July 2020
Installation, Operation and Maintenance Manual
VA-DC-000-1803 Rev. 2
12
Section 2: Actuator Disassembly
Actuator Disassembly
2.3.23 Refer to assembly drawing sheet 2 Detail "B". Use Bettis tool part numbers 117368
(G8 / G10), 117369 (G5 / G7), 117370 (G3 / G4), or 123616 (G2) and remove
retention retainer nut assemblies (1 - 60) and (9 - 60) from guide block (1 - 30).
2.3.24 Remove rod extension assemblies (1 - 50) and (9 - 50) from guide block (1 - 30).
NOTE:
Spherical washers (1 - 40) and (9 - 40) will be removed from guide block (1 - 30) when the
extension rod assemblies are removed.
2.3.25 Remove the two remaining spherical washers (1 - 40) and (9 - 40) from guide
block (1 - 30).
2.3.26 Unscrew and remove two stop screw nuts (1 - 190) from stop screws (1 - 180).
2.3.27 Unscrew and remove two stop screws (1 - 180) from front of housing (1 - 10).
2.3.28 Housing (1 - 10) vent check assembly removal as follows:
2.3.28.1 G01, G2 and G3 housing (1 - 10) unscrew and remove one vent check
assembly (13) from the front of housing (1 - 10).
2.3.28.2 G4 through G10 housing (1 - 10) unscrew and remove two vent check
assemblies (13) from the front of housing (1 - 10).
2.3.29 The following items do not need to be removed from their assembled locations
unless being replaced by new items: Two yoke bearings (2 - 40 and yoke pin thrust
bearing 2 - 10).
2.4 M18 Hydraulic Override Cylinder Disassembly
NOTE:
Review Section 2 steps 2.1.1 through 2.1.3 General Disassembly before proceeding with
M18 Hydraulic Override Cylinder Disassembly. Refer to dwg. VA115680 for details.
!
WARNING
Disconnect operating pressure. If not already removed disconnect all operating pressure
from actuator power cylinder.
2.4.1 Place the M18 pump control knob (25 - 200) in the auto position.
Refer to VA-ED-005-1120.
NOTE:
Control knob (25 - 200) is located in front and at the bottom of the M18 pump manifold
(20-10-10). Using a means of capturing the hydraulic uid that will be lost during the
following steps. Use a bucket, tub, and large container, etc. Refer to VA-ED-005-1120.
To Next Page
Loading...
Need help?
General
