RTX-IOM-QTF-R01-0217
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1
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www.rotexautomation.com
QTF
RANGE
PNEUMATIC RACK AND PINION ACTUATOR
Installation
Operation and Maintenance
Manual
Page 1: ...RTX IOM QTF R01 0217 Page 1 of 26 www rotexautomation com QTF RANGE PNEUMATIC RACK AND PINION ACTUATOR Installation Operation and Maintenance Manual...
Page 2: ...5 Installation 9 5 1 Mounting 9 5 2 Setting 10 6 Operation 12 6 1 Operating Principle Standard Mode for double acting 12 6 2 Operating Principle Standard Mode for spring return Fail CW 13 7 Maintenan...
Page 3: ...acturers Engineers Private Limited INDIA Manufacturer Warranty For the safety it is vital to follow instructions in the manual ROTEX will not be liable for any damages which are caused by users neglig...
Page 4: ...ed condition are safe if the instructions contained within this manual are strictly adhered to and executed by well trained equipped prepared and competent personnel WARNING For the protection of pers...
Page 5: ...l documents Ensure that throughout the installation there are no leaks of the supply medium NOTE Depending upon control unit actuators may exhaust the supply media to atmosphere in normal operation th...
Page 6: ...However it is recommended to align the centreline of the pneumatic actuator module along the pipeline Ensure proper tightening of fasteners and mounting accessories to avoid loosening during operation...
Page 7: ...ately for proper operation Operating actuators over temperature or pressure limits will result in damage to actuators 4 2 Technical Specifications Mounting is in accordance with ISO 5211 DIN 3337 VDI...
Page 8: ...screwdriver with sharp corners rounded off Use a non hardening thread sealant on all pipe threads CAUTION Apply the thread sealant as per the manufacturer s instructions All parts should be thoroughl...
Page 9: ...re than 30 kg 66 lb to avoid personal injury 5 1 Mounting Keep the valve on which the actuator is to be mounted in home position until the installation is complete Ensure that valve is secure Fix the...
Page 10: ...lt in over travel or incomplete travel of the pinion Loose nut 13 rotate screw 5A in counter clock wise direction CCW to set over travel close Loose nut 13 rotate screw 5A in clock wise direction CW t...
Page 11: ...TF 32 QTF32 E Half quarter turn 2 QTF 40 QTF 40 E Half quarter turn 3 QTF 50 QTF 50 E Half quarter turn 4 QTF 63 QTF 63 E Half quarter turn 5 QTF 80 QTF 80 E Quarter turn 6 QTF 90 QTF 90 E Quarter tur...
Page 12: ...pply pressure is regulated to ensure maximum air supply is not exceeded Now the actuator is ready to perform 6 1 Operating Principle Standard Mode for double acting Both ports A and B are used as inle...
Page 13: ...for spring return Fail CW Port A is used as inlet When air is supplied to Port A the pistons are moved away from each other the springs are compressed and the pinion is rotated CCW When the air is exh...
Page 14: ...free from dust water Ensure that air supply has been disconnected Ensure proper lifting procedures are followed when moving or lifting actuators DO NOT use accessory mounting holes on top of actuator...
Page 15: ...er spring tension Caution must be used while removing end cap bolts and end caps It is recommended to put actuator into a press during removal of end caps to ensure safe release of spring tension c Ro...
Page 16: ...e top pinion seal 14 and the top pinion bearing 18 Remove the cam 08 g Pull the pinion the rest of the way out of the body Check the pinion bearing 5 for its condition If removal and replacement of th...
Page 17: ...y recommended grease over the pinion bearing surface 15 and on the bottom pinion seal 11 Apply a thin coat all over the surface avoid excess grease Insert pinion carefully into the body 1 from the bot...
Page 18: ...avoid excess grease g Rotate the pinion so that the dot on the pinion is positioned close to the two dots on the top pad of the actuator body for accurate pinion alignment For CCW assembly dot on the...
Page 19: ...necessary to have the actuator body in the vertical position This is required to ensure that springs remain properly aligned and centered during assembly q Fix the seals 16 on the left and right end...
Page 20: ...rn actuators release the air pressure for double acting actuators apply air to Port B This will bring the pistons back to the 0 degree position v Adjust the stroke adjustment screw 5A for the 0 degree...
Page 21: ...an the chart specified below Actuator Model Operating Air pressure bar g Minimum operating time seconds Best recommended operating time by ROTEX Seconds QTF 32 6 0 02 0 3 QTF 40 6 0 02 0 3 QTF 50 6 0...
Page 22: ...RTX IOM QTF R01 0217 Page 22 of 26 www rotexautomation com 10 Part list 10 1 Part list for QTF32...
Page 23: ...RTX IOM QTF R01 0217 Page 23 of 26 www rotexautomation com 10 2 Part list for QTF40 QTF110...
Page 24: ...RTX IOM QTF R01 0217 Page 24 of 26 www rotexautomation com 10 3 Part list for QTF125 QTF350...
Page 25: ...MINUM LM6 2 5 STOPPER BOLT STEEL AISI304 2 6 O RING NBR 2 7 PISTON STRIP POLYACETAL 2 8 CAM CAST CARBON STEEL ASTM A216 GR WCB 1 9 COVER BOLT STEEL AISI304 8 10 WASHER POLYACETAL 1 11 O RING NBR 1 12...
Page 26: ...re between 4 C and 49 C 40 F and 120 F Locate in an area to avoid damage by impact 12 Assistance For technical questions or assistance contact any authorized distributor of ROTEX or ROTEX MANUFACTURER...
