OpTK Spring Cylinder Rotary Actuators
For more information, contact:
FORM # PIM0910
For more information about Trimteck and its products,
contact www.trimteck.com or call USA (954) 753-5545
TRIMTECK LLC
12461 NW 44th Street
Coral Springs, FL 33065
Phones: (954) 753-5545
Fax: (954) 753-5561
info@trimteck.com
1. Broken actuator stem
2. Broken pivot pin
3. Sheared connection at splined lever arm
1. Cylinder wall not lubricated
2. Worn piston O-ring or load bearing ring,
allowing piston to gall on cylinder wall
3. Worn (or damaged) valve thrust bearings,
shaft bearings or packing followers
1. Leaks in the air supply or instrument signal
system
2. Malfunctioning positioner
3. Leaks through O-rings or adjusting screw
gasket
4. Worn O-rings in sliding stem seal assembly
1. Replace actuator stem
2. Replace pivot pin
3. Replace splined lever arm or valve shaft
1. Lubricate cylinder with silicone lubricant
2. Replace O-ring or load bearing ring; if
galling has occurred, replace all damaged
parts
3. Disassemble and inspect parts; replace any
worn or damaged parts
1. Tighten connections and replace any
leaking lines
2. Refer to positioner's maintenance
instructions
3. Replace O-rings or gasket
4. Replace assembly
Actuator operates,
shaft does not
rotate
Jerky shaft
rotation
High air
consumption or
leakage
Troubleshooting OpTK Spring Cylinder Rotary Actuators
Failure
Probable Cause
Corrective Action
Optimux customers should be aware that Optimux products might be used in numerous applications under a wide variety of industrial
service conditions. Although Optimux can (and often does) provide general guidelines, it cannot provide specific data and warnings
for all possible applications. The purchaser/user must therefore assume the ultimate responsibility for the proper sizing and selection,
installation, operation and maintenance of Optimux products. The purchaser/user should read and understand the Product Instruction
Manual (PIM) included with the product, and train its employees and contractors in the safe use of Optimux products in connection
with the specific application.
While the information and specifications presented in this literature are believed to be accurate, they are supplied for informative
purposes only and should not be considered certified or as a guarantee of satisfactory results by reliance thereon. Nothing contained
herein is to be construed as a warranty or guarantee, express or implied, regarding any matter with respect to this product. Because
Optimux is continually improving and upgrading its product design, the specifications, dimensions and information contained herein
are subject to change without notice. Should any question arise concerning these provisions, the purchaser/user should contact
TRIMTECK, LLC at any of its worldwide operations or offices.
