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Installation, Operation and Maintenance Manual

VA-DC-000-1879 Rev. 0

April 2021

23

Appendix

Appendix

A.4

Part No. VA-ED-005-1120, M18 Assembly
Drawing, Sheet 4 of 7

Figure A-4

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Содержание Bettis M18

Страница 1: ...Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 April 2021 Bettis M18 Manual Hydraulic Override System For HD T and G Series Pneumatic and Hydraulic Actuators ...

Страница 2: ...April 2021 Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 This page is intentionally left blank Notes ...

Страница 3: ...tion 4 M18 Disassembly Instructions 4 1 M18 Pressure Release Instructions 12 4 2 M18 Reservoir Disassembly Instructions 12 4 3 M18 Pump Disassembly Instructions 13 Section 5 M18 Reassembly Instructions 5 1 M18 General Reassembly Instructions 16 5 2 M18 Reservoir Reassemble Instructions 16 5 3 M18 Pump Reassembly Instructions 17 Appendix A List of Drawings A 1 Part No VA ED 005 1120 M18 Assembly Dr...

Страница 4: ...April 2021 Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 Notes This page is intentionally left blank ...

Страница 5: ...1 1 2 MAINTENANCE 1 1 2 1 Bettis does not recommend periodic field maintenance for the M18 Manual Hydraulic Override System pump and reservoir 1 1 2 2 The only time the M18 Manual Hydraulic Override System should be disassembled is when either the pump or the reservoir fails to perform its manual hydraulic override function 1 1 2 3 When possible the M18 package should be returned to the factory fo...

Страница 6: ...ition are intrinsically safe if the instructions contained within this Service Instruction are strictly adhered to and executed by a well trained equipped prepared and competent technician WARNING For the protection of personnel working on Bettis actuators this procedure should be reviewed and implemented for safe operation Close attention should be noted to the WARNINGS CAUTIONS and NOTES contain...

Страница 7: ...rior written approval of Bettis Product Engineering 1 4 1 Standard and high temperature service 20 F to 350 F use Shell Tellus T 32 Automatic Transmission Fluid 1 4 2 Low temperature service 40 F to 150 F Use Exxon Univis J13 or HVI 13 Hydraulic Fluid 1 5 Bettis Reference Materials 1 5 1 Bettis M18 System Assembly drawing part number VA ED 005 1120 attached to the end of the document 1 5 2 M18 wit...

Страница 8: ...ating media of the correct pressure through a control valve to the actuator s power cylinder 2 2 Actuator M18 Manual Hydraulic Operation 2 2 1 Shut off and exhaust the operating media from both sides of the actuator s power cylinder 2 2 2 M18 Manual Hydraulic Operation as follows 2 2 2 1 Double Acting Actuators Select actuator rotation desired by placing the control knob 25 200 in the Manual CW or...

Страница 9: ... in the counterclockwise CCW position and proceed to step 3 1 2 3 1 1 3 Pneumatic G and HD Series Actuators Apply pneumatic pressure to the inlet port located in the inner end cap of the actuators power module cylinder placing the actuator in the clockwise CW position and proceed to step 3 1 2 3 1 2 Filling Method Number 1 Filling of the M18 Manual Hydraulic Override System is best accomplished us...

Страница 10: ...in the inboard area of the hydraulic override cylinder install pipe plug into the vacant port hole NOTE Use pipe dope on the bleed pipe plug 3 1 2 7 When hydraulic fluid appears at the vacant bleed plug port hole located in the outboard area of the hydraulic override cylinder stop the pump motor and install pipe plug into the vacant port hole NOTE Use pipe dope on the bleed pipe plug 3 1 2 8 Disco...

Страница 11: ...der adapter 3 1 3 3 Place the M18 pump control knob in the Manual position CAUTION Never allow the M18 reservoir to be pumped dry of hydraulic fluid 3 1 3 4 Fill reservoir to 1 1 2 inches from top of reservoir end cap 10 10 NOTE Add fluid to the reservoir through the open port left vacant in step 3 1 3 1 3 1 3 5 Start pumping the hydraulic fluid into the system with the M18 pump handle switch the ...

Страница 12: ...lling of the M18 Manual Hydraulic Override System is best accomplished using a pump motor NOTE If a pump motor is not available go to step 3 2 2 Method number 2 for the manual field service refilling procedure 3 2 1 1 Actuator hydraulic override cylinder pipe plug removal 3 2 1 1 1 G Series Remove one pipe plug from the spring cartridge hydraulic override outer end cap 3 2 1 1 2 HD and T Series Re...

Страница 13: ...or from the M18 reservoir 3 2 1 8 Stop the air on the power module wait the spring back to 0 3 2 1 9 Fill reservoir to 1 1 2 inches from top of reservoir end cap 10 10 after redundant fluid bleeds out of the reservoir NOTE Add fluid to the reservoir through the open port left vacant in step 3 2 1 7 3 2 1 10 Apply pipe dope to breather threads and install breather 10 90 into port vacated in step 3 ...

Страница 14: ...into the vacant pipe plug port as follows 3 2 2 7 1 G Series At the vacant pipe plug port located in the hydraulic override end cap 3 2 2 7 2 HD and T Series At both vacant pipe plug port located in the actuator s hydraulic override cylinder 3 2 2 8 Stop the air on the power module wait the spring back to 0 3 2 2 9 Fill the M18 reservoir 1 1 2 inches from the top of the reservoir after redundant f...

Страница 15: ...from the actuator s power cylinder and check the actuator position indicator if happen changes 3 2 3 10 Remove the breather 10 90 from the top of the reservoir upper end cap 10 10 3 2 3 11 Stop the air on the power module wait for the spring to return to 0 3 2 3 12 Fill reservoir to 1 1 2 inches from top of reservoir end cap 10 10 after redundant fluid bleeded out of the reservoir 3 3 Priming M18 ...

Страница 16: ...itting press and hold plug 90 20 to release fluid pressure G and T Series Actuators there is 250 psi pressure and HD Series Actuator there is 33 psi pressure 4 1 2 Remove the 1 4 pipe plug 10 80 from the reservoir bottom end cap 10 40 4 1 3 Place the M18 control knob 25 200 in the Manual position 4 1 4 Remove all the M18 pump assembly piping SS Tubing 50 with male connector 40 4 2 M18 Reservoir Di...

Страница 17: ...g a means of capturing the hydraulic fluid that will be lost during the following steps i e a bucket tub large container etc 4 3 2 Refer to assembly drawing sheet 1 Remove all the M18 pump assembly piping male connector 40 and Tubing 50 NOTE If the M18 pump is equipped with Auto Reset refer to assembly drawing sheet 6 and do steps 4 3 3 and 4 3 4 If not equipped with Auto Reset skip steps 4 3 3 an...

Страница 18: ...0 4 3 13 Remove quick release pin 20 10 110 from pump handle lever 20 10 90 and pump rod 20 10 50 4 3 14 Pull the pump rod 20 10 50 up out of the pump cylinder 20 10 20 using a slight twisting back and forth motion 4 3 15 Refer to assembly drawing sheet 3 Remove retainer ring 20 10 80 from the manifold 20 10 10 4 3 16 Pull the cylinder pin 20 10 60 out of from the manifold 20 10 10 using a 1 4 20 ...

Страница 19: ... 20 10 10 4 3 24 Remove the control valve stem 20 10 280 rotor 20 10 300 and back plate 20 10 320 from the M18 manifold 20 10 10 NOTE Use plastic mallet tap lightly end of the control valve stem 20 10 280 while holding the back plate 20 10 320 to prevent it from pop up by the spring 20 10 390 4 3 25 Remove spring pin 20 10 340 from control valve rotor 20 10 300 4 3 26 Refer to assembly drawing she...

Страница 20: ...ill be subjected to sliding or rotating motion Sealing surfaces of the manifold 20 10 10 and pump rod 20 10 50 must be free of deep scratches pitting corrosion and blistering or flaking coating CAUTION Parts that reflect any of the above listed characteristics should be replaced with new parts 5 1 4 Before installation coat all moving parts with a complete film of lubricant Coat all seals with a c...

Страница 21: ... Install O ring seals 20 20 40 into grooves on manifold 20 10 10 5 3 2 Install control valve disc 20 10 290 on manifold 20 10 10 with flat head screws 20 10 330 5 3 3 Insert spring pin 20 10 340 onto rotor 20 10 300 and valve stem 20 10 280 5 3 4 Install above assembly into manifold 20 10 10 5 3 5 Place thrust bearing 20 10 370 and bearing washer 20 10 380 on the back surface of the rotor 20 10 30...

Страница 22: ...0 20 5 3 17 Install retaining ring onto manifold 20 10 10 5 3 18 Install position label 25 160 onto pump cover 25 140 using button head screw 25 430 and hex nut 25 440 NOTE The label for Spring Return Actuators will be mounted with the two position AUTO or MANUAL side of the label facing outward If the actuator is a Double Acting model then the three position MANUAL CW AUTO and MANUAL CCW side of ...

Страница 23: ... Install the male swivel elbow to the air pressure cylinder 80 90 5 3 29 Install the bracket 80 50 on the reservoir side of the manifold 20 10 10 and retaining the bracket with two socket cap screws 80 10 5 3 30 Reinstall any piping that was removed from the M18 package Table 1 M18 Hydraulic Override Stroke Pin Postion 1 Pin Postion 2 Pin Postion 3 M18 M18 M18 Override Module Outboard Strokes Inbo...

Страница 24: ...April 2021 Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 20 Appendix Appendix Appendix A List of Drawings A 1 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 1 of 7 Figure A 1 ...

Страница 25: ...Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 April 2021 21 Appendix Appendix A 2 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 2 of 7 Figure A 2 ...

Страница 26: ...April 2021 Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 22 Appendix Appendix A 3 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 3 of 7 Figure A 3 ...

Страница 27: ...Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 April 2021 23 Appendix Appendix A 4 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 4 of 7 Figure A 4 ...

Страница 28: ...April 2021 Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 24 Appendix Appendix A 5 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 5 of 7 Figure A 5 ...

Страница 29: ...Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 April 2021 25 Appendix Appendix A 6 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 6 of 7 Figure A 6 ...

Страница 30: ...April 2021 Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 26 Appendix Appendix A 7 Part No VA ED 005 1120 M18 Assembly Drawing Sheet 7 of 7 Figure A 7 ...

Страница 31: ...Installation Operation and Maintenance Manual VA DC 000 1879 Rev 0 April 2021 This page is intentionally left blank Notes ...

Страница 32: ...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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