BENDIX SD-08-2414 manual Complaint System Pressure Goes to 150+ psi

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COMPLAINTS COMMON TO THE CHARGING & AIR SUPPLY SYSTEM

Complaint: System Pressure Goes to 150+ psi

•Drain the air system to zero (0) psi, remove/disconnect the governor from the compressor. Start the engine and note the air pressure rise on the dash gauges. Apply 120 psi of shop air to compressor unloader port. If the air pressure continues to rise, repair compressor unloaders or replace compressor. If air ceases to rise, repair or replace governor.

Complaint: Low Pressure Warning After Only 1 or 2 Applications

•Brakes out of adjustment: adjust brakes.

•Excessive system leakage on the service (application) side of system: Build the system pressure to 120 psi and turn the engine off. With the park brakes released, make a full service application and note the dash gauges for two (2) minutes. A pressure drop on either gauge should not exceed 4 psi. (two (2) psi per min.)

If the pressure drop is excessive, find the leakage in service system, if OK, then proceed to next complaint.

•Incorrect low pressure switch in use or setting incorrect: Build the system pressure to 120 psi, with the engine OFF and the ignition ON, slowly drain the air pressure from one service reservoir. Low pressure warning on at minimum 60 psi, maximum 10–15 psi less than governor cut-in pressure.

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Contents SD-08-2414 To Avoid Personal Injury or Death General Safety GuidelinesDescription Dryer Troubleshooting Chart at the end of the manualCharge Cycle Refer to Figure OperationGeneral Bendix AD-IPINTEGRAL Purge AIR Dryer Purge Cycle Purge Cycle Refer to FigureBendix AD-IPAIR Dryer Sectional View Turbo CUT-OFF Feature Refer to FigureDischarge Line Unloader Refer to Figure Preventive MaintenanceBendix AD-IP AIR Dryer Removal Rebuilding the Bendix AD-IPAIR DryerOperation & Leakage Tests Bendix AD-IPAIR Dryer Heater Thermostat Connector 23 24 Reference Figure Description QtyBendix AD-IPAIR Dryer Cable Bracket Installation DisassemblyAssembly Cleaning & InspectionTotal Vehicle Reservoir Volume Requirement Bendix AD-IPAIR Dryer InstallationRetrofitting the AD-IP AIR Dryer Vehicle Application RequirementsLocating Bendix AD-IPAIR Dryer on the Vehicle Vehicle PreparationMounting the AD-IP AIR Dryer Refer to FigureWiring the Heater & Thermostat Refer to Figure Connecting the AIR LinesCompressor Discharge Line Purge Exhaust LineTesting the Bendix AD-IPAIR Dryer Perform tests 1 to 6 in the order presented Symptoms Cause RemedyBendix AD-IPAIR Dryer Troubleshooting Chart Bendix AD-IPAIR Dryer Troubleshooting Chart Minimum of 30 seconds. This minimum purge Air compressor must remain unloaded for aBulletins TCH-008-021 and TCH-008-022. Shorter Is not covered under the warrantyRefer to Appendix A, Table a columns 3 & 4 for ColumnLeakage. Refer to Technical Bulletin TCH-008-040 Preventative Maintenance SectionRefer to Remedy C, Symptom #1 See Causes and Remedies for Symptoms 1, 2High Air Use Low Air UseHolset Integral Purge AIR DryerType E & QE CompressorComplaint Can Not Build System Pressure Complaints Common to the Charging & AIR Supply SystemComplaint Air System Builds Too Slow Complaint Can Not Build System Pressure Above X psiComplaint System Pressure Goes to 150+ psi Log-on and Learn from the Best Tests Common to More than ONE Complaint