cashco 148D-01 Installation, Operation & Maintenance Manual Download Page 24

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STOP SCREW

AIR SUPPLY REG U LA TOR

73N-B POSITIONER

ITEM

NO.

DESCRIPTION

Feedback Linkage Subassembly

Feedback Linkage Spacer

Feedback Linkage Pivot Shaft

101

Positioner

102

Range

Spring

106

Tube Fittings (Elbow)

107

Output

Tube

108

Name

Plate

SOLENOID VALVE

ITEM

NO.

DESCRIPTION

128

Solenoid

Valve

129

Nipple

AIR SUPPLY REGULATOR

ITEM

NO.

DESCRIPTION

130

Air Supply Regulator

131

Mounting

Bracket

132

Supply

Tube

GUAGES

(Not Shown)

ITEM

NO.

DESCRIPTION

135

Signal

Guage

137

Output

Gauge

138

Branch

Tee

139

Reducing

Bushing

SOLENOID VALVE

73N-B POSITIONER

Cashco, Inc.
P.O. Box 6
Ellsworth, KS 67439-0006
PH (785) 472-4461
Fax. # (785) 472-3539
www.cashco.com
email: [email protected]
Printed in U.S.A. 48-IOM

Cashco GmbH
Handwerkerstrasse 15
15366 Hoppegarten, Germany
PH +49 3342 4243135
Fax. No. +49 3342 4243136
www.cashco.com
Email: [email protected]

Cashco do Brasil, Ltda.
Al.Venus, 340
Indaiatuba - Sao Paulo, Brazil
PH +55 11 99677 7177
Fax. No.
www.cashco.com
Email: [email protected]

Summary of Contents for 148D-01

Page 1: ...uired Referencethetechnicalbulletinofthevalvebodythese actuators are unitized with for operating installation selection specifications i e available bench settings strokes etc MODEL 48 SPRING DIAPHRAGM ROTARY ACTUATORS INSTALLATION OPERATION MAINTENANCE MANUAL IOM IOM 48 12 13 SECTION I Figure 1 Model 48 Actuator SECTION II 4 8 R 0 1 Basic Model No 48 in2 size Reverse Action ATO FC Modifier Valve ...

Page 2: ...ntation with any model of Cashco rotary control valve is upwards with the valve in a horizontal pipe andthevalvestemalsohorizontal i e position A for ATO FC or position B for ATC FO 2 Both Ranger QCT and Premier EZO Unlined controlvalveproductsincorporateanextended SECTION III FIGURE 2 Mounting position of Ranger QCT to Model 48 Actuator with Model 73N B P P Positioner FIGURE 3 Mounting position o...

Page 3: ...installing the pipe or tube fitting Exhibit care to prevent the sealant from getting inside the tube pipe 4 Ifanalternategaseousfluidisusedasasource of loading pressure i e natural gas nitrogen etc this gas MUST NOT BE CORROSIVE to the aluminum casing material IV OPERATION A General 1 Actuators supplied with 5 13 psig 0 34 0 90 Barg benchsetrangearedesignedtooperate with or without a positioner A ...

Page 4: ... 148D 02 ATC FO Valve Body Size In DN Actuator Model Failure Action Benchset Range psig Barg Supply Pressure psig Barg Qty of Range Springs 3 4 80 100 48R 01 ATO FC 5 15 34 1 03 20 1 4 6 48D 01 ATC FO 6 150 148R 01 ATO FC 5 13 34 90 20 1 4 4 148D 01 ATC FO 8 200 148R 03 ATO FC 7 5 19 5 52 1 34 27 1 9 6 148D 03 ATC FO 10 250 148R 02 ATO FC 10 26 69 1 79 30 2 1 8 148D 02 ATC FO Valve Body Size In DN...

Page 5: ... 15 and coverplate 13 b Remove cap screw 32 and lock tooth washer 55 securing the bright orange colored travel indicator 16 to the upper end of valve stem Ranger 7 Premier 3 2 using a 7 32 allen key wrench Re movetravelindicator 16 offofprotruding locator pin 51 c If equipped with a Model 73N B P P po sitioner remove the four cap screws 33 that secure the positioner assembly PA to the arm housing ...

Page 6: ...sembly AA over the stem end Ranger 7 Premier 3 2 Lay body assembly BA aside C Changing Actuator Mounting Position With No Change in Failsafe Action 1 Determine the desired mounting position of actuator assembly AA with respect to valve body assembly BA from Figures 6 9 follow ing pages 2 The valve body bonnet 1 to valve body yoke 12 can be rotated in four 90 incre ments around the centerline of th...

Page 7: ...ANGER QCT ACTUATOR MOUNTING POSITIONS WITH MODEL 73 P P POSITIONER NOTES 1 Flangeless valve design indicated integral flanged units follow same orientation 2 Dimension tables are included in the Ranger TB REVERSE ACTION DIRECT ACTION ...

Page 8: ...CTUATOR MOUNTING POSITIONS WITH MODELS 9540R P P or 991 or PS2 I P POSITIONERS NOTES 1 Flangeless valve design indicated integral flanged units follow same orientation 2 Dimension tables are printed in the Ranger TB REVERSE ACTION DIRECT ACTION ...

Page 9: ...tandard for fail open action Position C and D covers vertical piping FIGURE 9 PREMIER ACTUATOR MOUNTING POSITIONS 9540R 991 PS2 Position A is standard for fail closed action Position B is standard for fail open action Position C and D covers vertical piping Note All basic valve dimensions are printed in the Premier TB ...

Page 10: ...removing actuator assembly AA frombodyassembly BA androtating actuator AA 180 about the actuator s stem linkage 8 9 10 43 44 See Figure 10 and Figure 11 b Rotatingplug Ranger 6 ordisc Premier 3 1 by 90 ie from closed position to open position or vice versa c Reconnecting actuator AA to body BA with lever arms 5 also rotated 180 NOTE ValvestemalwaysgoesCWto close viewed from stem end 4 Separate the...

Page 11: ...e being pushed apart until the extension bolting 28 42 is disengaged and removed 7 Lift the upper casing 1 upwards and away from the lower casing 2 Set upper casing 1 aside 8 Remove pivot screw 25 by rotating CCW viewed from above and seal 56 9 Pry diaphragm washer 52 loose Clean washer 52 of any rubberized sealant 10 Prior to diaphragm 6 removal inspect to see where a diaphragm 6 leak may have be...

Page 12: ...oengageitscompanionexten sion nut 42 Place a friction reducing thread lubricant on the lower exposed threads of the extension bolts 28 21 Place the same friction reducing thread lubri cantintothethreadedportionofbothextension nuts 42 NOTE Only one end of extension nut 42 is threaded It is not possible to en gage the extension bolting 28 42 with the extension nut 42 upside down the threads of the n...

Page 13: ...protrudes through the gland s 67 upper side place a new threadseal washer 61 over the stem s 58 2 upper end Continue engaging stem 58 2 until the O ring 63 is pulled into the gland 67 21 Install washer 60 and locking lever 59 onto stem 58 2 22 Placehandwheelstem 58 2 intoasoft jawed vise Position handwheel 58 1 onto stem 58 2 with holes for pin 66 aligned Insert pin 66 and drive through stem 58 2 ...

Page 14: ... assembly BA as described in this Section V B 1 through V B 9 3 Push piston 3 downwards by a manual handwheel operator MHWO being rotated CW viewed from above handwheel 58 1 approximatelyone half of full travel b pressurizeactuatortoapproximatelyone half of the stated benchset range i e for 5 15 psig 34 1 03 Barg pressurize to approximately 10 psig 69 Barg Do NOT stick hand or fingers into the arm...

Page 15: ...rce from 1 4 FPT connection 16 Join the actuator assembly AA to the body assembly BA as described in this Section V I I Joining of Body Assembly BA to Actuator Assembly AA 1 Determine proper orientation of actuator AA to body BA for the following consid erations failsafe action installed piping orientation Reference Sub sections V C and V D to see schematics of orientations available 2 Position bo...

Page 16: ...h 73N B P P positioner it will be necessary to swing the feedback linkage subassembly 72 out of the way as the lever arm apparatus 5 50 12 50 5 is pushed into place Center align lever arm apparatus 5 50 12 50 5 transversely within the arm housing 4 directly over stop screw 35 9A For units AA BA with Model 73N B P P po sitioner Place indicator spacer 17 over end of shaft Ranger 7 Premier 3 2 proper...

Page 17: ...with Models 9540R or 991 or PS2 positioners Reference the IOM 9540R or 991 or PS2 IOMs for proper instructions on reinstallation of positioner PA assembly to shaft end SECTION VI VI CALIBRATION A General 1 This section covers calibration of the actuator assembly AA toaRangerQCT PremierEZO or Premier Unlined body assembly BA 2 Positioner if installed requires reference to the specific positioner mo...

Page 18: ...rom engagement with the lever arms 5 by removing shoulder bolt 40 and lock nut 46 It will be necessary to remove stem Ranger 7 Premier 3 2 windup as described in Section V B 4 b Swing the lever arms 5 down against the travel stop screw 35 this opens valve plug 6 disc 3 1 c Loosen lower upstop jam nut 43 from securing upstop washer 54 back nut 43 to the root of its threads on push rod 10 d Theupper...

Page 19: ...ue of benchset range This will extend the actuator stem push rod sub assembly 8 9 10 43 43 43 44 54 downwards to allow loosen ing double jam nuts 43 on top side of uptravel stop washer 54 p Release air pressure down to the lower value of benchset range q Rotatelowerjamnut 43 toraiseuptravel stop washers 54 until the gap clearance between the lower casing 2 and the top side of the washer 54 is 1 8 ...

Page 20: ...viewedfromabove untilupper end of push rod 10 is fully engaged with upperR H rodend 8 NOTE IflowerL H rod end 9 reaches full engagement with lower push rod 10 end first remove tool securing against rotation and allow lower L H rod end 9 to rotate with push rod 10 Once upper end of push rod 10 is fully engaged with upper R H rod end 8 rotate lower L H rod end 9 CW viewed from above until it is full...

Page 21: ...10 by rotating CW viewed from above until the travel is reduced to 90 as shown by the travel indicator 16 r Rotate lower jam nut 43 to raise uptravel stop washers 54 until the gap clearance between the lower casing 2 and the top side of the washer 54 is 1 8 1 16 3mm 1 5mm s Repressurizeactuator AA touppervalue of benchset range Tighten the lower of the two upper jam nuts 43 until it is tight and s...

Page 22: ... revision level for the product PARTS KIT for FIELD REPAIR Contact your local Cashco Inc Sales Represen tative with the Serial Number and Product code Identifythepartsandthequantityrequiredtorepair the unit from the BOM sheet that was provided when unit was originally shipped NOTE Those part numbers that have a quantity indicated under SpareParts incolumn A reflectminimum parts required for inspec...

Page 23: ...ad Stop Screw 36 Fillister Head Machine Screw 37 Fillister Head Machine Screw 38 Drive Screw 40 Bolt Shoulder 41 Nut 42 Extension Nut 43 Jam Nut 44 Jan Nut L H 45 Jam Nut 46 Lock Nut 48 Clevis Pin ITEM NO DESCRIPTION 49 Hairpin 50 Spring Pin 51 Spring Pin 52 Diaphragm Washer 53 Washer 54 Stop Washer 55 Internal Lock Tooth Washer 56 Seal 58 Handwheel Subassembly or Adjusting Screw 59 Locking Lever ...

Page 24: ... Mounting Bracket 132 Supply Tube GUAGES Not Shown ITEM NO DESCRIPTION 135 Signal Guage 137 Output Gauge 138 Branch Tee 139 Reducing Bushing SOLENOID VALVE 73N B POSITIONER Cashco Inc P O Box 6 Ellsworth KS 67439 0006 PH 785 472 4461 Fax 785 472 3539 www cashco com email sales cashco com Printed in U S A 48 IOM Cashco GmbH Handwerkerstrasse 15 15366 Hoppegarten Germany PH 49 3342 4243135 Fax No 49...

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