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Feeder Calibration - TM-5-3895-374-10_125
Feeder Calibration - TM-5-3895-374-10_127

TM-5-3895-374-10 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-10 Item Procedure 2 Install load cell assembly (stored in control van) onto the location provided on the tank support structure.  Plug load cell cable CBLO13 into plug J13 on control van plug box. 3 Remove transport chains retaining the calibration tank so that it is supported by the load cell and clear of the support structure. 4 Install  2  inch  asphalt  line  (stored  in  the  basket  on  the  drum  mixer)  between  calibration  tank connection and the quick coupler at the metering pump. 5 To calibrate tank, open manual square head plug valve to calibration. Close square head plug valve to drum mixer. 6 Feeder  panel  select  DIVERT  on  Divert  valve.    Select  MANUAL  on  Asphalt  Metering  Pump. Select FORWARD on Asphalt Metering Pump.  Adjust speed to 50% on Asphalt Meter.  Confirm approximate asphalt flow rate of 5.5 tons per hour. 7 Open  feeder  panel  lower  door  to  expose  calibration  scale  panel  mounted  on  inside  of  door. (See figure 2-37). 8 Press on/off button.  Scale should read identification DF2000 and display a numerical value. 9 Press zero and scale will automatically zero.  (See Maintenance manual for more information). 10 Suspend known weight to the calibration tank (one on each side of calibration tank frame). 11 Verify scale digital display reads accurately the known weight (within + or one pound).  If scale does not read accurately proceed to set new span. 12 Calculate and compare sample weight with computer test weight.  If in error, on keyboard, select error calculator (8), enter  requested  values  as  prompted.    Record  results  on  calibration  sheet. Select correct totals (9), enter calibrated weight from calibration sheet.  Press ESCAPE. 13 Press 13, press select, display flashes 1 and returns to original weight reading, enter the correct (known) weight and press enter. 14 Remove calibration known weight. 15 Check zero.  Re-zero if necessary. 16 Re-apply weight.  Repeat steps 11 through 14.  Repeat as often as necessary. page 2-92







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