MOD L10: Replacement Procedure
Linear ActCont ER 2-Way Gas
05-03-11
Linear Actuator Control – Electric Remote
2-Way
Replacement Procedure on a Linear Actuator with a System
using Power Gas
MOD L10: Replacement Procedure
Linear ActCont ER 2Way Gas
05-03-11
The purpose of this procedure is to guide the replacement of an Actuator Control with standard
features.
This procedure is to be used in conjunction with the following Maintenance and Service
Manuals.
Shafer Linear Actuator Installation and Service Manual Bulletin LSM-01102001
*Schematic Diagram 5043-S-SPECIAL
*Numbers in this document contained in [ ] will correspond to the Item Numbers on Schematic
Drawing 5043-S and 5043-S-Special
NOTE: With pressure in the pipeline, installation should be done with the valve in the OPEN
position. With no pressure in the pipeline, installation should be done with the valve in
the CLOSE position.
WARNING: 1. Turn power gas off (bleed down the power storage tank if applicable).
Remove the Old Control Box and Hand Pump
1. Remove the piping to the power port and exhaust port (if existing) of the old control block.
2. Remove the two gas tube lines (OPEN and CLOSE) running from the control block to the
top or side of the gas hydraulic tanks.
3. Remove the tube line going from the power storage tank to the control block, if applicable.
4. This should complete the pipe/tube connections freeing the old control box. Remove the
old control box and set the parts aside.
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MOD L10: Replacement Procedure
Linear ActCont ER 2Way Gas
05-03-11
Figure 1: Install New Control
Install the New Control Box Assy.
The new control box mounts to the same holes in the bracket on the Actuator, as the old one,
using 4" long standoffs. Look the new hardware over to enable identification of the parts.
1. Install the four standoffs to the mounting bracket. (See Figure 1)
2. Fasten Control with nuts and lock washers. (See Figure 1)
3. Assemble the dipsticks to the new Diffuser Assemblies. Apply an appropriate pipe
sealant and install the Diffuser Assemblies in the top ports of the gas hydraulic tanks.
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MOD L10: Replacement Procedure
Linear ActCont ER 2Way Gas
05-03-11
Figure 2: View of the New Control from the Back
4. Install new Swagelok® fittings in the back of the Control, top of the Gas Hydraulic
Tanks, and Power Storage. Apply Teflon®– tape and an appropriate pipe sealant to the
threads. (See Figures 2 and 3)
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MOD L10: Replacement Procedure
Linear ActCont ER 2Way Gas
05-03-11
Figure 3: View of the New Control from the Front
5. Run 1/2" tube line from the Close port, on the back of the Control, to the top of the
Close Tank [2]. (See Figure 2)
6. Run 1/2" tube line from the Open port, on the back of the Control, to the top of the Open
Tank [1]. (See Figure 2)
7. Run 1/2" tube line from the power port, on the back of the Control, to the Power Storage
Tank [27], if applicable. (See Figure 2)
8. Re-plumb the customer pilot connection, power connection and re-plumb the exhaust,
or install muffler, on the poppet block control valve.
9. Check the oil level in the gas hydraulic tanks.
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MOD L10: Replacement Procedure
MOD L10: Replacement Procedure
Linear ActCont ER 2Way Gas with Linebreak
Linear ActCont ER 2Way Gas with Linebreak
05-03-1
05-03-11
Page 5
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MOD L10: Replacement Procedure
Linear ActCont ER 2Way Gas with Linebreak
05-03-11
If any further information is required, please feel free to contact:
EMERSON PROCESS MANAGEMENT VALVE AUTOMATION, INC.
2500 Park Avenue West
Mansfield, Ohio 44906
Phone: (419) 529-4311
Fax
(419) 529-3688
Please visit our website for up to date product data. www.shafervalve.com
All Rights Reserved
The contents of this publication are presented for informational purpose only, and while every effort has been made to ensure their accuracy,
they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or
applicability. We reserve the right to modify or improve the designs or specifications of such products at any time with out notice.
Trademarks owned by other companies that are referred to in our product literature include: Swagelok® and Teflon®
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