Service
Smith Meter
®
PD Rotary Vane Meter
Contents
Section 1 – General Information and Description ....................................................................................Page 2
Description .....................................................................................................................................................Page 2
Suggested Tools and Fixtures ........................................................................................................................Page 2
Disassembly of Model T-11 and I-75 Meters...................................................................................................Page 3
Disassembly of Model T-20, T-40, I-150, SC, SD, SF, and SG Meters ............................................................Page 6
Adjusting Rotor End Clearances ....................................................................................................................Page 9
Section 2 – Clearance Checks ....................................................................................................................Page 12
Blade Tip Toward Housing ..............................................................................................................................Page 13
Rotor to Block .................................................................................................................................................Page 13
Blade Slot .......................................................................................................................................................Page 13
Blade End to Rotor .........................................................................................................................................Page 14
Blade Roller Over Radius Portion of Cam ......................................................................................................Page 14
Section 3 – Meter Repairs ...........................................................................................................................Page 15
Replacing Adjusting Stem Assembly ..............................................................................................................Page 15
Replacing Packing Gland ...............................................................................................................................Page 15
Installing New Rotor .......................................................................................................................................Page 14
Replacing Blade Assembly .............................................................................................................................Page 15
Blade Roller Replacement (T-20, T-40, I-150, SC, SD, SF, and SG Meters Only) ..........................................Page 16
Cam Replacement (T-11 or I-75 Meters Only) ................................................................................................Page 16
Section 4 – Troubleshooting Table .............................................................................................................Page 18
Meter Clearance Record .............................................................................................................................Page 19
Section 5 – Related Publications ...............................................................................................................Page 20
Single-Case Series
Models Included:
T11, I-75
T-20, I-150
T-40
SC-13, SC-13-DI
SD-30, SD-30-DI
SD3-S1
SD3-NF
SF4-NF
SG6-NF
S-Type MetersT-Type Meters
Issue/Rev. 0.5 (6/11) Bulletin MN01029
The Most Trusted Name In Measurement