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D10031

1X012

   

   

Introduction

1

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Scope of Manual

1

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Description

2

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Specifications

2

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Maximum Pressure Limitations

3

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Installation

3

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Actuator Mounting

3

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Loading Connection

4

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Adjustments

4

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Travel

4

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Spring

4

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Size 80 Actuator Spring

4

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Size 100 Actuator Spring

5

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Maintenance

5

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Size 80 Actuator Maintenance

6

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Disassembly

6

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Assembly

7

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Size 100 Actuator Maintenance

9

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For Actuators without the Top-Loaded Option

9

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For Actuators with the Top-Loaded Option

12

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Size 80 Side-Mounted Handwheel

14

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Disassembly

14

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Assembly

14

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Size 80 Hydraulic Snubber

15

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Size 100 Top-Mounted Handwheel

15

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Disassembly

16

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Assembly

16

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Parts Ordering

16

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Parts Kits

16

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Parts List

17

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Scope of Manual

This instruction manual provides information on instal-
lation, adjustment, maintenance, and parts ordering for

Figure 1. Size 80 Type 667 Actuator

W1950 / IL

the Type 667 actuator in sizes 80 and 100 (figure 1).
Refer to separate instruction manuals for information
about other equipment and accessories used with
these actuators.

Only personnel qualified through training or experience
should install, operate, and maintain a Type 667 ac-
tuator. If you have any questions about these instruc-
tions, contact your Fisher Controls sales office or
sales representative before proceeding.

Instruction Manual
Form 1432
April 1998

Type 667 Sizes 80 & 100

Summary of Contents for Fisher Type 667 size 100

Page 1: ...p Mounted Handwheel 15 Disassembly 16 Assembly 16 Parts Ordering 16 Parts Kits 16 Parts List 17 Scope of Manual This instruction manual provides information on instal lation adjustment maintenance and parts ordering for Figure 1 Size 80 Type 667 Actuator W1950 IL the Type 667 actuator in sizes 80 and 100 figure 1 Refer to separate instruction manuals for information about other equipment and acces...

Page 2: ... excess pressure added when the actuator is against the stop must not exceed these values 6 This maximum casing pressure is not to be used for normal operating pressure Its purpose is to allow for typical regulator supply settings and or relief valve tolerances Description The Type 667 actuator is a reverse acting actuator Reverse acting actuators use air action to lift the dia phragm away from th...

Page 3: ...the maximum stroking pressure added to the maximum excess pres sure For other actuator sizes the value is lower than the sum of the two pressures When an actuator and valve body are shipped togeth er the actuator is normally mounted on the valve Fol low the valve body instructions when installing the control valve in the pipeline If the actuator is shipped separately or if it is necessary to mount...

Page 4: ...e plug off the seat reducing the chance of damaging the valve plug or seat during adjustments 1 Back the stem jam nuts key 69 figures 6 and 7 away from the stem connector key 31 figures 6 and 7 and slightly loosen the stem connector cap screws CAUTION Do not use wrenches or other tools di rectly on the valve stem Damage to the stem surface and subsequent damage to the valve packing may result 2 Ti...

Page 5: ... plus valve travel whichever is less 3 Whenever the total amount of adjustment required is greater than valve travel the adjustment must be made in two or more steps and the amount of adjust ment taken in each step must be less than valve travel Figure 3 Dimension B for Spring Adjustment 50A2627 C A1007 1 IL SPRING SEAT ADJUSTING NUT JAM NUT B 4 Pressure the actuator to attain full travel Cautious...

Page 6: ...ey 31 when spring force is applied 5 If necessary the entire actuator assembly may be removed from the valve body by unscrewing the cap screws from the stem connector key 31 and remov ing actuator to bonnet bolting 6 Unscrew diaphragm casing cap screws and nuts keys 13 and 14 and lift off upper diaphragm casing key 1 7 Unscrew diaphragm cap screw key 12 remove spacer upper diaphragm plate diaphrag...

Page 7: ...s used to stem and piston assembly 7 For actuators without a snubber install seal bushing key 7 into the spring case adaptor key 89 followed by the snap ring key 72 Replace seal bush ing O rings keys 8 and 9 as required 8 Coat gasket key 70 with lubricant key 237 or equivalent Position the lower diaphragm casing key 64 on the spring case adaptor and secure with cap screws key 30 9 Mount the lower ...

Page 8: ...PLATE KEY 4 DIAPHRAGM KEY 3 LOWER DIAPHRAGM PLATE KEY 71 TRAVEL STOP KEY 84 PIPE BUSHING KEY 78 CAP SCREW KEY 12 50A8597 D 50A8599 C C0772 IL 16 Once completed no more tightening is recom mended 17 For size 80 actuators without a manual operator slide the following parts over the bottom of the stem yoke bushing holder key 250 two split yoke bushings key 249 and yoke bushing retainer key 251 Se cur...

Page 9: ...ed to de crease high spring compression Loosen jam nut key 26 and rotate adjusting nut key 25 until spring compression is relieved 3 Remove the pressure tubing or piping from the top of the diaphragm casing 4 For actuators with top mounted handwheel see figure 9 rotate handwheel key 58 clockwise as far as it will go unscrew cap screws key 54 and remove gear case cover key 53 Remove travel stop cap...

Page 10: ... CAP SCREW KEY 12 HEX NUT KEY 24 HEX NUT KEY 241 WASHER KEY 37 O RING KEY 240 SEAL BUSHING RETAINER KEY 10 O RING KEY 9 SEAL BUSHING KEY 7 O RING KEY 8 TRAVEL STOP KEY 12 HEX NUT KEY 24 HEX NUT KEY 241 WASHER KEY 37 BACK UP PLATE KEY 6 DIAPHRAGM PLATE KEY 4 O RING KEY 240 BACK UP PLATE KEY 6 UPPER DIAPHRAGM CASING KEY 1 DIAPHRAGM RETAINER KEY 5 CAP SCREW KEY 13 DIAPHRAGM KEY 3 CASE ADAPTOR KEY 245...

Page 11: ...four hex nuts 5 Lubricate seal bushing O rings keys 8 and 9 and the seal bushing key 7 with Lubriplate MAG 1 or equivalent lubricant Install seal bushing O rings seal bushing and seal bushing retainer keys 8 9 7 and 10 and secure with cap screws key 11 6 Install diaphragm backup plate diaphragm retainer diaphragm upper diaphragm plate and washer keys 6 5 3 4 and 37 on the actuator stem key 144 Not...

Page 12: ...y 4 with O ring key 240 diaphragm key 3 diaphragm retainer key 5 and backup plate key 6 5 Unscrew six cap screws key 11 and remove seal bushing retainer key 10 Remove seal bushing key 7 Remove and replace seal bushing O rings keys 8 and 9 as necessary WARNING To avoid personal injury due to the sud den uncontrolled movement of parts do not loosen the four hex nuts on the lower diaphragm casing whe...

Page 13: ...ragm casing bolts are tightened to the proper load to prevent leakage but not crush the material Perform the fol lowing tightening sequence with a manual torque wrench for size 80 and 100 actuators Note Do not use lubricant on these bolts and nuts Fasteners must be clean and dry CAUTION Overtightening the cap screws key 13 can damage the diaphragm Do not ex ceed 50 lbfSft 68 NSm torque 8 Tighten t...

Page 14: ... plug stem Size 80 Side Mounted Handwheel The side mounted handwheel assembly figure 8 is normally used as a manual operator The handwheel can be mounted in either of two position orientations so that regardless of valve plug action counterclock wise rotation always opens the valve The assembly is a continuously connected type with an indicator to show neutral position By rotating the handwheel aw...

Page 15: ...e key 134 9 Install the retaining flange key 134 so that the key engages the slot in the lower sleeve Secure retaining flange with cap screws key 136 10 Adjust set screws key 121 to eliminate free play in the bearings Note Overtightening the set screws will make handwheel operation difficult 11 Coat the spring adjustor key 74 threads with Lu briplate MAG 1 lubricant and install it over lower sleev...

Page 16: ...ing into the back worm retainer key 48 2 Thread the back worm retainer and ball bearing into the gear case Align the slot in the worm retainer with the set screw hole in the gear case insert set screw key 52 and tighten 3 Coat the worm shaft key 51 threads with Lubri plate MAG 1 or equivalent lubricant and slide the shaft into the gear case so that the end of the shaft fits snugly in the back worm...

Page 17: ...scription Part Number 12 Cap Screw steel Size 80 3 4 to 1 inch travel 19 to 25 mm 1R412031192 1 1 8 inch travel 29 mm 1R411931192 1 1 2 inch travel 38 mm 1R411831192 2 inch travel 50 mm 1R4112X0012 2 1 2 inch travel 64 mm 1R5634X0012 2 3 4 inch travel 70 mm 1A5248X0012 3 inch travel 76 mm 1D2694X0012 Cast iron casing mtd upstop style 13 1D2694X0012 Size 100 2 in 51 mm travel 10A2614X012 3 in 76 mm...

Page 18: ...ndwheel 2 req d Size 80 1A343128982 Size 100 1J669928982 W handwheel Size 80 4 req d 1A343128982 Size 100 8 req d 1J669928982 34 Travel Indicator stainless steel Size 80 1H736438992 Size 100 10A2574X012 Key Description Part Number 35 Cap Screw cr pl steel Size 100 only 2 req d 1B848024052 37 Washer 416 stainless steel Size 100 only 10A2607X012 39 Nameplate stainless steel 12B6508X0A2 40 Drive Scre...

Page 19: ...92 85 Spring Case Size 80 only Cast iron 3J833919042 Steel 3L448322012 Key Description Part Number 86 Thrust Bearing Size 80 1H733128992 Size 100 10A2619X012 87 Cover Band Ass y steel Size 80 only 1H7338000A2 88 Cap Screw pl steel Size 80 6 req d W o side mtd handwheel 1H735132982 W side mtd handwheel 1H734932992 89 Spring Case Adaptor size 80 W o hydraulic snubber Cast iron 3H744319042 Steel 3L52...

Page 20: ...Type 667 Sizes 80 100 20 Figure 7 Size 100 Type 667 Actuator NOTES THIS PART IS LOCATED 90_ TO FRONT OF POSITION SHOWN 2 KEYS 243 AND 244 ARE NOT SHOWN 1 APPLY LUB 50A2623 F DOC 56A9820 B DOC ...

Page 21: ... iron 0W012819042 134 Retaining Flange steel 2H733725012 135 Travel Stop Nut steel 1H734224092 136 Cap Screw pl steel 2 req d 1H734732992 137 Set Screw steel 4 req d 1A710328992 138 Cap Screw cr pl steel 6 req d 1H2151X0012 139 Travel Stop Scale stainless steel 3 4 in 19 mm travel 1H745238982 1 in 25 mm travel 1H745338992 1 1 8 in 29 mm travel 1H745338992 1 1 2 in 38 mm travel 1H745438992 2 in 51 ...

Page 22: ...Type 667 Sizes 80 100 22 Figure 8 Size 80 Type 667 Actuator with Side Mounted Handwheel and Hydraulic Snubber B B VIEW A APPLY LUB SEALANT 50A8759 C DOC ...

Page 23: ...less steel 2 req d 1P351135232 105 Hex Nut pl steel 2 req d 1A353724122 106 Cap Screw steel 12 req d 1A771132982 107 O Ring nitrile 1H972406992 Key Description Part Number 108 Hydraulic fluid 2 gal 7 6L not furnished with actuator 1L1572X0012 109 O Ring nitrile 2 req d 1E591406992 110 Orifice brass 2 req d 1P351514012 111 Bypass Check Valve Plug brass 2 req d 1P351614012 112 Spring 302 stainless s...

Page 24: ...158 USA Cernay 68700 France Sao Paulo 05424 Brazil Singapore 128461 Printed in U S A EFisher Controls International Inc 1973 1998 All Rights Reserved Fisher Fisher Rosemount and Managing The Process Better are marks owned by Fisher Controls International Inc or Fisher Rosemount Systems Inc All other marks are the property of their respective owners ...

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