DUPLEX AIR GAGES (cont)
If duplex air gage (11) is not removed from locomotive, use a portable air gage tester and test by the foll
Perform step 1 above.
Remove probe plug (17) from duplex air gage (11).
Install tester probe (18) and female hose connector (19).
Test at half scale and full scale and compare amount of pressure applied to the reading shown on gage.
If pointer needs adjusting, perform step 5 above.
Adjust pointer as needed. Refer to step 11 above.
If duplex air gage is not accurate within
ñ 1.5%, further repair is required. Send duplex air gage to a
If pointer needed adjusting, perform step 14 below.
Remove female hose connector (19) and test probe (18).
Install probe plug (17).
Perform step 18 below.