TM 5-4310-375-14
3-12. Air receiver system.
a. Safety Valve. Check safety valve for leaking by using a soapy water solution applied with a brush. Leakage will be
indicated by bubbling of the solution. Check operation of safety valve with pressure in air receiver tank. Full up on ring
located on end of safety valve to relieve tank pressure. Release ring; safety valve should reseat. Check again for leakage
with soapy water solution. Notify Organizational Maintenance of a leaking or defective safety valve.
b. Receiver Drain Cock. With air pressure in receiver tank, use a soapy water solution applied with a brush to check
for leakage at drain cock. Leakage will be indicated by bubbling of the solution. Open and close the drain cock and check
for proper seating by again applying soapy water solution. Notify Organizational Maintenance of a leaking or defective air
receiver drain cock.
3-13. Air discharge system.
a. Inflator Gauge. Inspect threads for damage, slip-sleeve for proper operation and gripping of air chucks, hose for
cuts and fraying, cartridge lever for operation, and gauge for overall function. Notify Organizational Maintenance for
replacement of defective inflator gauge.
b. Air Service Hose. Inspect air service hose for any cuts, fraying, or damaged end fittings. Notify Organizational
Maintenance for replacement of damaged hose assembly.
c. Globe Valve. With globe valve closed and air pressure in receiver tank, use soapy water solution applied with a brush
to check globe valve for leaks. Open and close the valve several times to determine if operating properly. Close valve and
again check for leaks with soapy water solution. Notify Organizational Maintenance for replacement of a defective globe
valve.
3-12
