Manual 26727
VariStroke-I (VS-I) Electro-hydraulic Actuator
Woodward
1
Contents
W
ARNINGS AND
N
OTICES
.............................................................................................................. 6
E
LECTROSTATIC
D
ISCHARGE
A
WARENESS
.................................................................................... 7
R
EGULATORY
C
OMPLIANCE
.......................................................................................................... 8
C
HAPTER
1.
G
ENERAL
I
NFORMATION
........................................................................................... 12
Introduction.................................................................................................................................................. 12
VS-I Integrated and Remote Construction .................................................................................................. 14
VS-I Remote Servo Only Construction ....................................................................................................... 18
C
HAPTER
2.
S
PECIFICATIONS
...................................................................................................... 21
Physical and Performance Specifications ................................................................................................... 21
Special Ambient Temperature Specifications / Allowances ........................................................................ 25
Performance Index ...................................................................................................................................... 26
Diagrams ..................................................................................................................................................... 27
C
HAPTER
3.
I
NSTALLATION
......................................................................................................... 33
Receiving Instructions ................................................................................................................................. 33
Unpacking Instructions ................................................................................................................................ 33
Installation Instructions ................................................................................................................................ 34
C
HAPTER
4.
S
ERVICE
T
OOL
I
NSTALLATION
.................................................................................. 57
System Requirements ................................................................................................................................. 57
Setup ........................................................................................................................................................... 57
Installing the VariStroke-I Service Tool ....................................................................................................... 58
Connecting to the VariStroke-I .................................................................................................................... 62
C
HAPTER
5.
C
ALIBRATION AND
M
ONITORING
............................................................................... 63
Introduction.................................................................................................................................................. 63
System Information ..................................................................................................................................... 63
System Information Page ............................................................................................................................ 65
Configuration and Calibration ..................................................................................................................... 66
Cylinder Configuration ................................................................................................................................. 67
Manual Operation ........................................................................................................................................ 73
C
HAPTER
6.
C
ONFIGURATION
...................................................................................................... 74
Input Configuration ...................................................................................................................................... 74
Output Configuration ................................................................................................................................... 76
Advanced Configuration .............................................................................................................................. 78
Linearization ................................................................................................................................................ 79
Alarms/Shutdown ........................................................................................................................................ 79
Saving and Loading Settings ...................................................................................................................... 82
C
HAPTER
7.
R
EPAIR AND
T
ROUBLESHOOTING
.............................................................................. 83
General ........................................................................................................................................................ 83
Shaft Seal Replacement ............................................................................................................................. 83
Servo Valve / Hydraulic Cylinder Replacement .......................................................................................... 85
Troubleshooting .......................................................................................................................................... 85
Maintenance ................................................................................................................................................ 91
C
HAPTER
8.
P
RODUCT
S
UPPORT AND
S
ERVICE
O
PTIONS
............................................................. 92
Product Support Options ............................................................................................................................. 92
Product Service Options ............................................................................................................................. 92
Returning Equipment for Repair ................................................................................................................. 93
Replacement Parts ...................................................................................................................................... 94
Engineering Services .................................................................................................................................. 94
Contacting Woodward’s Support Organization ........................................................................................... 94
Technical Assistance .................................................................................................................................. 95
Released