1. Remove the rotor Jam nuts (Figure 2A, #1), and the rotors (Figure 2A, #2). Remove the
body retaining socket-head cap screws. Prize the body from the gearcase by hitting the
ferrules in an alternating fashion with a soft hammer.
2. Remove the sleeves (Figure 3A, #9 & 11) from the shafts. Clean the shaft and wave spring to
ensure movement is free and easy.
Rear sleeve maintenance – This should be performed
as needed to ensure no leaks occur from the pump
body during CIP
without rotors in the body
. See figure
4A for principles of operation of rear sleeve assembly.