Servomech ATL 20 Installation, Operation And Maintenance Manual

Linear actuators

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LINEAR ACTUATORS
ATL 20 – ATL 25 – ATL 28 – ATL 30 – ATL 40
BSA 20 – BSA 25 – BSA 28 – BSA 30 – BSA 40
Installation, operation and maintenance manual
Publication: 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19
Servomech S.p.A. Via M. Calari, 1 - 40011 Anzola dell'Emilia (BO) - ITALY
Ph: + 39 051 6501711 Fax: + 39 051 734574
www.servomech.com info@servomech.com
Servomech S.p.A.
02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19
1

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  • Page 1 LINEAR ACTUATORS ATL 20 – ATL 25 – ATL 28 – ATL 30 – ATL 40 BSA 20 – BSA 25 – BSA 28 – BSA 30 – BSA 40 Installation, operation and maintenance manual Publication: 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19 Servomech S.p.A.
  • Page 2 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 Servomech S.p.A. Servomech S.p.A. reserves the right to make changes to the actuators and this manual without giving any notice. Servomech S.p.A.
  • Page 3: Table Of Contents

    Installation of rod end fitting elements ....................17 COMMISSIONING AND USE ........................18 LUBRICATION ............................19 MAINTENANCE ............................19 Maintenance of ATL/BSA 20-25-28 actuators ..................19 Maintenance of ATL/BSA 30-40 actuators ..................19 9.2.1 Linear drive lubrication ......................20 Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 4: Models Covered By This Document

    Acme screw linear actuators: ATL20 – ATL25 – ATL28 – ATL30 – ATL40 Ball screw linear actuators: BSA20 – BSA25 – BSA28 – BSA30 – BSA40 2 IDENTIFICATION OF THE MANUFACTURER AND THE PRODUCT 2.1 Identification of the manufacturer SERVOMECH S.p.A. S.U. Via Monaldo Calari, 1 40011 Anzola dell’Emilia (BO) ITALY Ph.
  • Page 5: Identification Of The Product

    2.3 Identification of the product Every SERVOMECH linear actuator is provided with a nameplate, as shown below, which allows the product identification and gives technical information about the product. Figure 2.2 – Identification nameplate 1) Product code: is an alphanumeric code stating the type, size, ratio, version and stroke end switches of the linear actuator;...
  • Page 6: Trasport And Handling

    Figure 3.1 – Transport and handling In case of doubt, consult SERVOMECH S.p.A. to get the appropriate information and prevent any kind of damage! Servomech S.p.A.
  • Page 7: Use Restriction

    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 parts is not permitted. The replacement of components with original spare parts is carried out only by Servomech S.p.A.
  • Page 8: Standard Operating Conditions

    4.1.2 Standard operating conditions The actuator must be used in an environment whose conditions comply with the provisions of Servomech S.p.A. The works necessary for obtaining and maintaining that conditions are in charge of the owner and, where applicable, are in charge of the end user.
  • Page 9: Installation

    MAKE SURE THE SAFETY PROTECTION OF THE MACHINE (MECHANICAL AND ELECTRICAL) ARE ACTIVE. DURING OPERATION, TEMPERATURE OF THE EXTERNAL SURFACE OF MOTORS CAN REACH HIGH TEMPERATURES. HOT SURFACES ON ACTUATOR CAN CAUSE BURNS AND SHOULD NOT BE TOUCHED. Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 10: Fce Electric Stroke Limit Switches

    Use the motor brake (if present) to ensure the stop position. THE FCE ELECTRIC STROKE LIMIT DEVICE CANNOT BE USED AS ANTI-TURN DEVICE OF THE PUSH ROD. Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 11: Fcm Magnetic Stroke Limit Switches

    DO NOT SET THE FC 2 SWITCH POSITION OVER THE LIMIT MARK ON THE TUBE. DO NOT TRAVEL OVER THE STROKE LIMIT SWITCHES POSITIONS, AVOIDING TO REACH MECHANICAL STOP AND PREVENTING DAMAGE TO THE INTERNAL COMPONENTS OF THE ACTUATOR. Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 12 Multicore PVC cable 2 × 0.12 mm Outlet length 2 m BN = brown Wiring BU = blue Main fuse F < 0.8A IEC60127-2 sheet 1 Main fuse F < 0.5A IEC60127-2 sheet 1 Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 13: Rotary Encoder Enc.4

    Protection against input polarity inversion Cable length 1.5 m The rotary encoder ENC.4 must be connected to the electric control circuit as shown in the following WIRING DIAGRAM: Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 14: Rotary Encoder Eh53

    Max commutable current 50 mA Cable length 0.5 m Enclosure rating IP 54 The rotary encoder ENC.4 must be connected to the electric control circuit as shown in the following WIRING DIAGRAM: Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 15: Electric Motor Installation

    Check if the push rod shifting direction is compatible to the indications on the control unit, by powering the electric motor on VERY BRIEFLY. Figure 6.5 – Push rod shifting directions Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 16: Linear Actuator Installation

    “La” = EXTENDED ACTUATOR Figure 6.6 – “Lc” and “La” dimensions Dimensions “Lc” and “La” are indicated in the technical catalogue of the product and on the check sheet supplied with the actuator. Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 17: Installation Of Rod End Fitting Elements

    Fix the threaded element with Loctite 270.  To unmount the element, heat the threaded area to unlock it.  Unscrew the fitting element counterholding the torque with a wrench flat on the rod end. Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...
  • Page 18: Commissioning And Use

    7 COMMISSIONING AND USE SERVOMECH linear actuators are supplied lubricated and ready to be used. Before to start commissioning and activation, the following checks must be carried out: Shifting direction check  Check if the push rod shifting direction is compatible to the indications on the control unit, by powering the electric motor on VERY BRIEFLY.
  • Page 19: Lubrication

    8 LUBRICATION SERVOMECH linear actuators ATL/BSA series are supplied lubricated, with lubricants indicated in the table below. ACTUATOR GEARBOX LINEAR DRIVE ATL 20 Grease (NLGI 0 DIN 51818): Grease (NLGI 2 DIN 51818): ENI Grease MU EP 0 ENI Grease SM 2...
  • Page 20: Linear Drive Lubrication

     At the end of lubricating procedure, extend and retract the push rod over its entire stroke for 3 full cycles.  If necessary, remove excess of lubricant from push rod. Servomech S.p.A. 02.20-25-28-30-40.E - Rev. 01 Date (M/Y) 05/19...

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