SNT ACL2 120 Installation, Operation And Maintenance Manual Download Page 2

 WARNING

Read this manual before installing, operating or maintaining this actuator. Failure to 
follow safety precautions and instructions could cause actuator failure and result in 
serious injury, death or property damage. 

This manual provides important information on how to work with the actuator safely 
and efficiently. The manual is part of the device, must always be kept in the device’s 
direct proximity and should be available for personnel to read at any time. Failure to 
comply  with  the  installation,  use  and  maintenance  instructions  indicated  in  this 
manual  will  result  in  immediate  termination  of  the  warranty  conditions  of  the 
actuator and completely relieve S

NT

 from any liability for damage caused to persons

and / or property. 

S

NT 

does  not  assume  direct  or  indirect  responsibility  for  an  improper  use  of  the

actuator, not respecting the performances of the actuator declared in the catalogs. 

The manufacturer will not be liable for damage to the actuator or the equipment into 
which the actuator has been installed resulting from: 

• disregarding this manual
• unintended use
• employment of untrained personnel
• unauthorized conversions
• technical modifications
• manipulation or removal of the screws on the device
• use of unapproved spare parts

The  aforementioned  conditions  are  therefore  not  contemplated  and  entail  the 
immediate  termination  of  the  guarantee  and  the  immediate  decay  of  any 
responsibility on the part of S

NT

.

S

NT 

reserves the right to make changes to the actuators and this manual without

giving any notice. 

Summary of Contents for ACL2 120

Page 1: ...ON AND MAINTENANCEnance NO 01 210003 LINEAR ACTUATORS ACME SCREW ACL2 120 ACL2 125 ACL2 128 ACL2 130 ACL2 140 BALL SCREW ACL2 120B ACL2 125B ACL2 128B ACL2 130B ACL2 140B ENGLISH Ed 08 2021 02 20 25 2...

Page 2: ...elieve SNT from any liability for damage caused to persons and or property SNT does not assume direct or indirect responsibility for an improper use of the actuator not respecting the performances of...

Page 3: ...CTION 8 4 1 Intended use 8 4 1 1 Use restrictions 8 4 1 2 Standard operating conditions 9 4 1 3 Thermal limit 9 4 2 Personnel requirements Qualifications 9 5 STORAGE 9 6 INSTALLATION 10 6 1 Safety war...

Page 4: ...4 8 LUBRICATION 20 9 MAINTENANCE 20 9 1 Maintenance of ACL2 ACL2 B 20 25 28 actuators 20 9 2 Maintenance of ACL2 ACL2 B 30 40 actuators 20 9 2 1 Linear drive lubrication 21...

Page 5: ...he product For all the technical characteristics of the product performance features dimensions refer to the technical catalog Main actuator components 1 Push rod 2 External tube 3 Gearbox housing 4 R...

Page 6: ...t 1 Product code is an alphanumeric code stating the type of the linear actuator 2 3 Serial number is the identification number of the actuator which identifies the exact design of the product even af...

Page 7: ...inear actuator the push rod must be in retracted position Lift the actuator from the housing and outer tube supporting the motor during transport DO NOT lift the actuator from the push rod and or the...

Page 8: ...xial applied load They must be subjected to the loading and speed conditions specified in the catalog Modification of parts of the actuator or replacement of components with different and non original...

Page 9: ...internal parts overheating 10 10 100 Linear drive Fi Acme screw ACL2 series 30 Ball screw ACL2 B series 100 For the proper operation of acme screw linear actuators ACL2 series do never exceed the perm...

Page 10: ...OF THE PRODUCT BEFORE TO PROCEED TO THE ELECTRIC CONNECTION MAKE SURE THE SUPPLY VOLTAGE IS TURNED OFF BEFORE TO TURN ON THE MOTOR MAKE SURE THE ELECTRIC CONNECTIONS ARE TIGHTENED AND STABLE CHECK PO...

Page 11: ...D ACTUATOR stop position Ring 2 activates FC 2 switch and fixes the required EXTENDED ACTUATOR stop position To setup the stop positions simply release the grub screw on the ring move it on the requir...

Page 12: ...ogue or to the check sheet supplied with the actuator When using more contact reeds for intermediate positions it shall be considered that the same reed switch can give the signal in 2 different posit...

Page 13: ...ES Contact NC NO Switching output Reed Supply voltage 5 120 V AC DC 1 5 230 V AC DC 2 Voltage drop 0 35 V Continous current 100 mA AC Switching capacity 6 W Protection class II Enclosure rating IP 65...

Page 14: ...ing IP 55 The rotary encoder ENC 4 must be connected to the electric control circuit as shown in the following WIRING DIAGRAM 6 5 Rotary encoder GI 2X THE ROTARY ENCODER GI 2X IS AVAILABLE ONLY FOR AT...

Page 15: ...s device is a torque limiter on the worm wheel The torque limiter clutch is preloaded during assembly The preload is fixed and related to the ratio and the performances of each actuator as stated on t...

Page 16: ...16 6 8 Electric motor wiring PLEASE REFER TO INSTALLATION INSTRUCTIONS OF THE ELECTRIC MOTOR SELECTED FOR THE ACTUATOR...

Page 17: ...PREVENT DAMAGE TO PERSONS OR PROPERTY Check that all plant fixing elements are well machined and cleaned and that they fit the dimensions of the actuators fixing elements they have to be fixed to If t...

Page 18: ...E ACTUATOR 6 10Installation of rod end fitting elements To install a mounting element on the rod end threaded bore BA use a wrench flat on the rod end to counterhold the locking torque In case of actu...

Page 19: ...e actuator then run the actuator GRADUALLY from the control unit in order to reach the plant to its more distant extreme position Check continuously the current actuator length during the motion Repea...

Page 20: ...OULD BE USED PLEASE CONTACT SERVOMECH BEFORE PROCEED IN CASE OF CUSTOM PRODUCT EXECUTION THE LUBRICANTS COULD BE DIFFERENT FROM THE STANDARD ABOVE TO KNOW THE TYPE OF LUBRICANT PLEASE REFER TO THE PRO...

Page 21: ...rease nipple type DIN71412 M6 Figure 9 2 Linear drive relubrication of ACL2 ACL2 B 30 40 Apply the grease quantity indicated in Tab 9 1 with several partial quantities Travel over the entire stroke be...

Page 22: ...SNT 2 rue Marcel Dassault Z I Croix Saint Nicolas 94510 LA QUEUE EN BRIE Tel 01 45 93 05 25 Fax 01 45 94 79 95 Email contact snt tm fr www snt tm fr...

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