Graco 257500, 258699 Kettle Thermometer Calibration, Adjust Kettle Pilot Ignitor Electrode Gap

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Kettle Thermometer Calibration

Kettle Thermometer Calibration

To Check Kettle Thermometer 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 thermometer.

6.If kettle thermometer is lower than the remote cali- brated temperature probe, turn adjusting screw counterclockwise.

Adjusting Screw

RESET

ti14525a

7.If the kettle thermometer is higher than the remote calibrated temperature probe, turn adjusting screw clockwise.

Adjust Kettle Pilot Ignitor Electrode Gap

1. Loosen screw (231).

.17 to .20 in.

2.Rotate ignitor electrode (7) until gap of .17 to .20 in. (.43 to .51 cm) is achieved.

3.Retighten screw (231).

7

ti14519a

313879B

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Contents Related Manuals RepairTable of Contents Fire and Explosion Hazard Toxic Fluid or Fumes Hazard Connections Contacts Reading Diagnosis Terminal ConnectionsTo Check Kettle Temperature Control Calibration Kettle Temperature Control CalibrationTemperature Control Replacement Thermometer ReplacementKettle Thermometer Calibration Adjust Kettle Pilot Ignitor Electrode GapTo Check Kettle Thermometer Calibration Thermopile Replacement Installation Adjust Gas Pressure to Kettle Burners Adjust Kettle Main Burners Flame Adjust Kettle Pilot Burner FlameCleaning Kettle Pilot Burner Gas Lines Cleaning Kettle Main Burner Gas LinesReplacing Screed Box Spring Securing Bead Dispenser Wheel Linkage Rod AdjustmentScreed Box/Bead Dispenser Box Actuator Adjusting Screed Box Pivot ArmProblem Cause Solution TroubleshootingProblem Cause Solution Problem Cause Solution Problem Cause Solution Applying Material Box lever rod/lever arm Dimensions Technical DataGraco Information Graco Standard WarrantyGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN