Instruction Manual

All information herein is proprietary and conﬁdential and may not be copied or reproduced without the expressed written consent of

BRAY INTERNATIONAL, Inc. The technical data herein is for general information only. Product suitability should be based solely upon customer’s

detailed knowledge and experience with their application.

S98 O & M : 35

Series 98 Operation & Maintenance

17.1.2 Adjusting Extended Stopper

Connect air supply to the rod end side port of the pneumatic cyl-

inder, adjust the extended stopper screw to required position, and

reverse the actuator direction to stop movement by the extended

         

position.

NOTICE

The Extended Stopper is not designed as a jackscrew. Do not

use this to manually override the actuator. Always adjust the

stopper with no load on it.

WARNING

Never remove the assembly fasteners without ﬁrst backing off the

Extended Stopper fully to release any load on it.

17.2 Installing Extended Stopper for Spring

Module

4HIS%XTENDED3TOPPERMODULEISINSTALLEDONLYON3PRING2ETURN

ACTUATORS

 $ISCONNECT AIR PRESSURE AND ANY ELECTRICAL POWER FROM

ACTUATOR

 2EMOVETHEENDCOVERPLATEONTHE3PRING-ODULE

 4HREADINANDTIGHTENTHESTUDSFROMTHEMOUNTINGKITINTO

THE3PRING-ODULETHRUSTBASE5SETHREADLOCK,OCTITE

OREQUIVALENT,OCATETHEENDCOVER/RINGINTHEGROOVE

 "ACKOFFTHESTOPPERBOLTANDMOUNTTHE%XTENDED3TOPPER

ASSEMBLYONTHE3PRING-ODULEENDPLATE

 4IGHTEN THE NUTS WITH SPRING WASHERS REFER TO BOLT TORQUE

TABLEFORTHENUTSIZE

17.2.1 Adjusting Extended Stopper

 #ONNECT AIR SUPPLY TO THE ROD END SIDE !DAPTOR PORT OF

THEPNEUMATICCYLINDERTIGHTENTHEEXTENDEDSTOPPERSCREW

TO APPROXIMATELY REQUIREDPOSITION 2ELEASE AIR SO THAT THE

ACTUATORWILLREVERSEDIRECTIONBYTHESPRINGACTIONANDSTOP

AGAINSTTHEEXTENDEDSTOPPER2EPEATTOGETTOlNALPOSITION