TM 5-3805-261-20GAGES AND INDICATORS (NON-ELECTRICAL) TROUBLESHOOTING AND MAINTENANCE PROCEDURES.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONb.AIR PRESSURE GAGES FAIL TO OPERATE. Vehicle must be articulated left to view air pressure gages.Figure 16-2.Check air lines with a pressure gage of known accuracy (Figure 16-2).If the system is pressurized--replace defective air pressure gage. Refer to paragraph 16-5.16-3
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