TM 5-3805-261-20COOLING SYSTEM MAINTENANCE. (cont)6-42.TemperatureRegulator. (Sheet 3 of 3)TESTINGNOTEWater must be kept at a constanttemperature of 190 degrees F or tenminutes and regulator cannot touchthe bottom or sides of the pan.Submerge regulator (8, Figure 6-103) in water.After ten minutes, remove regulator (8) andmeasure distance regulator (8) has opened. Ifdistance is less than 0.375 inch, replaceregulator (8).INSTALLATION1.Install regulator (10, Figure 6-102).Pyramid part of regulator (12) faces up.2.Install plug (9) in housing (5).3.Install housing (5) and new gasket (8).4.Install four washers (4) and bolts (3).5.Install washer (7) and bolt (6) to fuel tankclip weldment.6.Connect hose (1) by sliding down from tube(9) onto housing (5).7.Tighten two clamps (2).NOTEReturn 130C Grader to originalequipment condition.Figure 6-102.End of TaskFigure 6-103.6-148
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