Welch Allyn Inc.
Aneroid Sphygmomanometers Service Manual
Revision A
Welch Allyn Inc.
Page 3 of 40
Table of Contents
Section 1: General Information ....................................................................................................................... 4
1.1 To Service Personnel ............................................................................................................................ 4
1.2 Tools and Equipment ............................................................................................................................ 5
1.3 Test Specifications ................................................................................................................................ 6
1.4 Test Equipment Bench Layout .............................................................................................................. 7
Section 2: Classic Pocket Aneroid Gauges ..................................................................................................... 8
2.1 Opening/Removing and Replacing Parts of the Pocket Gauge* ........................................................... 8
2.2 Calibration of the Pocket Gauge ........................................................................................................... 9
2.3 Testing ................................................................................................................................................ 11
Section 3: Classic Hand Aneroid Gauge ....................................................................................................... 12
3.1 Opening/Removing and Replacing Parts of the Hand Gauge*............................................................ 12
3.2 Calibration of the Hand Gauge ........................................................................................................... 13
3.3 Testing ................................................................................................................................................ 15
Section 4: Classic Wall and Mobile Aneroid Gauge..................................................................................... 16
4.1 Opening/Removing and Replacing Parts of the Wall and Mobile Gauge.* ........................................ 16
7670 series Wall and Mobile Aneroid. ................................................................................................. 16
Classic Wall and Mobile Aneroid. ........................................................................................................ 16
4.2 Calibration of the Wall and Mobile Gauge ......................................................................................... 17
4.3 Testing ................................................................................................................................................ 19
Section 5: Economy 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 Replacing Parts of Pro Check Hand Aneroid ............................................... 28
7.2 Calibration of the Pro Check Hand Aneroid ....................................................................................... 29
7.3 Testing of the Pro Check Hand Aneroid ............................................................................................. 31
Section 8: Pictures and Replacement Parts ................................................................................................... 32
Section 8.1: Classic Pocket Aneroid Replacement Parts........................................................................... 32
Section 8.2: Classic Hand Aneroid Replacement Parts............................................................................. 33
Section 8.3: 767 Wall/Mobile Aneroid Replacement Parts....................................................................... 34
Section 8.4: Classic Wall/Mobile Aneroid Replacement Parts ................................................................. 35
Section 8.5: Economy Aneroid Replacement Parts................................................................................... 36
Section 8.6: Silver Ring Hand Aneroid Replacement Parts ...................................................................... 37
Section 8.7: Pro Check Hand Aneroid Replacement Parts........................................................................ 38
Section 8.8: Welch Allyn Tycos Movement ............................................................................................. 39
Section 8.9: Welch Allyn S+K Movement................................................................................................ 40
