDGE FILTER MAINTENANCE - continued.
Remove four screws (25), lockwashers (24), flat washers (23), and bushings (22).
Remove additional system piping as required to aid removal of cartridge filter (1) (para 2-38).
Removal of cartridge filter requires the use of a lifting device rated at 1 ton (0.91 ton) or greater in order to
prevent damage to the equipment and injury to personnel.
Using chain hoist and two assistants, tilt cartridge filter (1) and remove it from ROWPU deck (20).
Remove two gasket halves (21) from ROWPU deck (20).
Remove pipe section (12) and adapter (31) from cartridge filter (1).
Remove elbow (6) from cartridge filter (1).