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Tri-Clover 741 Series, Service & Installation Manual

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Tri-Clover 741 Series Service & Installation Manual Download Page 29

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Summary of Contents for 741 Series

Page 1: ...761VSM Tri Clover Air Actuated Valves Series 741 761 762 771 Service Installation Manual ...

Page 2: ...learn how to service these valves Failure to do so could result in personal injury or equipment damage SAFETY IMPORTANT SAFETY INFORMATION 3 INTRODUCTION ABOUT THIS MANUAL 4 MAINTENANCE VALVE DISASSEMBLY 5 VALVE DISASSEMBLY 6 VALVE COMPONENT INSPECTION 7 VALVE ASSEMBLY 8 TR STEM SEATASSEMBLY 10 TYPE 10 20 AND 30 ACTUATORS 11 TYPE 80 ACTUATOR 13 TYPE 15 AND 25 ACTUATOR 15 PARTS LIST 761 741 SHUT OF...

Page 3: ...ct Immediately replace any label that is missing WARNING SPRING UNDER LOAD DO NOT ATTEMPT TO CUT ACTUATOR OPEN REFER TO SERVICE BULLETIN Part Number 38 228 WARNING HAZARDOUS VOLTAGE DISCONNECT POWER BEFORE SERVICING Part Number 38 294 WARNING SPRING UNDER LOAD ACTUATOR CYLINDER MAY EJECT WITH SUFFICIENT FORCE TO CAUSE SERIOUS INJURY REMOVE ACTUATOR FROM VALVE BEFORE DISASSEMBLING ACTUATOR REFER TO...

Page 4: ...trol valve Refer to the Control Housings Service Manual CTASM for more information on maintenance and components of the control top module IMPORTANT Throughout this manual instructions for all valves have been grouped by body type Refer below to find your valve body type before continuing to any of the following sections INTRODUCTION SERIES 761 741 771 VALVES Shut Off 10 30 90 Divert Reverse Actin...

Page 5: ... 761 7601 These filters and other components can be installed downline from the compressor as well as on control panels to help minimize the problem by further cleaning the air before it gets to your valves and system components Filter elements should be changed at least once a year as part of your normal plant maintenance program IMPORTANT Use only C 137 Thread Lubricant and OCP VI Seal Lubricant...

Page 6: ...OFF Separate bonnet from yoke by removing three bolts Remove split bushing and o ring from valve bonnet DIVERT Separate upper valve body from yoke by removing three bolts Remove split bushing washer and o ring from upper body ELBOW Separate elbow valve body from yoke by removing three bolts Remove split bushing sleeve and o ring from body Separate yoke from actuator by removing four bolts Remove g...

Page 7: ...ng tearing checking or excessive wear Note Refer to the TR Seat Replacement section for installation of TR Seats Inspect stem finish for galling nicks or scratches Leakage may result from these irregularities 3 SPLIT BUSHING Inspect for signs of cracks nicks scratches or excessive wear on inside diameter A worn bushing will not properly align valve stem 3 O RING S Inspect for cuts abrasions flat s...

Page 8: ...counter bore above air port on yoke Place green bearing retainer into bottom of actuator Place actuator onto yoke Align yoke air port with unthreaded thru hole in actuator Fasten with four bolts and lock washers MAINTENANCE CAUTION To prevent personal injury keep hands and tools out of and away from valve bodies and stems when applying or releasing air to an actuator The actuator stem assembly mov...

Page 9: ...ion TYPE 10 20 30 Actuator MAINTENANCE Shut Off Divert Elbow DIVERT AND ELBOW Apply 60psig air to actuator Normally Open Divert and Normally Closed Elbow Valves Only SHUT OFF DIVERT ELBOW KETTLE Push valve stem through bonnet until it meets the actuator stem Partially thread valve stem onto actuator stem by hand until nylon lock resistance is felt Apply an open end wrench over the valve stem flats...

Page 10: ...snaps into place 4 Examine seat assembly to be sure each individual tab is secure under the smaller lip portion of the stem Press tabs down with your fingers or a straight edge Holding Stem Seat Assembly in one hand rotate the Snap On Seat For proper CIP cleaning the seat should turn freely on the stem 5 Refer to valve assembly section for reassembly UPPER SEAT OF DIVERT VALVE 1 Place Snap On Seat...

Page 11: ...ormally closed Type 20 actuators Bushing Packing Replacement Bushings guide the actuator stem while packings provide sealing around the stem The bushing and packing should both be replaced if one or the other fails Even if only one end fails both ends of the actuator should be serviced Disconnect and remove actuator completely from valve before proceeding with the steps that follow see Valve Disas...

Page 12: ...ead keeps the valve stem from becoming loose due to vibrations After every disassembly the nylon locking pin must be replaced Punch out the old nylon pin with an 1 8 inch or smaller diameter punch Insert a new nylon locking pin ACTUATOR LUBRICATION For optimum performance lubricate once annually Inject OCP V1 into the unthreaded thru hole in each end of the actuator Roll actuator on a flat surface...

Page 13: ...er Ass y 8 25 454 07 S 1 Retainer 9 17 149 U 2 O Ring 10 25 454 05 316 1 End Cap 11 25 454 10 316 1 Cover Plate 12 LWA1300 SS 4 Lockwasher 13 SC1315H SS 4 Hex Bolt 14 13 170 S 1 Adjusting Nut 15 16 163 1 E Ring 16 25 454 08 1 Adj Nut Cover Type 80 Actuator Replacement Parts Full Mid ADJUSTMENT There is one adjustment and it sets the mid position stop This stop determines the length of mid position...

Page 14: ...ator stem threads with tape to protect the new bushing and packing from damage during assembly See Type 10 20 AND 30 Actuator Maintenance Disassembly 1 Separate adjustment knob and cover plate by removing four bolts 2 Remove E ring and unscrew adjustment nut from actuator stem completely 3 Remove spacer end cap bushing retainer and o ring from actuator Assembly 1 Lubricate o ring with L1011 Sanita...

Page 15: ...tuator 1 Disassemble the actuator from the valve completely 2 Assemble the yoke to the actuator without the green bushing retainer Assemble the valve stem to the actuator stem CAUTION To prevent personal injury DO NOT attempt to remove the packing and bushing without the valve stem threaded onto the actuator stem The stem is required because the packing and bushing will be forced out of the actuat...

Page 16: ...ANCE Figure 2 Figure 1 CAUTION To prevent injury apply constant hand pressure and unscrew completely Spring force will push the cylinder up when threads disengage See Figure 2 4 Pull cylinder assembly off the bonnet and remove spring 5 Separate diaphragm assembly from cylinder by holding cylinder and pulling on actuator stem 6 Place diaphragm assembly into a vise and secure Inner Diaphragm Guide a...

Page 17: ... C137 This will help prevent the threads from galling Place cylinder assembly onto spring To prevent injury compress spring by hand and thread cylinder onto bonnet for at least 3 complete turns Apply a strap wrench to cylinder and tighten until it bottoms onto bonnet CAUTION 8 Remove actuator from vise Insert packing and bushing into counter bores on bonnet 9 Apply Removable Loctite to the fine th...

Page 18: ...cross Tri Clamp 41M Lower cross Upper tee Tri Clamp 43M Lower cross Upper cross Tri Clamp 47M Upper cross Tri Clamp Actuator Types 10L Long stroke normally open 10S Short stroke normally open 20L Long stroke normally closed 20S Short stroke normally closed 30L Long stroke air both ways 30S Short stroke air both ways 80S Mid Position Port Size tube OD 1 11 2 2 21 2 3 4 Material 316L Stainless Steel...

Page 19: ... 04 7 End Cap 25 428 06A 25 428 06A 25 428 06A 25 428 06A 25 428 06A 25 455 06 8 Red Caplug 12 493 12 493 12 493 12 493 12 493 12 493 9 Vent Plug not shown MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP 10 Lockwasher LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS 11 Screw SC1308H SS SC1308H SS SC1308H SS SC1308H SS SC1308H SS SC1309H SS 12 Sc...

Page 20: ...14C 2 20 514C 2 1 2 20 514C 3 20 514C 4 30 Upper Body Tee Not Available 7 1024TM 1 1 2 316L 7 1024TM 2 316L 7 1024TM 2 1 2 316L 7 1024TM 3 316L 7 1024ATM 4 316L 30I Upper Body Tee 741 Not Available 7 1024TMIA 1 1 2 316L 7 1024TMIA 2 316L 7 1024TMIA 2 1 2 316L 7 1024TMIA 3 316L 7 1024ATMI 4 316L 31 Upper Body Cross Not Available 7 1024CM 1 1 2 316L 7 1024CM 2 316L 7 1024CM 2 1 2 316L 7 1024CM 3 316...

Page 21: ...e Port Connection 10M Lower tee Tri Clamp 21M Lower tee Upper tee Tri Clamp 27M Upper tee Tri Clamp 30M Lower cross Tri Clamp Actuator Types 10 Normally open 20 Normally closed 15 Diaphragm normally open 25 Diaphragm normally closed 80 Mid Position short stroke only Port Size tube OD 1 11 2 2 21 2 3 4 Material 316L Stainless Steel M designated standard Tri Clamp port connection Other port connecti...

Page 22: ...25 428 06A 25 428 06A 25 428 06A 25 428 06A 25 455 06 8 Red Caplug 12 493 12 493 12 493 12 493 12 493 12 493 9 Vent Plug Not Shown MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP 10 Lockwasher LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS 11 Screw SC1308H SS SC1308H SS SC1308H SS SC1308H SS SC1308H SS SC1309H SS 12 Screw SC1312H SS SC1312H SS...

Page 23: ...6L 7 1024TM 2 1 2 316L 7 1024TM 3 316L 7 1024ATM 4 316L 31 Upper Body Cross Not Available 7 1024CM 1 1 2 316L 7 1024CM 2 316L 7 1024CM 2 1 2 316L 7 1024CM 3 316L 7 1024ACM 4 316L 32 Split Stem Bushing Not Available 40 64 40 64 40 64 40 64 40 75 33 Seal Retaining Washer Not Available 15 171 316L 15 171 316L 15 171 316L 15 171 316L 15 175 316L 34DS Stem Seat Assembly Short 27 Only Not Available 19 1...

Page 24: ...e Port Connection Kettle Valves 29M 90 Elbow Flanged Tri Clamp 31M 90 Elbow Tri Clamp 33M 45 Elbow Flanged Tri Clamp 35M 45 Elbow Tri Clamp Tank Outlet Valves 13M 90 Tee Flanged Tri Clamp 21M 90 Elbow Tri Clamp 22M 90 Offset Front Tri Clamp 57M 90 Elbow Right Offset Tri Clamp 58M 90 Elbow Left Offset Tri Clamp 123M 90 Tee Tri Clamp Tangential Valves 47M 90 Right Hand Outlet Tri Clamp 48M 90 Left H...

Page 25: ...p 25 428 06A 25 428 06A 25 428 06A 25 428 06A 25 455 06 8 Red Caplug 12 493 12 493 12 493 12 493 12 493 9 Vent Plug Not Shown MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP MS 105 58A CP 10 Lockwasher LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS 11 Screw SC1308H SS SC1308H SS SC1308H SS SC1308H SS SC1309H SS 12 Screw SC1312H SS SC1312H SS SC1312H SS SC1312H SS SC1312H SS 13 O Ri...

Page 26: ... Additional Parts for Kettle Tank Outlet Valves Type 21 22 29 31 33 35 57 58 Key Description 2 2 1 2 3 4 27 Rubber Stem Seat Assy 19 1305 2 316L 19 1305 2 1 2 316L 19 1305 3 316L 19 1305A 4 316L 30I Body for 762 21 762 31 7 1046M 2 316L 7 1046M 2 1 2 316L 7 1046M 3 316L 7 1046AM 4 316L 30J Body for 762 22 7 1060M 2 316L 7 1060M 2 1 2 316L 7 1060M 3 316L 7 1060AM 4 316L 30K Body for 762 29 7 1059M ...

Page 27: ... codeing as shown below Sample Valve Part Number 761 90M 20L 2 316L Valve Series 761 Molded rubber seat s 761TR PTFE Snap On seat s Body Style Port Connection 90M Y Body Tri Clamp Actuator Types 10L Long stroke normally open 20L Long stroke normally closed Port Size tube OD 11 2 2 21 2 3 4 Material 316L Stainless Steel M designated standard Tri Clamp port connection Other port connections are avai...

Page 28: ...MS 105 58A CP 10 Lockwasher LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS LWA1300 SS 11 Screw SC1308H SS SC1308H SS SC1308H SS SC1309H SS SC1309H SS 12 Screw SC1312H SS SC1312H SS SC1312H SS SC1312H SS SC1312H SS 13 O Ring 17 17 U 17 17 U 17 17 U 17 17 U 17 89 U 14 O Ring 17 4 U 17 4 U 17 4 U 17 4 U 17 4 U 15 O Ring 17 35 U 17 35 U 17 35 U 17 35 U 17 35 U 16 O Ring 17 109 U 17 109 U 17 109 U 17 109 ...

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Page 31: ...hantability or fitness for a particu lar purpose All claims must be in writing and must be mailed or delivered by purchaser within thirty 30 days after purchaser learns of the facts upon which such claim is based Any claim not made in writing and within the time period specified above shall be deemed waived Purchaser s sole and exclusive remedy and Tri Clover Inc s maximum liability for claims ari...

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