Installation, Operation and Maintenance Manual
VA-DC-000-1879 Rev. 0
Table of Contents
April 2021
iTable of Contents
Table of Contents
Section 1: Introduction
1.1 General M18 Service Information .................................................................. 1
1.2 Definitions .................................................................................................... 2
1.3 General Safety Information ........................................................................... 2
1.4 Fluid Requirements ....................................................................................... 3
1.5 Bettis Reference Materials ............................................................................. 3
Section 2: General Information
2.1 Actuator Power Operation ............................................................................. 4
2.2 Actuator M18 Manual Hydraulic Operation ................................................... 4
Section 3: M18 System Fluid Filling Instructions
3.1 Double-Acting Actuator M18 System Fluid Filling .......................................... 5
3.2 Spring-Return Actuators M18 System Fluid Filling ......................................... 8
3.3 Priming M18 in the Field.............................................................................. 11
Section 4: M18 Disassembly Instructions
4.1 M18 Pressure Release Instructions .............................................................. 12
4.2 M18 Reservoir Disassembly Instructions...................................................... 12
4.3 M18 Pump Disassembly Instructions ........................................................... 13
Section 5: M18 Reassembly Instructions
5.1 M18 General Reassembly Instructions ......................................................... 16
5.2 M18 Reservoir Reassemble Instructions ...................................................... 16
5.3 M18 Pump Reassembly Instructions ............................................................ 17
Appendix A: List of Drawings
A.1 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 1 of 7 ................. 20
A.2 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 2 of 7 ................. 21
A.3 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 3 of 7 ................. 22
A.4 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 4 of 7 ................. 23
A.5 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 5 of 7 ................. 24
A.6 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 6 of 7 ................. 25
A.7 Part No. VA-ED-005-1120, M18 Assembly Drawing, Sheet 7 of 7 ................. 26
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