Emerson Bettis M18 Installation, Operation And Maintenance Manual page 13

Hydraulic override system
Table of Contents

Advertisement

Installation, Operation and Maintenance Manual
VA-DC-000-1879 Rev. 0
NOTE:
Add fluid to the reservoir through the open port left vacant in step 3.2.1.7.
3.2.2
NOTE:
Only remove the pipe plugs located at the highest points, in the vertical plane, of the
hydraulic override cylinder.
M18 System Fluid Filling Instructions
3.2.1.4
Start pumping the hydraulic fluid into the system with the pump motor.
3.2.1.5
Stop the pump motor when hydraulic fluid appears as follows:
3.2.1.5.1
G-Series - At the vacant pipe plug port located in the
hydraulic override end cap.
3.2.1.5.2
HD and T-Series - At both vacant pipe plug port located in
the actuator's hydraulic override cylinder.
3.2.1.6
Apply pipe dope onto pipe plug threads and install into the vacant pipe
plug port as follows:
3.2.1.6.1
G-Series - At the vacant pipe plug port located in the
hydraulic override end cap.
3.2.1.6.2
HD and T-Series - At both vacant pipe plug ports located in
the actuator's hydraulic override cylinder.
3.2.1.7
Disconnect the pump motor from the M18 reservoir.
3.2.1.8
Stop the air on the power module, wait the spring back to 0°.
3.2.1.9
Fill reservoir to 1 - 1/2 inches from top of reservoir end cap (10 - 10) after
redundant fluid bleeds out of the reservoir.
3.2.1.10 Apply pipe dope to breather threads and install breather (10 - 90) into
port vacated in step 3.2.1.7.
Refilling Method Number 2
Refilling the M18 Manual Hydraulic Override System without using a pump motor.
3.2.2.1
Remove breather (10 - 90) from the top of the reservoir end cap (10 - 10).
3.2.2.2
Actuator hydraulic override cylinder pipe plug removal.
3.2.2.2.1
G-Series – Remove one pipe plug from the spring cartridge
hydraulic override outer end cap.
3.2.2.2.2
HD and T-Series – Remove the pipe plugs from the actuator
hydraulic override cylinder outer and inner end.
3.2.2.3
Place the M18 pump control knob in the "Manual" position.
Section 3: M18 System Fluid Filling Instructions
April 2021
9

Advertisement

Table of Contents
loading

Table of Contents