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Bettis G01 SR Series Service Instructions Manual

Spring return pneumatic actuators with m11 ydraulic override
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ENGLISH LANUAGE
BETTIS
SERVICE INSTRUCTIONS
FOR MODELS
G01 THROUGH G10
SPRING RETURN
PNEUMATIC ACTUATORS
WITH M11 HYDRAULIC OVERRIDE
PART NUMBER: 127073E
REVISION: "A"
DATE: December 2001

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  • Page 1 ENGLISH LANUAGE BETTIS SERVICE INSTRUCTIONS FOR MODELS G01 THROUGH G10 SPRING RETURN PNEUMATIC ACTUATORS WITH M11 HYDRAULIC OVERRIDE PART NUMBER: 127073E REVISION: “A” DATE: December 2001...

  • Page 2: Table Of Contents

    SECTION 1.0 – INTRODUCTION PAGE General Service Information ..............2 Definitions ....................3 General Safety Information ..............3 Bettis Reference Materials ............... 3 Service Support Items ................4 Lubrication Requirements ................ 4 General Tool Information ................. 4 SECTION 2.0 – ACTUATOR DISASSEMBLY General Disassembly ................

  • Page 3: Section 1.0 - Introduction Page

    1.1.10 Use a non-hardening thread sealant on all pipe threads. CAUTION: Apply the thread sealant per the manufacture's instructions. 1.1.11 Bettis recommends that disassembly of the actuator components should be done in a clean area on a workbench.

  • Page 4: Definitions

    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 well-trained, equipped, prepared and competent personnel.

  • Page 5: Service Support Items

    Bettis Product Engineering. 1.6.1. All temperature services (-50°F to +350°F)/(-45.5°C to 176.6°C) use Bettis ESL-5 lubricant. ESL-5 lubricant is contained in the Bettis Module Service Kit in tubes or cans and they are marked ESL-4,5 & 10 lubricant. 1.6.2 M11 Manual Hydraulic Override System Fluid Requirements: Temperature service (-35°F...

  • Page 6: Section 2.0 - Actuator Disassembly

    Bettis P/N 127073E Revision “A” Page 5 of 37 SECTION 2 - ACTUATOR DISASSEMBLY GENERAL DISASSEMBLY WARNING: It is possible, that the actuator may contain a dangerous gas and/or liquids. Ensure that all proper measures have been taken to prevent exposure or release of these types of contaminants before commencing any work.
  • Page 7 Bettis P/N 127073E Revision “A” Page 6 of 37 2.2.2 If actuator is equipped with a power module mounted extended stop (ES) then rotate the ES until clear of the piston rod (3-40). 2.2.3 Remove breather assembly (12) from outer end cap (3-80).

  • Page 8: Drive Module Disassembly

    Bettis P/N 127073E Revision “A” Page 7 of 37 2.2.9 Remove piston as follows: (On early G2 and G3 models equipped with outboard and inboard tie bar nuts skip this step and go to step 2.2.10). 2.2.9.1 Refer to assembly drawing page 2 of 2 Detail "D". Remove two split ring halves (3-50) and one retainer ring (3-60) from outboard side of piston (3-30).
  • Page 9 Bettis P/N 127073E Revision “A” Page 8 of 37 2.3.1 If not already removed remove piston rod (3-40) from drive module. 2.3.2 Mark stop screws (1-180) left and right. The setting of stop screws (1-180) should be checked and setting recorded before stop screws are loosened or removed. NOTE: Stop screws will be removed later in this procedure.
  • Page 10 NOTE: G01 model actuators skip steps 2.3.23 through 2.3.25 and continue disassembly at step 2.3.26. 2.3.23 Refer to assembly drawing page 2 of 2 Detail "B". Use Bettis tool part numbers 117368 (G8/G10), 117369 (G5/G7), 117370 (G3/G4) or 123616 (G2) and remove retention retainer nut assemblies (1-60) and (9-60) from guide block (1-30).
  • Page 11 Bettis P/N 127073E Revision “A” Page 10 of 37 2.3.29 The following items do not need to be removed from their assembled locations unless being replaced by new items: Two guide bar bearings, two yoke bearings (2-40), yoke pin bearing), yoke pin thrust bearing (2-10) and spring pin (1-100).

  • Page 12: Section 3.0 - Actuator Reassembly

    Bettis P/N 127073E Revision “A” Page 11 of 37 SECTION 3 - ACTUATOR REASSEMBLY GENERAL REASSEMBLY CAUTION: Only new seals, which are still within the seal’s expectant shelf life, should be installed into the actuator being refurbished. 3.1.1 Remove and discard all old seals and gaskets.
  • Page 13 Back off the extension retainer nut assembly (9-60) just enough to allow for extension rod assembly (9-50) to move freely. NOTE: Consult Waller Texas Bettis Service Coordinator for “yoke bearing, yoke pin bearing or yoke/guide block bushing installation information.
  • Page 14 Bettis P/N 127073E Revision “A” Page 13 of 37 3.2.16 Lubricate two yoke/guide block bushings (2-30) and install onto top and bottom sides of guide block (1-30). NOTE: The guide block (1-30) should be already pre-assembled with extension rod assembly and associated parts assembled in the guide block.
  • Page 15 Bettis P/N 127073E Revision “A” Page 14 of 37 3.2.31 Torque tighten hex cap screws (1-110) until a final lubricated torque, as listed in the following table, has been achieved. HOUSING COVER SCREW QUANTITY AND TORQUE TABLE MODEL TORQUE MODEL TORQUE (±5 % Percent)

  • Page 16: Pneumatic Power Module Reassembly

    Bettis P/N 127073E Revision “A” Page 15 of 37 3.2.41.2 G2 and G3 housing (1-10) using pipe sealant install one vent check assembly (13) into the top area of housing cover (1-20). 3.2.41.3 G4 through G10 housing (1-10) using pipe sealant install two vent check assemblies (13) into the front of housing (1-10).
  • Page 17 Bettis P/N 127073E Revision “A” Page 16 of 37 3.3.3 Refer to assembly drawing page 2 of 2 Detail "C". Install one rod wiper (4-10) into inner end cap (3-10). 3.3.4 Install one rod bushing (4-20) into inner end cap (3-10).
  • Page 18 Bettis P/N 127073E Revision “A” Page 17 of 37 3.3.16 Coat two tie bars (3-20) with lubricant and install by carefully pushing tie bars through piston (3-30) and rod T-seal (4-50). 3.3.17 Screw tie bars (3-20) into inner end cap (3-10) and tighten until the threads bottom out.

  • Page 19: G2 And G3 Early Model Pneumatic Power Module Reassembly

    Bettis P/N 127073E Revision “A” Page 18 of 37 3.3.29 Install breather assembly (12) in outer end cap (3-80). NOTE: Individual actuators may not have reducer bushing (14) depending on port and breather size. G2 AND G3 EARLY MODEL PNEUMATIC POWER MODULE REASSEMBLY...
  • Page 20 Bettis P/N 127073E Revision “A” Page 19 of 37 3.4.8 Refer to assembly drawing page 2 of 2 Detail "D". Install o-ring seal (4-70) into the seal groove in the outboard end of piston rod (3-40). 3.4.9 Install two split ring halves (3-50) into the outer most groove in piston rod (3-40) and retain by installing the recessed area of piston (3-30) over the two split halves (3-50).

  • Page 21: G01 Through G5 M11 Hydraulic Override Cylinder Reassembly

    Bettis P/N 127073E Revision “A” Page 20 of 37 3.4.21 Install and tighten socket cap screws (3-130), with lockwashers (3-140), into outer end cap (3-80). 3.4.22 Install Pneumatic Power Module per Section 5 steps 5.4. G01 THROUGH G5 M11 HYDRAULIC OVERRIDE CYLINDER REASSEMBLY NOTE: Review Section 3.1 General Reassembly before proceeding with G01 through G5 M11...

  • Page 22: Actuator Testing

    Bettis P/N 127073E Revision “A” Page 21 of 37 3.6.7 Install two split ring halves (7-30) into the outboard groove in piston rod (7-20) and retain by installing retainer ring (7-40) onto the split ring halves. 3.6.8 Install Polypak seal (8-60) into outer diameter seal groove of piston (7-50). NOTE: The lip of Polypak seal (8-60) will face toward the hydraulic override outer end cap (7-70) when installed in the hydraulic cylinder assembly.

  • Page 23: Section 4.0 - Field Conversions

    Bettis P/N 127073E Revision “A” Page 22 of 37 3.7.3 Apply NOP pressure to the pressure port in inner end cap (3-10) and allow the actuator to stabilize. 3.7.4 Apply a commercial leak testing solution to the following areas: 3.7.4.1 Joint between inner end cap (3-10) and cylinder (3-70). This checks cylinder to inner end cap o-ring seal.

  • Page 24: Section 5.0 - Module Removal And Installation

    Bettis P/N 127073E Revision “A” Page 23 of 37 4.2.3 Install Powr Swivl Module per Section 5.8. 4.2.4 Install the Spring Module onto the end of housing (1-10) per Section 5.4. 4.2.5 Install the Override Cylinder Assembly into Spring Module per Section 5.2.

  • Page 25: M11 Sr Override Cylinder Assembly Installation

    Bettis P/N 127073E Revision “A” Page 24 of 37 5.1.6.1 Unscrew and remove hex cap screws (7-100) with lockwashers (7-90) from override cylinder end cap (7-70). NOTE: To identify hex cap screws (7-100) from hex cap screws (7-80), hex cap screws (7-100) will be located to the left and right of SR cartridge top dead center and will then be counted as every other hex cap screw.

  • Page 26: Spring Module Removal

    Bettis P/N 127073E Revision “A” Page 25 of 37 M11 OVERRIDE CYLINDER END CAP TO SR CARTRIDGE SCREW TORQUE TABLE HOUSING TORQUE ±5 % Percent HOUSING TORQUE ±5 % Percent MODEL MODEL Ft-lb Ft-lb 21.68 54.2 21.68 108.4 21.68 176.15 54.2...

  • Page 27: Spring Module Installation

    ACTUATOR MUST BE IN THE APPROPRIATE OVERTRAVEL POSITION (see detail “A” on warning tag attached to Spring Module access hole cover or to Bettis drawing part number 123650). Confirm overtravel position by observing the guide block (1-30) is against the inner wall of housing (1-10).
  • Page 28 (5-10), loosen stop screw nut (1-190). 5.4.2 Unscrew or back out stop screw (1-180) to achieve overtravel as illustrated in detail “A” on warning tag attached to Spring Module cover plate or to Bettis drawing part number 123650. 5.4.3 Install o-ring seal (6-20) into the o-ring groove in the inboard end of spring cartridge assembly (5-10).
  • Page 29 Bettis P/N 127073E Revision “A” Page 28 of 37 5.4.8 Install hex cap screws (5-20) with lockwashers (5-30) through housing (1-10) and into spring cartridge assembly (5-10) and tighten. 5.4.9 Install o-ring seal (6-10) into the o-ring groove in the outboard end of spring cartridge assembly (5-10).

  • Page 30: Pneumatic Power Module Removal

    Bettis P/N 127073E Revision “A” Page 29 of 37 5.4.15.2 To fluid fill M11-S Manual Hydraulic Override System refer to instructions part number 121960. 5.4.16 If removed install stop screw nuts (1-190) onto stop screws (1-180). 5.4.17 If removed install o-ring (2-90) onto stop screws (1-180).

  • Page 31: Powr Swivl Module Removal

    5.7.2 Refer to assembly drawing sheet 2 Detail "B". Use Bettis tool part number as listed in chart in section 1 step 1.5.2 to remove retainer nut assembly (1-60) from the guide block (1-30).

  • Page 32: Section 6.0 - Actuator Support Information

    Bettis P/N 127073E Revision “A” Page 31 of 37 5.8.4 Install second spherical washer (1-40) over threaded end of extension rod assembly (1-50). NOTE: The spherical side of the washer will go on the extension rod assembly facing the head of the extension rod assembly.
  • Page 33 Bettis P/N 127073E Revision “A” Page 32 of 37 CONTINUED - MODULE WEIGHTS BY ITEM NUMBER AND ACTUATOR HOUSING SIZE ITEM MODULE DESCRIPTION Lbs. 16” Dia. Power Lbs. 20” Dia. Power Lbs. 24” Dia. Power Lbs. 1225 1120 28” Dia. Power Lbs.
  • Page 34 Bettis P/N 127073E Revision “A” Page 33 of 37 G01 TOOL STYLE AND WRENCH SIZE ITEM WRENCH ITEM LOCATION OR RECOMMENDED SIZE DESCRIPTION TOOL STYLE 1-110 9/16” Hex Cap Screws Socket 1-160 ½ ” Hex Cap Screws Socket 1-180 3/8” Sq.
  • Page 35 Bettis P/N 127073E Revision “A” Page 34 of 37 G3 TOOL STYLE AND WRENCH SIZE ITEM WRENCH ITEM LOCATION OR RECOMMENDED SIZE DESCRIPTION TOOL STYLE 1-110 9/16” Hex Cap Screws Socket 1-160 9/16” Hex Cap Screws Socket 1-180 1/2” Sq.
  • Page 36 Bettis P/N 127073E Revision “A” Page 35 of 37 G5 TOOL STYLE AND WRENCH SIZE ITEM WRENCH ITEM LOCATION OR RECOMMENDED SIZE DESCRIPTION TOOL STYLE 1-110 3/4” Hex Cap Screws Socket 1-120 3/4” Hex Cap Screws Socket 1-160 9/16” Hex Cap Screws...
  • Page 37 Bettis P/N 127073E Revision “A” Page 36 of 37 G8 TOOL STYLE AND WRENCH SIZE ITEM WRENCH ITEM LOCATION OR RECOMMENDED SIZE DESCRIPTION TOOL STYLE 1-110 3/4” Hex Cap Screws Socket 1-120 3/4” Hex Cap Screws Socket 1-160 9/16” Hex Cap Screws...
  • Page 38 Bettis P/N 127073E Revision “A” Page 37 of 37 DATE BY * DATE Released December 2001 COMPILED B. Cornelius 17 December 2001 CHECKED B. Cornelius 17 December 2001 APPROVED R. Smith 17 December 2001 * Signatures on file Bettis, Waller, Texas...
  • Page 50 BETTIS M11 MANUAL HYDRAULIC OVERRIDE SYSTEM OPERATING INSTRUCTIONS “HD”, “T”, AND “G” SERIES PNEUMATIC AND HYDRAULIC ACTUATORS PART NUMBER: 126858 REVISION: "F" RELEASE DATE: 18 September 2007...
  • Page 51 DATE 19291 26 Oct 06 COMPILED L.Ramirez 18 April 2007 19330 17 Nov 06 CHECKED C. Ross 18 April 2007 19562 18 April 2007 APPROVED D. McGee 18 April 2007 * Signatures on file Bettis Actuator & Controls, Waller, Texas...
  • Page 52 PAGE General M11 Service Information Definitions General Safety Information Fluid Requirements Bettis Reference Materials SECTION 2.0 – GENERAL OPERATION INFORMATION Actuator Power Operation Actuator M11 Manual Hydraulic Operation SECTION 3.0 - M11 SYSTEM FILLING INSTRUCTIONS Double Acting Actuator M11 System fluid Filling Spring Return Actuator M11 System fluid Filling SECTION 4.0 - M11 DISASSEMBLY INSTRUCTIONS...

  • Page 53: Section 1.0 - Introduction Page

    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: The M11 fluid reservoir is required because of the hydraulic cylinder differential, which is due to the inboard piston rod displacement.

  • Page 54: Fluid Requirements

    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...

  • Page 55: Section 3.0 - M11 System Filling Instructions

    Bettis P/N 126858 Revision "F" Page 3 of 15 2.2.2 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.
  • Page 56 Bettis P/N 126858 Revision "F" Page 4 of 15 3.1.2.2 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 Series Actuators remove pipe plugs from the top area located on the outer and inner end of the hydraulic override cylinder.
  • Page 57 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.
  • Page 58 Bettis P/N 126858 Revision "F" Page 6 of 15 3.2.1.1.2 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.
  • Page 59 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 G-Series – Remove one pipe plug from the spring cartridge hydraulic override outer end cap. 3.2.2.2.2 HD and T Series – Remove the pipe plugs from the actuator hydraulic override cylinder outer and inner end.

  • Page 60: Section 4.0 - M11 Disassembly Instructions

    Bettis P/N 126858 Revision "F" Page 8 of 15 SECTION 4 - M11 DISASSEMBLY INSTRUCTIONS M11 PRESSURE RELEASE INSTRUCTIONS NOTE: Shut off and exhaust the operating media from both sides of the actuator’s power cylinder. 4.1.1 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).

  • Page 61: M11 Pump Disassembly Instructions

    Bettis P/N 126858 Revision "F" Page 9 of 15 4.2.9 If required for replacement or maintenance remove check valve (10-120) from pipe tee (10-50). 4.2.10 Remove elbow (10-90), pipe tee (10-50), and pipe nipple (10-40). 4.2.11 Remove Thread Seal (10-80) and washer (10-75) from upper end cap (10-10).
  • Page 62 Bettis P/N 126858 Revision "F" Page 10 of 15 4.3.10 Remove the M11 pump assembly from the M11 mounting bracket (30-90). 4.3.11 Refer to assembly drawing sheet 2. Remove four cap screws (20-110) from pump cover (20-20). NOTE: 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).

  • Page 63: Section 5.0 - M11 Reassembly Instructions

    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.

  • Page 64: M11 Pump Reassembly Instructions

    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 assembly (10-30).
  • Page 65 Bettis P/N 126858 Revision "F" Page 13 of 15 5.3.5 Install one o-ring plug (20-270) into the side of manifold block (20-10). 5.3.6 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.
  • Page 66 Bettis P/N 126858 Revision "F" Page 14 of 15 5.3.25 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.

This manual is also suitable for:

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