bettis m11 manual hydraulic override system operating instructions for
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1. flat washer s 40 150 from auto reset lower pivot pin 40 130 located on the back side of auto reset bracket 40 110 Refer to assembly drawing sheet 2 Remove one socket cap screw 20 180 from the center of the M11 control knob 20 320 and remove the control knob from the control valve 20 190 Remove the self tapping hex head screws 20 240 from the position label 20 230 Remove position label 20 230 from the control valve 20 190 Remove the screws that retain the control valve 20 190 to the M11 manifold 20 10 Remove the control valve 20 190 from the M11 manifold 20 10 Using a standard 1 4 Allen wrench remove o ring plug 20 250 from the right side of the M11 manifold 20 10 Remove the relief valve 20 30 from the right side of the M11 manifold 20 10 Using a standard 1 4 Allen wrench remove o ring plug 20 270 from the bottom end of pump rod 20 50 Remove check valve 20 40 from pump rod 20 50 5 1 5 2 Bettis P N 126858 Revision F Page 11 of 15 SECTION 5 M11 REASSEMBLE INSTRUCTIONS GENERAL REASSEMBLY INSTRUCTIONS CAUTION Only new seals that are still within the seal s expectant shelf life should be install into Bettis product being refurbished 5 1 1 Remove and discard all old seals and gaskets 5 1 2 All parts should be cleaned to remove all dirt and other foreign material prior to inspection 5 1 3 All parts should be thoroughly inspected for excessive wear stress2. fluid to the reservoir through the open port left vacant in step 3 1 2 10 3 1 2 12Apply pipe dope to breather 10 140 threads and install into the port in top of the reservoir inner end cap 10 10 Return the M11 pump selector knob to the Auto position With the M11 selector knob in the Auto position the actuator is ready for service REFILLING METHOD NUMBER 2 Refilling the M11 Manual Hydraulic Override System without using a pump motor 3 1 3 1 Remove breather 10 140 from the top of the reservoir end cap 10 10 3 2 Bettis P N 126858 Revision F Page 5 of 15 3 1 2 2 Remove the bleed plugs from the following locations NOTE Only remove the pipe plugs located at the highest points in the vertical plane of the hydraulic override cylinder 3 1 2 2 1 G Series Actuators remove o ring plug from the top of the outer and inner end caps 3 1 2 2 2 T Series Actuators remove pipe plugs from the top area located on the outer and inner end of the hydraulic override cylinder 3 1 2 2 3 HD Series Actuators remove pipe plug from the top area on the outer end of the hydraulic override cylinder and the cylinder adapter 3 1 3 3 Place the M11 pump selector knob in the Manual position CAUTION Never allow the M11 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 st
3. 0 180 amp lockwasher 20 185 Install the manifold 20 10 onto the mounting bracket 30 90 using four countersunk flat socket screws to retain the manifold to the mounting bracket Install the M11 package mounting bracket 30 90 onto the actuator housing mounting pad using four socket cap screws If the M11 pump is equipped with Auto Reset then do steps 5 3 33 and 54 3 34 or if non Auto Reset M11 skip steps 5 3 33 and 5 3 34 Install the male swivel elbow to the Bimba Cylinder 40 90 Install the bracket 40 50 on the reservoir side of the manifold 20 10 and retaining the bracket with two socket cap screws 40 10 Reinstall any piping that was removed from the M11 package 6 1 Bettis P N 126858 Revision F Page 15 of 15 SECTION 6 0 MODIFICATIONS M11 PUMP HANDLE REORIENTATION ECN 19291 19330 19562 Remove the four socket cap screws 20 110 from pump cover 20 20 Lift the pump cover 20 20 up from manifold 20 10 far enough to turn the pump handle to its new location Before putting the pump cover back down on the manifold be sure that the pump cover to manifold o ring is still seated in it s seal groove located in the pump cover Install the pump cover back down on top of the manifold Install the four socket cap screws 20 110 through the pump cover and into the manifold Tighten the socket cap screws 20 110 tight plus a quarter turn DATE REV BY DATE 26 Oct 06 C COMPILED L Ramirez 18 Apr
4. 270 into the side of manifold block 20 10 Install Polypak seal 25 20 into the lower seal groove located on the pump rod 20 50 NOTE Refer to assembly drawing sheet 2 Section A A for correct orientation for Polypak lips Install Polypak seal 25 10 into the upper seal groove located on the pump rod 20 50 NOTE Refer to assembly drawing page 2 for correct orientation for Polypak lips Install rod bushing 25 80 into groove located on the pump rod 20 50 Install pump rod 20 50 into pump rod shaft of manifold 20 10 Install rod wiper 25 30 into pump cover 20 20 Install rod bearing 25 40 into pump cover 20 20 Install Polypak seal 25 50 into pump cover 20 20 Install o ring seal 25 60 into pump cover 20 20 Install pump cover 20 20 onto top of manifold 20 10 NOTE When installing the manifold cover be careful in keeping the o ring seal 25 60 in its seal groove Install four cap screws 20 110 through pump cover 20 20 and into manifold 20 10 If removed install two pump links 20 60 Retain the two pump link to pump cover 20 20 using one link pivot pin 20 150 and one retainer ring 20 140 Tie the two pump links together using hex cap screw 20 220 two link pivot spacers 20 360 lockwasher 20 185 and elastic nut 20 280 Install pump handle lever 20 90 Retain pump handle to pump rod 20 50 using one pivot pin 20 130 and one retainer ring 20 140 Install quick relea
5. BETTIS M11 MANUAL HYDRAULIC OVERRIDE SYSTEM OPERATING INSTRUCTIONS FOR HD T AND QG SERIES PNEUMATIC AND HYDRAULIC ACTUATORS PART NUMBER 126858 REVISION F RELEASE DATE 18 September 2007 CONTENTS SECTION 1 0 INTRODUCTION 1 1 General M11 Service Information 1 2 Definitions 1 3 General Safety Information 1 4 1 5 Fluid Requirements Bettis Reference Materials SECTION 2 0 GENERAL OPERATION INFORMATION 2 1 Actuator Power Operation 2 2 Actuator M11 Manual Hydraulic Operation SECTION 3 0 M11 SYSTEM FILLING INSTRUCTIONS 3 1 Double Acting Actuator M11 System fluid Filling 3 2 Spring Return Actuator M11 System fluid Filling SECTION 4 0 M11 DISASSEMBLY INSTRUCTIONS 4 1 M11 Pressure Release Instructions 4 2 M11 Reservoir Disassembly Instructions 4 3 M11 Pump Disassembly Instructions SECTION 5 0 M11 REASSEMBLY INSTRUCTIONS 5 1 M11 General Reassembly Instructions 5 2 M11 Reservoir Reassembly Instructions 5 3 M11 Pump Reassembly Instructions SECTION 6 0 MODIFICATIONS 6 1 M11 Pump Handle Reorientation PAGE NNN a a NN o1 oo 11 11 12 1 1 1 2 1 3 Bettis P N 126858 Revision F Page 1 of 15 SECTION 1 INTRODUCTION GENERAL M11 SERVICE INFORMATION 1 1 1 M11 is a compact modular hydraulic override system designed for use with Bettis Double Acting and Spring Return Actuators The system incorporates a piston type hand pump and a fluid reservoir NOTE Th
6. an 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 contained in this procedure 1 4 1 5 2 1 2 2 Bettis P N 126858 Revision F Page 2 of 15 WARNING This procedure should not supersede or replace any customer s plant safety or work procedures If a conflict arises between this procedure and the customer s procedures the differences should be resolved in writing between an authorized customers representative and an authorized Bettis representative FLUID REQUIREMENTS 1 4 1 M11 Manual Hydraulic Override System Fluid Requirements Hydraulic fluids other than those listed in steps 1 4 1 and 1 4 2 should not be used without prior written approval of Bettis Product Engineering 1 4 1 Standard and high temperature service 20 F to 350 F use Dexron II or Shell Tellus T 32 Automatic Transmission Fluid 1 4 2 Low temperature service 50 F to 150 F Use Exxon Univis J13 or HVI 13 Hydraulic Fluid BETTIS REFERENCE MATERIALS 1 5 1 Bettis M11 System Assembly drawing part number 127247 1 5 2 M11 with auto reset module uses additional drawing part number 135978 SECTION 2 GENERAL INFORMATION ACTUATOR POWER OPERATION CAUTION Power operation of the actuator with the M11 control knob in any other position than AUTO will cause fluid to overflow at the l
7. and inner end NOTE Only remove the pipe plugs located at the highest points in the vertical plane of the hydraulic override cylinder 3 2 1 2 Disconnect the pump hose from the reservoir fitting located close to the reservoir inner end cap 10 10 and connect the pump motor to the pump hose 3 2 1 3 Place the M11 pump selector knob in the Auto position The pressure pump should not exceed 10 to 20 psi when force filling the M11 hydraulic system 3 2 1 4 3 2 1 5 3 2 1 6 3 2 1 7 3 2 1 8 3 2 1 9 Start pumping the hydraulic fluid into the system with the pump motor Stop the pump motor when hydraulic fluid appears as follows 3 2 1 5 1 3 2 1 5 2 G Series At the vacant pipe plug port located in the hydraulic override end cap HD and T Series At both vacant pipe plug port located in the actuator s hydraulic override cylinder Apply pipe dope onto pipe plug threads and install into the vacant pipe plug port as follows 3 2 1 6 1 3 2 1 6 2 G Series At the vacant pipe plug port located in the hydraulic override end cap HD and T Series At both vacant pipe plug ports located in the actuator s hydraulic override cylinder Disconnect the pump motor from the M11 pump hose Connect the M11 pump hose to the fitting on the reservoir outer end cap 10 10 Remove the breather 10 140 from the top of the reservoir inner end cap 10 10 3 2 1 10Fill reservoir to 1 1 2 inches from top of
8. assembly 10 30 Screw bottom end cap 10 60 onto center bar assembly 10 30 Install reservoir o ring 10 150 over the lip of bottom end cap 10 60 Install cylinder 10 20 over the lip of bottom end cap 10 60 Install reservoir o ring 10 150 over the lip of upper end cap 10 10 then install entire upper end cap assembly 10 10 over the lubricated center bar assembly 10 30 and into the cylinder 10 20 Install thread seal 10 80 and countersink washer 10 75 onto center bar assembly 10 30 Install and tighten acorn nut 10 70 onto center bar assembly 10 30 Apply sealant to breather 10 140 and install into upper end cap 10 10 Apply sealant to pipe plug 10 100 and install into bottom end cap 10 60 M11 PUMP REASSEMBLY INSTRUCTIONS NOTE 5 3 1 5 3 2 5 3 3 5 3 4 Review section 5 1 General Reassembly before proceeding with M11 pump reassembly Install o ring seals onto two o ring plugs 20 270 Install one check valve 20 40 with o ring seal into the bottom of pump rod 20 50 Install one o ring plug 20 270 into the bottom of pump rod 20 50 Install one check valve 20 40 with o ring seal into the side of manifold block 20 10 5 3 5 5 3 6 5 3 7 5 3 8 5 3 9 5 3 10 5 3 11 5 3 12 5 3 13 5 3 14 5 3 15 5 3 16 5 3 17 5 3 18 5 3 19 5 3 20 5 3 21 5 3 22 5 3 23 Bettis P N 126858 Revision F Page 13 of 15 Install one o ring plug 20
9. cracking galling and pitting Attention should be directed to threads sealing surfaces and areas that will be subjected to sliding or rotating motion Sealing surfaces of the manifold 20 10 and pump rod 20 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 complete film of lubricant before installing into seal grooves NOTE The parts and seals used in the actuator will be assembled using lubricant as identified in section 1 step 1 5 1 M11 RESERVOIR REASSEMBLE INSTRUCTIONS NOTE Review Section 5 1 General Reassembly Instructions before proceeding with reservoir reassembly 5 2 1 Refer to the assembly drawing SHEET 3 If disassembled reassemble the following items 5 2 2 1 Pipe nipple 10 40 pipe tee 10 50 elbow 10 90 low pressure relief valve 10 130 and check valve 10 120 into one complete assembly 5 3 5 2 3 5 2 4 5 2 5 5 2 6 5 2 7 5 2 8 5 2 9 5 2 10 Bettis P N 126858 Revision F Page 12 of 15 5 2 2 2 Using pipe dope install the items assembled in step 5 2 2 1 into upper end cap 10 10 NOTE The pipe nipple 10 40 is installed into the upper end cap 10 10 Position the above assembly such that the assembly will not interfere with the center bar
10. crews that retains the mounting bracket 30 90 to actuator housing and remove M11 pump assembly bracket Refer to assembly drawing sheet 1 Remove four countersunk socket flat screws 30 100 that mounts mounting bracket 30 90 to pump manifold 20 10 4 3 10 4 3 11 NOTE 4 3 12 4 3 13 4 3 14 4 3 15 NOTE 4 3 16 4 3 17 4 3 18 4 3 19 4 3 20 4 3 21 4 3 22 4 3 23 4 3 24 4 3 25 4 3 26 Bettis P N 126858 Revision F Page 10 of 15 Remove the M11 pump assembly from the M11 mounting bracket 30 90 Refer to assembly drawing sheet 2 Remove four cap screws 20 110 from pump cover 20 20 In step 4 3 10 the pump handle lever 20 90 pump rod 20 50 and associated parts will be removed with the pump cover 20 20 Remove pump cover 20 20 from manifold 20 10 NOTE To remove the pump cover 20 20 pull the pump rod 20 50 up out of the manifold 20 10 using a slight twisting back and forth motion Remove quick release pin 20 120 from pump handle lever 20 90 Remove retainer ring 20 140 from pivot pin 20 130 Remove pivot pin 20 130 from pump rod 20 50 If the M11 pump is equipped with Auto Reset then do steps 4 3 16 and 4 3 17 and refer to Auto Reset drawing 135978 If not equipped with Auto Reset skip steps 4 3 16 and 4 3 17 Remove one retainer ring 40 140 from auto reset lower pivot pin 40 130 located on the back side of auto reset bracket 40 110 Remove
11. e M11 fluid reservoir is required because of the hydraulic cylinder differential which is due to the inboard piston rod displacement 1 1 2 MAINTENANCE 1 1 2 1 Bettis does not recommend periodic field maintenance for the M11 Manual Hydraulic Override System pump and reservoir 1 1 2 2 The only time the M11 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 M11 package should be returned to the factory for maintenance 1 1 3 Numbers in parentheses indicate the bubble number reference number used on the Bettis Assembly Drawing WARNING Do not use Teflon tape on M11 system threads 1 1 4 Useanon hardening thread sealant on all system threads CAUTION Apply thread sealant per the manufacture s instructions DEFINITIONS WARNING If not observed user incurs a high risk of severe damage to actuator and or fatal injury to personnel CAUTION If not observed user may incur damage to actuator and or injury to personnel NOTE Advisory and information comments provided to assist maintenance personnel to carry out maintenance procedures GENERAL SAFETY INFORMATION Products supplied by Bettis in its as shipped condition 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 technici
12. ep 3 1 3 1 3 1 3 5 Start pumping the hydraulic fluid into the system with the M11 pump handle 3 1 3 6 Stop pumping the M11 pump handle when hydraulic fluid appears at both vacant pipe plug ports located in the actuator s hydraulic override cylinder 3 1 3 7 Apply pipe dope onto pipe plug threads and install into the vacant pipe plug ports at both vacant pipe plug ports located in the actuator s hydraulic override cylinder 3 1 3 8 Fill the M11 reservoir 1 1 2 inches from the top of the reservoir 3 1 3 9 Apply pipe dope to the breather 10 140 threads and install into the port on top of the reservoir upper end cap 10 10 SPRING RETURN ACTUATORS M11 SYSTEM FLUID FILLING _Use either Refilling Method Number 1 steps 3 2 1 or Refilling Method Number 2 steps 3 2 2 NOTE Method Number 1 is the best most efficient and the recommended method 3 2 1 REFILLING METHOD NUMBER 1 Refilling of the M11 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 NOTE 3 2 2 3 2 1 1 2 Bettis P N 126858 Revision F Page 6 of 15 HD and T Series Remove the pipe plugs from the actuator hydraulic override cylinder outer
13. es Actuators remove pipe plugs from the top area located on the outer and inner end of the hydraulic override cylinder 3 1 2 2 3 HD Series Actuators remove pipe plug from the top area on the outer end of the hydraulic override cylinder and the cylinder adapter Disconnect the pump hose from the reservoir fitting located close to the reservoir upper end cap 10 10 and connect the pump motor to the pump hose The M11 pump handle should be in the up position Place the M11 pump selector knob in the Auto position The pressure pump should not exceed 10 to 20 psi when force filling the M11 hydraulic system Start pumping the hydraulic fluid into the system with the pump motor When hydraulic fluid appears at the vacant bleed plug port hole located 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 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 Disconnect the pump motor from the M11 pump hose Connect the M11 pump hose to the fitting on the reservoir outer end cap 10 10 3 1 2 10 Remove the breather 10 140 from the top of the reservoir upper end cap 10 10 3 1 2 11 Fill reservoir to 1 1 2 inches from top of reservoir end cap 10 10 Note Add
14. il 2007 17 Nov 06 D CHECKED C Ross 18 April 2007 18 April 2007 E APPROVED D McGee 18 April 2007 Signatures on file Bettis Actuator amp Controls Waller Texas
15. ocated in the hydraulic override end cap HD and T Series At both vacant pipe plug ports located in the actuator s hydraulic override cylinder Apply pipe dope onto pipe plug threads and install into the vacant pipe plug port as follows 3 2 2 7 1 3 2 2 7 2 G Series At the vacant pipe plug port located in the hydraulic override end cap HD and T Series At both vacant pipe plug port located in the actuator s hydraulic override cylinder Fill the M11 reservoir 1 1 2 inches from the top of the reservoir Apply pipe dope to the breather 10 140 threads and install into the port on top of the reservoir upper end cap 10 10 4 1 4 2 Bettis P N 126858 Revision F Page 8 of 15 SECTION 4 M11 DISASSEMBLY INSTRUCTIONS M11 PRESSURE RELEASE INSTRUCTIONS NOTE NOTE Shut off and exhaust the operating media from both sides of the actuator s power cylinder Place the M11 control knob 20 320 in the Auto position middle position NOTE Control knob 20 320 is located in front and at the bottom of the M11 pump manifold 20 10 Using a means of capturing the hydraulic fluid that will be lost during the following steps Use a bucket tub and large container etc Remove the 1 8 pipe plug 10 100 from the reservoir bottom end cap 10 60 Place the M11 control knob 20 320 in the Manual position Remove all the M11 pump assembly piping SS Tubing 50 with male connector 40 When removing the p
16. od 3 1 1 NOTE Actuator position as follows 3 1 1 2 Pneumatic and Hydraulic T series actuators Apply pneumatic or hydraulic pressure to the inlet port located in the outer end cap of the actuators power cylinder placing the actuator in the counter clockwise CCW position and proceed to step 3 1 2 3 1 1 3 Hydraulic G series actuators Apply pneumatic or hydraulic pressure to the inlet port located in the outer end cap of the actuators power module cylinder placing the actuator in the counter clockwise CCW position and proceed to step 3 1 2 3 1 1 4 Pneumatic G and HD series actuators Apply pneumatic pressure to the inlet port located in the outer end cap of the actuators power module cylinder placing the actuator in the clockwise CW position and proceed to step 3 1 2 REFILLING METHOD NUMBER 1 Refilling of the M11 Manual Hydraulic Override System is best accomplished using a pressure pump If a pressure pump is not available go to step 3 1 3 method number 2 for the manual field service refilling procedure 3 1 2 1 Shut off and exhaust the operating media from the actuator s power cylinder 3 1 2 13 3 1 2 2 3 1 2 3 NOTE 3 1 2 4 NOTE 3 1 2 5 3 1 2 6 3 1 2 7 3 1 2 8 3 1 2 9 Bettis P N 126858 Revision F Page 4 of 15 Remove the bleed plugs from the following locations 3 1 2 2 1 G Series Actuators remove o ring plug from the top of the outer and inner end caps 3 1 2 2 2 T Seri
17. ow pressure relief valve located in the reservoir outer end cap 2 1 1 Place the M11 control knob 20 320 in the Auto position middle position NOTE The control knob 20 320 is located in front and at the bottom of the M11 pump CAUTION Do not exceed the maximum operating pressure rating of the actuator 2 1 2 Apply an operating media of the correct pressure through a control valve to the actuator s power cylinder ACTUATOR M11 MANUAL HYDRAULIC OPERATION 2 2 1 Shut off and exhaust the operating media from both sides of the actuator s power cylinder 3 1 2 2 2 2 2 3 NOTE Bettis P N 126858 Revision F Page 3 of 15 M11 Manual Hydraulic Operation as follows 2 2 2 1 Double Acting Actuators Select actuator rotation desired by placing the control knob 20 320 in the Manual CW or Manual CCW position 2 2 2 2 Spring Return Actuators Place the control knob 20 320 in the Manual position Operate the M11 pump handle until required valve position is reached When the actuator is fully stroked against the travel stops an increased resistance in pumping effort will be noted Continued operation of the pump simply circulates fluid through a relief valve SECTION 3 M11 SYSTEM FLUID FILLING INSTRUCTIONS DOUBLE ACTING ACTUATOR M11 SYSTEM FLUID FILLING Use either Refilling Method Number 1 steps 3 1 2 or Refilling Method Number 2 steps 3 1 3 Method number 1 is the best most efficient and the recommended meth
18. reservoir end cap 10 10 Note Add fluid to the reservoir through the open port left vacant in step 3 2 1 9 3 2 1 11 Apply pipe dope to breather threads and install breather 10 140 into port vacated in step 3 2 1 9 REFILLING METHOD NUMBER 2 Refilling the M11 Manual Hydraulic Override System without using a pump motor 3 2 2 1 Remove breather 10 140 from the top of the reservoir end cap 10 10 Bettis P N 126858 Revision F Page 7 of 15 3 2 2 2 Actuator hydraulic override cylinder pipe plug removal 3 2 2 2 1 3 2 2 2 2 G Series Remove one pipe plug from the spring cartridge hydraulic override outer end cap HD and T Series Remove the pipe plugs from the actuator hydraulic override cylinder outer and inner end NOTE Only remove the pipe plugs located at the highest points in the vertical plane of the hydraulic override cylinder 3 2 2 3 Place the M11 pump selector knob in the Manual position CAUTION Never allow the M11 reservoir to be pumped dry of hydraulic fluid 3 2 2 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 15 3 2 2 5 3 2 2 6 3 2 2 7 3 2 2 8 3 2 2 9 Start pumping the hydraulic fluid into the system with the M11 pump handle Stop pumping the M11 pump handle when hydraulic fluid appears as follows 3 2 2 6 1 3 2 2 6 2 G Series At the vacant pipe plug port l
19. se pin 20 120 through the two pump links 20 60 and the pump handle lever 20 90 NOTE The quick release pin can be installed in position 1 2 or 3 Select position most appropriate for effort desired Install relief valve 20 30 into the right side of the manifold 20 10 Install o ring plug 20 250 into the right side of the manifold 20 10 Install the control valve 20 190 onto the front of the manifold 20 10 5 3 25 5 3 26 5 3 27 5 3 28 5 3 29 5 3 30 5 3 31 5 3 32 NOTE 5 3 33 5 3 34 5 3 35 Bettis P N 126858 Revision F Page 14 of 15 Retain the control valve 20 190 to the manifold by install screws through the control valve body and screwing into the manifold 20 10 Tighten control valve screws to tight plus 1 4 turn Install the position label 20 230 onto the control valve 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 the label will be facing outward Retain the position label with one type AB self tap hex head screw 20 240 Install the control pointer 20 200 onto the control valve 20 190 Install the control knob 20 320 onto the control valve 20 190 Retain the control knob 20 320 on the control valve 20 190 with one socket cap screw 2
20. ump hose tube fitting there will be a loss of fluid pressure G amp T Series actuators there is 250 psi pressure and HD Series actuator there is 33 psi pressure M11 RESERVOIR DISASSEMBLY INSTRUCTIONS NOTE 4 2 1 4 2 2 4 2 3 4 2 4 4 2 5 4 2 6 4 2 7 4 2 8 Review Section 4 1 M11 Pressure Relief Instructions before proceeding with reservoir disassembly Remove piping from port located in upper end cap 10 10 Loosen socket cap screws 30 20 and remove the M11 reservoir from the M11 mounting bracket 30 90 Remove breather 10 140 from upper end cap 10 10 Remove acorn nut 10 70 from upper end cap 10 10 Remove center bar assembly 10 30 from the upper end of the reservoir upper end cap 10 10 Remove bottom end cap 10 60 from M11 cylinder 10 20 and center bar assembly 10 30 Remove M11 cylinder 10 20 from upper end cap 10 10 If required for replacement or maintenance remove low pressure relief valve 10 130 from elbow 10 90 4 3 4 2 9 4 2 10 4 2 11 Bettis P N 126858 Revision F Page 9 of 15 If required for replacement or maintenance remove check valve 10 120 from pipe tee 10 50 Remove elbow 10 90 pipe tee 10 50 and pipe nipple 10 40 Remove Thread Seal 10 80 and washer 10 75 from upper end cap 10 10 M11 PUMP DISASSEMBLY INSTRUCTIONS NOTE 4 3 1 NOTE 4 3 2 4 3 3 4 3 4 4 3 5 NOTE 4 3 6 4 3 7 4 3 8 4 3 9 Re
21. view Section 4 1 M11 Pressure Relief Instructions before proceeding with M11 pump disassembly Place the M11 control knob 20 320 in the Auto position middle position NOTE Control knob 20 320 is located in front and at the bottom of the M11 pump manifold 20 10 Using a means of capturing the hydraulic fluid that will be lost during the following steps i e a bucket tub large container etc Using a standard 1 4 Allen wrench remove o ring plug 20 270 from the left side of the manifold 20 10 Place the M11 control knob 20 320 in the Manual position Refer to assembly drawing sheet 2 To remove the check valve 20 40 from the manifold 20 10 move the pump handle to the up position and using a fast motion move pump handle down Be ready to catch the check valve as pulling the pump handle down will cause the check valve to come out of the manifold under pressure There will be further fluid lost when the check valve 20 40 is removed Refer to assembly drawing sheet 1 Remove all the M11 pump assembly piping male connector 40 and Tubing 50 If the M11 pump is equipped with Auto Reset then do steps 4 3 6 and 4 3 7 and refer to Auto Reset drawing 135978 If not equipped with Auto Reset skip steps 4 3 6 and 4 3 7 Remove male swivel elbow 40 20 from Bimba Cylinder 40 90 Remove two socket cap screws 40 10 from bracket 40 50 and manifold 20 10 Refer to assembly drawing sheet 1 Remove the four socket cap s
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