Emerson Bettis M18 - Section 4: M18 Disassembly Instructions; M18 Pressure Release Instructions; M18 Reservoir Disassembly Instructions

April 2021
Installation, Operation and Maintenance Manual
VA-DC-000-1879 Rev. 0
12
Section 4: M18 Disassembly Instructions
M18 Disassembly Instructions
Section 4: M18 Disassembly Instructions
4.1 M18 Pressure Release Instructions
NOTE:
Shut off and exhaust the operating media from both sides of the actuator’s power cylinder.
4.1.1 Place the M18 control knob (25 - 200) in the Auto position (middle position).
NOTE:
Control knob (25 - 200) is located in front and at the bottom of the M18 pump manifold
(20 - 10 - 10).
NOTE:
Using a means of capturing the hydraulic fluid that will be lost during the following steps.
Use a bucket, tub, and large container, etc. For remote mounting option, before removing
the pump hose / tube fitting, press and hold plug (90 - 20) to release fluid pressure
G and T-Series Actuators there is 250 psi pressure and HD-Series Actuator there is
33 psi pressure.
4.1.2 Remove the 1/4” pipe plug (10 - 80) from the reservoir bottom end cap (10 - 40).
4.1.3 Place the M18 control knob (25 - 200) in the Manual position.
4.1.4 Remove all the M18 pump assembly piping; SS Tubing (50) with male connector (40).
4.2 M18 Reservoir Disassembly Instructions
NOTE:
Review Section 4.1, M18 Pressure Relief Instructions for remote mounting option before
proceeding with reservoir disassembly.
4.2.1 Remove piping from port located in bottom end cap (10 - 40).
4.2.2 Remove breather (10 - 90) from upper end cap (10 - 10).
4.2.3 Remove acorn nut (10 - 50) from upper end cap (10 - 10).
4.2.4 Loosen socket cap screws (30 - 20) and remove the M18 reservoir (10) from the
M18 mounting bracket (30 - 90).
4.2.5 Remove Thread Seal (10 - 70) and washer (10 - 60) from upper end cap (10 - 10).