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Welch Allyn Inc.

Aneroid Sphygmomanometers Service Manual

Revision A

Welch Allyn Inc.

Page 37 of 40

Section 8.6: Silver Ring Hand Aneroid Replacement Parts

The following are the list of replacement parts for the Silver Ring Hand Aneroid Gauge
that can be purchased through Welch Allyn Inc.

Part Number

Description

Part Number

Description

12P368

Adapter

52P1848

Dial

75P240

O-Ring

18P189

Bulb Collar

2P1632

Housing

23P428

Bulb Adapter

33P131

Movement Cup

97S581

Bulb

70P450

Button

11P1240

Spring

7P716

Pivot Pin

42S242

Valve Body

93S720

Movement

8S61

Valve Assembly

22P1455

Washer Silicon

5090-30

Screen Assy/Bulb Adapter

34P434

Crystal

3P847

Bezel

39P505

Trim Ring

63S410

Pointer

Summary of Contents for Tycos

Page 2: ... Allyn Inc Aneroid Sphygmomanometers Service Manual Revision A Welch Allyn Inc Page 2 of 40 Revision History Revision Section Date Author Description A All 8 31 00 JDB Introduction of Aneroid Service Manual ...

Page 3: ...Aneroid Gauge 20 5 1 Opening Removing and Replacing Parts of the Economy Gauge 20 5 2 Calibration of the Economy Gauge 21 5 3 Testing 23 Section 6 Silver Ring Hand Aneroid 24 6 1 Opening Removing and Replacing Parts of the Silver Ring 24 6 2 Calibration of the Silver Ring Hand Aneroid 25 6 3 Testing of the Silver Ring Hand Aneroid 27 Section 7 Pro Check Hand Aneroid 28 7 1 Opening Removing and Rep...

Page 4: ...y from any description herein please contact the Welch Allyn Inc Technical Service Center 800 450 9275 828 684 4895 Fax 828 687 1002 Welch Allyn Inc 95 Old Shoals Road Arden North Carolina 28704 USA This product has been designed to provide a high degree of safety and reliability However Welch Allyn Inc can not guarantee against deterioration of components due to aging normal wear tampering and ab...

Page 5: ... Pocket Screw Cap Assembly T108212 Economy Fixture T107569 Hand Fixture T74555 Pocket Fixture T112655 Top Plate Wrench T113249 Screw Cap Removal Tool T112927 5 16 Open End Wrench T112765 Open End Wrench T34938 Pointer Block T112511B Tweezers T112726 Jewelers Screw Driver T112595 Calibration Tool Silver Ring Disytest Calibration Dial for Pro Check Order From S K T112833 Movement Removal Tool S K Mo...

Page 6: ...s Aneroid Gauge 1 The gauge will be accurate to within 3 mmHg at the following test pressures a 0 mmHg pointer inside the oval rectangle b 60 mmHg c 150 mmHg d 200 mmHg e 300 mmHg This accuracy is based on the use of a calibrated digital pressure meter If using a calibrated aneroid or mercury column for measuring the accuracy of the aneroid in question the resulting accuracy is 6 mmHg ...

Page 7: ...Welch Allyn Inc Aneroid Sphygmomanometers Service Manual Revision A Welch Allyn Inc Page 7 of 40 1 4 Test Equipment Bench Layout 500cc Volume Digital Pressure Meter Gauge Under Test Figure 1 5 ...

Page 8: ... Remove the crystal and aside 3 Remove the pointer by using the pointer removal tool T105243A 4 Pry out the dial by using a small flat head screwdriver 5 Remove the locking nut using the span wrench T107345 6 Remove the screw cap using T113249 and remove the capsule Note the arm of the movement fits into the top of the capsule 7 Remove the 2 screws that are holding down the gauge movement using T1...

Page 9: ...e rotation to the 6 o clock position sector gear should be moving during this step 12 Bring lug back to correct position and lock into place To set the span 13 Place Test Dial onto gauge Place pointer onto pinion Rotate dial until pointer is at 0 at the bottom of the gauge 14 Apply 320 mmHg to the Gauge 15 Release pressure to 300 mmHg to the gauge 16 If point is less than 300 Place the calibration...

Page 10: ...points see section 1 3 24 If pointer is greater than 300 pull pointer until you feel slight resistance counter clock wise tap pointer with small hammer and recheck Make sure pointer returns to the oval each time Repeat until satisfied 25 If less than 300 rotate pointer 1 complete revolution clockwise until resistance is felt Push pointer a little farther and tap pointer with small hammer and reche...

Page 11: ... Release the pressure to 300 mmHg on the digital pressure meter or a calibrated aneroid or mercury gauge Note The aneroid or mercury gauge must be accurate to 3 mmHg at the stated target pressures using a calibrated digital pressure meter If using a calibrated aneroid or mercury column the accuracy must be 6 mmHg 4 Check reading of the pressure meter or gauge to that of the Pocket Gauge under test...

Page 12: ... the dial by using a small flat head screwdriver 6 Remove the cover of the Hand Gauge by unscrewing the two screws 9P2651 with a Phillips head screwdriver 7 Loosen the locking nut 32P527 from the capsule and remove both from the case 8 Remove the 9P1799 screws from the case and movement and remove the movement from the case 9 Remove the Thumbscrew by using tool T113265 Thumbscrew wrench and turnin...

Page 13: ... in position 10 Place tension setting tool T119628 onto pinion at the 9 o clock position 11 Rotate tool clock wise to the 3 o clock position 12 Release sector gear and continue rotation to the 6 o clock position sector gear should be moving during this step 13 Bring lug back to correct position and lock into place To set the span 14 Place Test Dial onto gauge Place pointer onto pinion Rotate dial ...

Page 14: ...en points see section 1 3 24 If pointer is greater than 300 pull pointer until you feel slight resistance counter clock wise tap pointer with small hammer and recheck Make sure pointer returns to the oval each time Repeat until satisfied 25 If less than 300 rotate pointer 1 complete revolution clockwise until resistance is felt Push pointer a little farther and tap pointer with small hammer and re...

Page 15: ... Release the pressure to 300 mmHg on the digital pressure meter or a calibrated aneroid or mercury gauge Note The aneroid or mercury gauge must be accurate to 3 mmHg at the stated target pressures using a calibrated digital pressure meter If using a calibrated aneroid or mercury column the accuracy must be 6 mmHg 4 Check reading of the pressure meter or gauge to that of the Hand Gauge under test R...

Page 16: ... and remove the dial and aside 5 Remove the screws that are holding down the mount to the case of the gauge by using a Phillips head screwdriver Reassemble in reverse order See section 8 3 for exploded view drawing of 7670 Series Wall and Mobile Aneroid Classic Wall and Mobile Aneroid 1 Remove crystal by pushing down and out at the top Set crystal aside 2 Remove pointer by using the pointer remova...

Page 17: ...to the 6 o clock position sector gear should be moving during this step 11 Bring lug back to correct position and lock into place To set the span 12 Place Test Dial onto gauge Place pointer onto pinion Rotate dial until pointer is at 0 at the bottom of the gauge 13 Apply 320 mmHg to the Gauge 14 Release pressure to 300 mmHg to the gauge 15 If point is less than 300 Place calibration tool T106845A ...

Page 18: ...points see section 1 3 23 If pointer is greater than 300 pull pointer until you feel slight resistance counter clock wise tap pointer with small hammer and recheck Make sure pointer returns to the oval each time Repeat until satisfied 24 If less than 300 rotate pointer 1 complete revolution clockwise until resistance is felt Push pointer a little farther and tap pointer with small hammer and reche...

Page 19: ... Release the pressure to 300 mmHg on the digital pressure meter or a calibrated aneroid or mercury gauge Note The aneroid or mercury gauge must be accurate to 3 mmHg at the stated target pressures using a calibrated digital pressure meter If using a calibrated aneroid or mercury column the accuracy must be 6 mmHg 4 Check reading of the pressure meter or gauge to that of the Wall or mobile gauge un...

Page 20: ...river Aside the screws and the clip 2 Remove the Economy cover an d crystal and aside 3 Remove the pointer using the pointer removal tool T105243B Inspect straighten and aside the pointer 4 Pry the dial from the case using a small flat head screwdriver 5 Remove the movement from the case using T108897 and aside 6 Loosen screw from the case using T105258 and remove the capsule Reassemble In reverse...

Page 21: ...tinue rotation to the 6 o clock position sector gear should be moving during this step 12 Bring lug back to correct position and lock into place To set the span 13 Place Test Dial onto gauge Place pointer onto pinion Rotate dial until pointer is at 0 at the bottom of the gauge 14 Apply 320 mmHg to the Gauge 15 Release pressure to 300 mmHg to the gauge 16 If point is less than 300 Place calibration...

Page 22: ...points see section 1 3 24 If pointer is greater than 300 pull pointer until you feel slight resistance counter clock wise tap pointer with small hammer and recheck Make sure pointer returns to the oval each time Repeat until satisfied 25 If less than 300 rotate pointer 1 complete revolution clockwise until resistance is felt Push pointer a little farther and tap pointer with small hammer and reche...

Page 23: ... Release the pressure to 300 mmHg on the digital pressure meter or a calibrated aneroid or mercury gauge Note The aneroid or mercury gauge must be accurate to 3 mmHg at the stated target pressures using a calibrated digital pressure meter If using a calibrated aneroid or mercury column the accuracy must be 6 mmHg 4 Check reading of the pressure meter or gauge to that of the Economy gauge under tes...

Page 24: ...el 3 Place screwdriver under the crystal in the opening provided and lift the crystal 4 Using the T105243A pointer removal tool remove the pointer from the pinion 5 Remove the dial from the housing 6 Remove the movement using T112833 movement removal tool 7 Remove the movement internal housing 8 Remove the valve body trigger module Reassemble in reverse order Ensure you tighten the movement down w...

Page 25: ... Repeat above steps as required to obtain correct span adjustment LINEARITY ADJUSTMENT As required If 0 and 300 position are correct and other points at 250 200 150 100 or 60 are either too high or too low at one or more points then perform the following adjustments HIGH GAGE READINGS Predominantly at 250 and 200 1 Remove test pointer and test dial Obtain calibration tool and position over adjusti...

Page 26: ...operator approx 30 degrees Remove tool and release gear sector Check for gear sector starting position as defined previously adjust if necessary Re assemble test dial and pointer recheck span and adjust as necessary prior to inspection at intermediate points NOTE In all adjustments during calibration the gear sector starting position will affect accuracy Sometimes this alone can be used as an indi...

Page 27: ...g to the gauge 3 Release the pressure to 300 mmHg on the digital pressure meter or a calibrated aneroid or mercury gauge Note The aneroid or mercury gauge must be accurate to 3 mmHg at the stated target pressures using a calibrated digital pressure meter If using a calibrated aneroid or mercury column the accuracy must be 6 mmHg 4 Check reading of the pressure meter or gauge to that of the Silver ...

Page 28: ...the crystal and pry out crystal 2 Loosen and remove pointer using T105243A 3 Insert screwdriver at bottom of the dial and remove the dial from the gauge 4 Unscrew the complete base plate with the movement and remove the washer using T112833 movement removal tool Reassemble in reverse order Ensure you tighten the movement down with Torque wrench T112653 using adapter T112653A See Section 8 7 for dr...

Page 29: ...Repeat above steps as required to obtain correct span adjustment LINEARITY ADJUSTMENT As required If 0 and 300 position are correct and other points at 250 200 150 100 or 60 are either too high or too low at one or more points then perform the following adjustments HIGH GAGE READINGS Predominantly at 250 and 200 1 Remove test pointer and test dial Obtain calibration tool and position over adjustin...

Page 30: ...operator approx 30 degrees Remove tool and release gear sector Check for gear sector starting position as defined previously adjust if necessary Re assemble test dial and pointer recheck span and adjust as necessary prior to inspection at intermediate points NOTE In all adjustments during calibration the gear sector starting position will affect accuracy Sometimes this alone can be used as an indi...

Page 31: ... to the gauge 3 Release the pressure to 300 mmHg on the digital pressure meter or a calibrated aneroid or mercury gauge Note The aneroid or mercury gauge must be accurate to 3 mmHg at the stated target pressures using a calibrated digital pressure meter If using a calibrated aneroid or mercury column the accuracy must be 6 mmHg 4 Check reading of the pressure meter or gauge to that of the Pro Chec...

Page 32: ...d Replacement Parts The following are the list of replacement parts for the Pocket Aneroid Gauge that can be purchased through Welch Allyn Inc Part Number Description 51P52 Clip Assembly 2P1623 Case 32P180 Lock nut 34P760 Crystal 3P831 Bezel 35P804 Screw cap NS 61S681 Diaphragm Assembly 63S401 Pointer 93S617 Movement 9P1799 Screw Movement 11P363 Spring 7P689 Pin for Clip ...

Page 33: ...neroid Gauge that can be purchased through Welch Allyn Inc Part Number Description Part Number Description 12P368 Lure Lock Fitting 2P1628 Cover Hand Gauge 9P2651 Screw Cover 3P831 Bezel 9S132 Thumb Screw 34P760 Crystal 42P252 Valve Body Assembly 63S401 Pointer 5090 30 Screen Assy Bulb Adapter 9P1799 Screw Movement 12P490 Bulb Adapter 93S617 Movement 2P1627A Case 61S694 Diaphragm Assembly 5086 01 ...

Page 34: ...he list of replacement parts for the 767 Wall Mobile Aneroid Gauge that can be purchased through Welch Allyn Inc Part Number Description 3P844 Bezel 34P768 Crystal 63S412 Pointer 93S617A Movement 61S681 Diaphragm Assembly 2P1138 Mount 32P727 Nut 2P1631 Case 32P763 Lock nut Case Not pictured 8P1064 Bushing Not pictured 96P135 Basket Not pictured 9P2841 Dial Mounting Screw ...

Page 35: ...Gauge that can be purchased through Welch Allyn Inc Part Number Description Part number Description 2P1138 Mount 34P417 Crystal 9P1804 Spacer 9P2841 Dial Mounting Screw 61S681 Diaphragm Assembly 63S298 Pointer USA 32P727 Jam Nut 63S402 Pointer Japan Not pictured 14P1718 Bracket 2P1503 Case Gray 9P2455 Bracket Screw 2P1124 Case Beige Not pictured 8P949 Bracket Bushing 9P2465 Screw Case 32P763 Brack...

Page 36: ...s The following are the list of replacement parts for the Economy Aneroid Gauge that can be purchased through Welch Allyn Inc Part Number Description 2P1437 Cover for Economy Aneroid 2P1626C Case for Economy Aneroid 34P640 Crystal 93S618 Movement 2P1130D Clip 32P727 Jam Nut 63S401 Pointer 9P2563 Screw Case 61S693 Capsule 9P1799 Screw Movement ...

Page 37: ...ge that can be purchased through Welch Allyn Inc Part Number Description Part Number Description 12P368 Adapter 52P1848 Dial 75P240 O Ring 18P189 Bulb Collar 2P1632 Housing 23P428 Bulb Adapter 33P131 Movement Cup 97S581 Bulb 70P450 Button 11P1240 Spring 7P716 Pivot Pin 42S242 Valve Body 93S720 Movement 8S61 Valve Assembly 22P1455 Washer Silicon 5090 30 Screen Assy Bulb Adapter 34P434 Crystal 3P847...

Page 38: ... the list of replacement parts for the Silver Ring Hand Aneroid Gauge that can be purchased through Welch Allyn Inc Part Number Description 34P761 Crystal 63S416 Pointer 52P1845 Dial 93S720 Movement 22P1460 Washer 97S583 Bulb 18P190 Bulb Ring 70P446 Trigger 8S61 Valve Assy 11P1240 Spring Not pictured 52 09 950 Housing order from S K 15 40 000 Valve Body order from S K ...

Page 39: ...Welch Allyn Inc Aneroid Sphygmomanometers Service Manual Revision A Welch Allyn Inc Page 39 of 40 Section 8 8 Welch Allyn Tycos Movement ...

Page 40: ...Welch Allyn Inc Aneroid Sphygmomanometers Service Manual Revision A Welch Allyn Inc Page 40 of 40 Section 8 9 Welch Allyn S K Movement ...

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