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AP Dynamometer Service Manual
AP Dynamometer Introduction .............................................................................................................................. 5
The Dillon Mechanical Dynamometer Family .................................................................................................. 5
About This Manual .......................................................................................................................................... 5
Disassembly and Reassembly .............................................................................................................................. 6
Separation of Pressure Bar and Gauge Movement on 5" Diameter Units up to 20,000 lb/10000 kg ............... 6
Reassembly of Pressure Bar and Gauge Movement on 5" Diameter Units up to 20,000 lb/10000 kg ............ 6
Separation of Pressure Bar and Gauge Movement on 10" Diameter Units up to 20,000 lb/10000 kg ............. 8
Reassembly of Pressure Bar and Gauge Movement on 10" Diameter Units up to 20,000 lb/10000 kg ........... 8
Separation of Pressure Bar and Gauge Movement on 10" Diameter Units
from 30,000 -100,000 lb (15000-50000 kg) Capacities ................................................................................... 9
Reassembly of Pressure Bar and Gauge Movement on 10" Diameter Units
from 30,000 -100,000 lb (15000-50000 kg) Capacities ................................................................................... 9
Periodic Maintenance Requirements .................................................................................................................... 11
Cleaning And Lubrication ............................................................................................................................... 11
Inspection of the Pressure Bar ....................................................................................................................... 11
Inspection of the Shackles and Pins .............................................................................................................. 12
Defect Removal Allowances for Shackles and Shackle Pins ......................................................................... 12
Defect Removal Allowances for Pressure Bars .............................................................................................. 13
Proof Loading ................................................................................................................................................ 13
Calibration Procedures ......................................................................................................................................... 14
Procedure for 20,000 lb (10000 kg) and Below .............................................................................................. 14
Span adjustment procedure .................................................................................................................... 14
Procedure for 30,000 lb (15000 kg) and Higher ............................................................................................. 16
Span adjustment procedure .................................................................................................................... 16
Pointer Part Numbers ........................................................................................................................................... 17
Standard 5” (127 mm) Dynamometer ............................................................................................................ 17
Standard 10” (254 mm) Dynamometer .......................................................................................................... 17
Troubleshooting and Common Repairs ................................................................................................................ 18
Calculating Tension in a System ........................................................................................................................... 18
5” Dial (500-20,000 lb Cap.) Parts and Assembly ................................................................................................. 19
10” Dial (500-20,000 lb Cap.) Parts and Assembly ............................................................................................... 20
10” Dial (30,000-50,000 lb Cap.) Parts and Assembly .......................................................................................... 21
10” Dial (100,000 lb Cap.) Parts and Assembly .................................................................................................... 22
Shackle/Pin Dimensional Outline Drawings .......................................................................................................... 23
