HayssenSandiacre Ultima SV 12-19HR Instruction Manual page 333

PROBLEM
Air cylinder leaks at piston
rod
Air cylinder does not
extend or retract com-
pletely
Using Diagnostic
Information
U l t i m a S V
PROBABLE CAUSE
Loose packing gland
Worn piston rod
O-rings worn
Piston cup worn
Piston rod nut is loose
Dirt or rust in cylinder
Worn clevis and pins
Dirty regulator
Air line is plugged
ETHERNET MODULE DIAGNOSTICS
The 1756-ENBT module's Web pages offer internal and network diag-
nostics. This appendix provides a brief explanation of the most useful
information. To view the web pages, type the module's IP address in
your browser's address field.
Use this link to access
the Diagnostic Information
page
Figure 1: Diagnostic Information Page
The Diagnostic Information page accesses:
• Class 1 connections - the most time critical connections,
including I/O and produce/consume connections
• Class 3 connections - the less time critical connections, such
as those used for MMI and PLC programming or PLC to
PLC messaging
H A Y S S E NSA N D I AC R E
CORRECTIVE ACTION
Tighten packing.
Repair or replace piston rod.
Replace.
Replace piston cup.
Tighten nut.
Clean or replace cylinder.
Replace clevis and pins.
Clean or replace.
Check the air filter.
Clean the air line.
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