Emerson Bettis M18 - M18 Pump Disassembly Instructions

Installation, Operation and Maintenance Manual
VA-DC-000-1879 Rev. 0 April 2021
13
Section 4: M18 Disassembly Instructions
M18 Disassembly Instructions
4.2.6 Remove the upper end cap (10 - 10) from center bar assembly (10 - 30).
4.2.7 Remove bottom end cap (10 - 40) from M18 cylinder (10 - 20) and center bar
assembly (10 - 30).
4.2.8 For remote mounting option, if required for replacement or maintenance remove
check valves (90 - 30) and (90 - 60) from housing (90 - 10).
4.3 M18 Pump Disassembly Instructions
NOTE:
Review Section 4.1, M18 Pressure Relief Instructions before proceeding with
M18 pump disassembly.
4.3.1 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,
i.e. a bucket, tub, large container, etc.
4.3.2 Refer to assembly drawing sheet 1. Remove all the M18 pump assembly piping -
male connector (40), and Tubing (50).
NOTE:
If the M18 pump is equipped with Auto Reset, refer to assembly drawing sheet 6 and do
steps 4.3.3 and 4.3.4. If not equipped with Auto Reset skip steps 4.3.3 and 4.3.4.
4.3.3 Remove male swivel elbow (80 - 20) from Air Reset Cylinder (80 - 90).
4.3.4 Remove two socket cap screws (80 10) from bracket (80 - 50) and back
brace (20 - 10 - 130).
4.3.5 Refer to assembly drawing sheet 1. Remove four socket cap screws (30 - 110) that
retains the mounting bracket (30 - 90) to actuator housing and then remove
M18 pump assembly / bracket.
4.3.6 Refer to assembly drawing sheet 1. Remove four countersunk socket flat screws
(30 - 100) that mounts mounting bracket (30 - 90) to pump manifold (20 - 10 - 10).
4.3.7 Remove the M18 pump assembly from the M18 mounting bracket (30 - 90).