December 2020
Installation, Operation and Maintenance Manual
VA-DC-000-1878 Rev. 0
20
Section 3: Actuator Reassembly
Actuator Reassembly
3.2.28
Install hex cap screws (1 - 110) with lock washers (1 - 115) through housing cover
(1 - 20) and into housing (1 - 10).
NOTE:
Leave hex cap screws (1 - 110) finger tight - do not tighten.
3.2.29 NOTE: Do this step only if groove pins (1 - 130) have been pulled or if the pins
are being replaced.
Drive groove pins (1 - 130) through housing cover (1 - 20) and
into housing (1 - 10). The groove pins should be flush with the cover.
3.2.30
Torque tighten hex cap screws (1 - 110) until a final lubricated torque, as listed in
Table 2 has been achieved.
Table 2.
Housing Cover Screw Quantity and Torque
Model
Qty.
Torque (±5%)
Model
Qty.
Torque (±5%)
lb-ft
Nm
lb-ft
Nm
G01
4
40
54
G5
8
100
136
G2
6
40
54
G7
8
100
136
G3
8
40
54
G8
12
100
136
G4
8
40
54
G10
16
100
136
NOTE:
Complete step 3.2.32 on G5 through G10 model actuators. For G01 through G4 model
actuators, skip step 3.2.32 and proceed to step 3.2.33.
3.2.31
On G5 through G10 models;
3.2.31.1
Place lock washers (1 - 115) onto hex cap screws (1 - 120).
NOTE:
Hex cap screws (1 - 120) are only used as "hole" fillers and to protect threads
from environment.
3.2.31.2
Install and tighten hex cap screws (1 - 120) with lock washers (1 - 115).
3.2.32
Install thrust bearing (2 - 110) onto position indicator (1 - 140).
3.2.33
Install O-ring seal (2 - 100) onto position indicator (1 - 140).
3.2.34
Install upper bearing (2-120) into yoke cover (1-150).
3.2.35
Install rod wiper (2 - 80) into yoke cover (1 - 150).
3.2.36
Install O-ring seal (2 - 70) into yoke cover (1 - 150).
3.2.37
Install yoke cover (1 - 150) onto housing cover (1 - 20) and over position indicator
assembly (1 - 140).
