Bray 98 Series - User Manual

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REVISIONS

REV.

ERN#

1 154983

SERIES 98 & 98H

SCOTCH YOKE ACTUATOR

Installation, Operation and Maintenance Manual

BRAY.COM THE HIGH PERFORMANCE COMPANY

Main Page

Default Chapter2
- Table of Contents2
1 Definition of Terms5
- Hazard-Free Use5
2 Introduction5
- Storage6
3 Installation6
4 Operation Guidelines7
5 Assembly Drawing and Materials of Construction8
- Spring Return Pneumatic Actuator Assembly Drawing and Materials of Construction8
- Spring Return Hydraulic Actuator Assembly Drawing and Materials of Construction10
6 Maintenance12
- Lubricants and Maintenance Consumables12
- Disassembly, Service & Reassembly of Modules12
- Spring Module12
  - Removing the Spring Module12
  - Service & Reassembly of the Spring Module13
- Pressure Module14
- Torque Module18
  - Disassembling the Torque Module18
  - Service & Reassembly of the Torque Module18
- Reassembly of Actuator19
7 Field Conversions20
- Fail Safe Condition (for Spring Return Actuators)20
- Double Acting to Spring Return20
- Spring Return to Double Acting20
8 Assembly and Materials of Construction - Double Acting Single Cylinder22
- Pneumatic Actuator - Double Acting, Single Cylinder Assembly and Materials of Construction22
- Hydraulic Actuator - Double Acting, Single Cylinder Assembly and Materials of Construction24
9 Assembly and Materials of Construction - Double Acting Dual Cylinder26
- Pneumatic Actuator - Double Acting, Dual Cylinder Assembly and Materials of Construction26
- Hydraulic Actuator - Double Acting, Dual Cylinder Assembly and Materials of Construction28
10 Bolting Torques and Tools30
- S98 Pneumatic Pressure Module30
- S98H Hydraulic Pressure Module30
- Torque Module31
- Spring Module31
- Actuator Assembly31
11 Technical Data32
- S98 Double Acting Pneumatic Actuators32
- S98H Double Acting Hydraulic Actuators34
- S98 Spring Return Pneumatic Actuators36
- S98H Spring Return Hydraulic Actuators40
12 Module Weights44
- Correct Valve Lifting / Strapping45
13 Series 98 PNEUMATIC Dimensions46
- Series 98 HYDRAULIC Dimensions47
  - Series 98/98H Dimensions - Bolting Pattern48
  - Valve Stem Interface Dimensions48
14 Series 98/98H General Specifications and Features49
- Series 98 Seal Kits and Repair Kits50
- Series 98H Seal Kits and Repair Kits52
15 Hydraulic Override on S98 PNEUMATIC ACTUATORS54
- Installation54
  - Installing Hydraulic Override on Spring Return Actuators54
  - Operation - Spring Return Hydraulic Override55
- Installing Hydraulic Override on da Actuator55
  - Operation - da Hydraulic Override56
- Maintenance of Hydraulic Override56
- Override Cylinder56
  - Servicing Hydraulic Cylinder57
- Servicing Hand Pump Unit57
16 Jackscrew Override58
- Installation58
  - Installing da Jackscrew Override58
  - Operating da Jackscrew Override59
- Installing SR Jackscrew Override60
  - Operating SR Jackscrew Override60
17 Extended Stoppers61
- Installation61
  - Installing Extended Stopper for Torque Module61
  - Adjusting Extended Stopper62
- Installing Extended Stopper for Spring Module62
18 Hydraulic Damper63
- Installing the Hydraulic Damper on a da Actuator63
- Installing the Hydraulic Damper on SR Actuator65
19 Partial Stroke Test & Locking Device68
- Installing PST &LD on a Standard da Actuator68
- Configuring as a Locking Device to Lock at CW End69
- Configuring as Locking Device at CCW End71
- Configuring as a Partial Stroke Test Device at CCW End73
- Configuring as a Partial Stroke Test Device at CW End73
- Installing PST & LD Module on a Standard SR Actuator74
- Configuring as a Locking Device to Lock at CW End76
- Configuring as Locking Device at CCW End77
- Configuring as a Partial Stroke Test Device at CCW End79
- Configuring as a Partial Stroke Test Device at CW End79
20 Appendix80
- Special Requirements for Actuators in Extended Temperature Service80
  - Torque Module80
  - Spring Module80
21 Reference Drawings81
22 Trouble Shooting Potential Problems82

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Bray 98 Series Specifications

General

Brand	Bray
Model	98 Series
Category	Controller
Language	English

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