Graco 258699, 257500 Kettle Temperature Control Calibration, Temperature Control Replacement

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Kettle Temperature Control Calibration

Kettle Temperature Control Calibration

To Check Kettle Temperature Control Calibration:

1.Move Thermolazerto an area with no wind.

2.Turn temperature control to 400° F (204° C).

3.Agitate material for 4 to 5 minutes.

4.After control has reached steady state temperature and burners do not cycle more than once per min- ute, insert remote calibrated temperature probe in material and directly adjacent kettle temperature control probe.

5.Compare temperature of remote calibrated temper- ature probe to temperature setting on temperature control.

6.If the temperature control setting is lower than the remote calibrated temperature setting on tempera- ture probe, turn adjusting screw clockwise. Every 1/4 in. turn will change temperature 35° F (19.4° C).

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7.If the temperature control setting is higher than the remote calibrated temperature probe, turn adjusting screw counterclockwise--every 1/4 in. turn will change temperature 35° F (19.4° C).

8.Recheck calibration by turning temperature control to 410° F (210° C) and repeat steps 3-7.

Temperature Control Replacement

When replacing temperature control, keep in mind that the temperature probe is an integral part of the assem- bly. Do not make any sharp bends in the capillary tubing. Bends should be 0.25 in. (0.64 cm) in radius or greater.

Be sure to seal capillary tubing with high temperature mortar at kettle outlet.

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Thermometer Replacement

Thermometer can not be removed from ThermoLazerwithout damaging thermometer probe. If probe end is frozen in material, heat material and remove until mate- rial level is lower than thermometer probe.

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Contents Repair Related ManualsTable of Contents Fire and Explosion Hazard Toxic Fluid or Fumes Hazard Terminal Connections Connections Contacts Reading DiagnosisThermometer Replacement Kettle Temperature Control CalibrationTemperature Control Replacement To Check Kettle Temperature Control CalibrationAdjust Kettle Pilot Ignitor Electrode Gap Kettle Thermometer CalibrationTo Check Kettle Thermometer Calibration Thermopile Replacement Installation Adjust Gas Pressure to Kettle Burners Adjust Kettle Pilot Burner Flame Adjust Kettle Main Burners FlameCleaning Kettle Main Burner Gas Lines Cleaning Kettle Pilot Burner Gas LinesReplacing Screed Box Spring Linkage Rod Adjustment Securing Bead Dispenser WheelAdjusting Screed Box Pivot Arm Screed Box/Bead Dispenser Box ActuatorTroubleshooting Problem Cause SolutionProblem Cause Solution Problem Cause Solution Problem Cause Solution Applying Material Box lever rod/lever arm Technical Data DimensionsGraco Standard Warranty Graco InformationGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN

257500, 258699 specifications

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