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Service Manual

VCIOM-16909-EN Rev. 0

October 2021

Bettis RTS Checklist and Maintenance

Electric Actuators

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Содержание Bettis RTS

Страница 1: ...Service Manual VCIOM 16909 EN Rev 0 October 2021 Bettis RTS Checklist and Maintenance Electric Actuators ...

Страница 2: ...Service Manual VCIOM 16909 EN Rev 0 Notes October 2021 This page intentionally left blank ...

Страница 3: ...ance Maintenance 5 Section 3 Lubricant Recommendation and Requirements 3 1 Main Body 40 C to 60 C 7 3 2 Output Type A and Spindle Drives Linear Actuators 40 C to 60 C 7 3 3 Basic Lubricant Service Interval 7 3 4 Lubricant Points FQ 9 Section 4 Manual Actuator Operation Under Maintenance 4 1 Manual Operation 10 4 1 1 Direction of rotation of handwheel for closing the valve Fail safe direction CW 11...

Страница 4: ... labels clearly readable Is the operating manual fort he actuator control unit present Is the equipment correctly assembled Is the wiring of the control unit and the actuator correct Are all protective features correctly wired and sized Connection wiring correct Are the screwed cable glands correctly adjusted and in proper conditions Is the travel and torque switch adjusted Have the commissioning ...

Страница 5: ...tor Tag Number Type Serial Number Comments General Condition Corrosion Mechanical Damage Oil Leakage Presence of Water Presence of Dust Condition Reporting unit Terminal compartment Control unit Cable routing Other Running Check End position Running noise Manual operation Decision Clearance Comment Repair Maintenance Clearance not possible Date Inspector ...

Страница 6: ...Serial Number Test Safe Open Safe Close Yes No Travel to start position Travel command given Was the safety function triggered Running Check Running Noise Running Check End position correct Error message correctly displayed Error message correctly stored in device history End Safety function Decision Clearance Comment Repair Maintenance Clearance not possible Date Inspector ...

Страница 7: ...Functional Safety After IEC 61508 61511 Actuator Tag Number Type Serial Number Safety Function PVST Test Yes No Was the function performed Did malfunctions occur Running check End position Running Noise Manual operation Decision Clearance Comment Repair Maintenance Clearance not possible Date Inspector ...

Страница 8: ...and increase stroke time To avoid this condition it is recommended to perform routine checks of the fail safe function check the operating time and smoothness of the running in fail safe operation at least every 3 months CAUTION This CAUTION only applies for FQ actuators Fail Safe Actuators The actuator has a pre stressed coil spring or disk spring assembly when undoing the flange mounting bolts t...

Страница 9: ...be performed via the handwheel Every approx 10 000 to 20 000 hours about 5 years see Section 3 depending on the workload you must Change oil and Replace seals Check all roller bearings and the worm wheel assembly and replace if necessary Check our lubricants table for recommended oils and greases see Section 3 Check the cable glands at regular intervals annually for tightness of the cables and ret...

Страница 10: ...Lubricant requirement CM64 300 350 ml 3 2 Output Type A and Spindle Drives Linear Actuators 40 C to 60 C Operating grease European DIN 51825 K P R 40 American AMSOIL Artic i e water repellent complex grease on Al soap base with high resistance to acids and alkalis Penetration 0 1 mm 310 340 Dropping point about 260 C NLGI No 1 acid free little or not water reactive 3 3 Basic Lubricant Service Inte...

Страница 11: ...or High speed Over 80 rpm 0 8 Utilization Relative to rated power Very high Over 90 0 8 High Between 80 to 90 0 9 Application example Extremely low DT extremely low ambient temperature high speed 87 utilization 0 8 0 9 0 8 0 9 0 51 reduction factor Lubrication maintenance interval 10 years 0 51 5 1 years 62 months CAUTION This calculated maintenance interval applies neither to the maintenance of o...

Страница 12: ...E Lubricant can leak out of the lubrication points After that the grease fittings should be installed At initial assembly or upon complete disassembly of the spindle nut is filled all gears and bearings pocketed filling All moving parts as well as internal surfaces are coated to cover them Lubricant quantity according to expenditure Lubricant specification according to the operating instructions d...

Страница 13: ...ivered with the optional handwheel This option allows an adjustment of the valve in de energized state CAUTION By activating the manual drive the fail safe function is disabled By activating the manual drive the electrical function of the drive is disabled In normal operation the handwheel 9 has no effect it rotates idly by NOTE The manual mode can be activated only when the drive is in the fail s...

Страница 14: ...tion Under Maintenance 4 1 1 Direction of rotation of handwheel for closing the valve Fail safe direction CW Figure 4 Rotation of direction for fail safe direction CW Fail safe 90 CW clockwise rotation handwheel direction of rotation Closing handwheel direction of rotation Closing fail safe close z13 z11 z13 z11 fail safe open ...

Страница 15: ...Under Maintenance 4 1 2 Direction of rotation of handwheel for closing the valve Fail safe direction CCW Figure 5 Rotation of direction for fail safe direction CCW Fail safe 90 CCW counterclockwise rotation handwheel direction of rotation Closing handwheel direction of rotation Closing fail safe close z14 z12 z14 z12 fail safe open ...

Страница 16: ... has to be driven to the fail safe position by the handwheel The coupling rod be pulled up to the stop of the actuator The coupling rod again secured with the padlock 4 1 5 Required Force on the Handwheel Table 3 shows the maximum force applied to the handwheel for the different actuator sizes Table 3 Type Max handwheel torque Nm Handwheel diameter mm In fail safe direction Counter fail safe direc...

Страница 17: ...Service Manual VCIOM 16909 EN Rev 0 Notes October 2021 This page intentionally left blank ...

Страница 18: ...We reserve the right to modify or improve the designs or specifications of our products at any time without notice For complete list of sales and manufacturing sites please visit www emerson com actuationtechnologieslocations or contact us at info actuationtechnologies emerson com NORTH SOUTH AMERICA 19200 Northwest Freeway Houston TX 77065 USA T 1 281 477 4100 Av Hollingsworth 325 Iporanga Soroca...

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