Table 3-6. Unit Troubleshooting Table. -- Continued
Test or Inspection
AIR DRIER SAFETY VALVE EXHAUSTING AIR.
Disassemble air drier and check desiccant cartridge (1) for blockage (Para 15-12).
Dark color in desiccant cartridge (1) is an indication of blockage. Replace desiccant cartridge
Check discharge valve (2) for proper operation.
If discharge valve (2) is not operating properly, remove, clean with soapy water, and install.
If discharge valve (2) is operating properly, replace air drier (Para 15-11).