AIR SYSTEM PRESSURE BUILDS UP MORE THAN 120 PSI (827 KPA) (COMPRESSOR FAILS TO UNLOAD)

TM 9-2320-366-20-2

j5. AIR SYSTEM PRESSURE BUILDS UP MORE THAN 120 PSI (827 KPA)

(COMPRESSOR FAILS TO UNLOAD)

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

Engine shut down (TM 9-2320-366-10-1).

Tool Kit, Genl Mech (Item 46, Appendix C)

Air tanks drained (TM 9-2320-366-10-1).

Goggles, Industrial (Item 15, Appendix C)

START

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Visual Inspection

FRONT BRAKE/REAR BRAKE

REASON FOR QUESTION

AIR pressure gage reads above

Does air escape from wet

120 psi.

Air compressor cannot unload

tank to governor air hose?

POSSIBLE PROBLEMS

if air is not present at governor

air intake.

Blocked air hose.

Faulty air compressor

governor.

Faulty purge valve.

Clear or replace blocked

YES

wet tank to governor air hose

(para 23-2).

Change 1