Emerson Bettis M18 - Page 19

Installation, Operation and Maintenance Manual
VA-DC-000-1879 Rev. 0 April 2021
15
Section 4: M18 Disassembly Instructions
M18 Disassembly Instructions
4.3.22 Remove the screws (20 - 10 - 100) that retain the back brace (20 - 10 - 130) to the
M18 manifold (20 - 10 - 10).
4.3.23 Remove pipe plug (20 - 10 - 210), spring (20 - 10 - 360) and ball (20 - 10 - 350)
from manifold (20 - 10 - 10)
4.3.24 Remove the control valve stem (20 - 10 - 280), rotor (20 - 10 - 300), and back plate
(20 - 10 - 320) from the M18 manifold (20 - 10-10).
NOTE:
Use plastic mallet tap lightly end of the control valve stem (20 - 10 - 280), while holding the
back plate (20 - 10 - 320) to prevent it from pop-up by the spring (20 - 10 - 390).
4.3.25 Remove spring pin (20 - 10 - 340) from control valve rotor (20 - 10 - 300).
4.3.26 Refer to assembly drawing sheet 3. Remove flat head screws (20 - 10 - 330) from
the M18 manifold (20 - 10 - 10) and remove the control valve disc (20 - 10 - 290)
and O-rings (20 - 20 - 40).