AIR SYSTEM LOSES PRESSURE DURING OPERATION/SLOW, NO, OR INCORRECT AIR PRESSURE BUILDUP (cont)

TM 9-2320-366-20-2

j1. AIR SYSTEM LOSES PRESSURE DURING OPERATION/SLOW, NO, OR INCORRECT AIR

PRESSURE BUILDUP (CONT)

KNOWN INFO

TEST OPTIONS

Soapy Water Leak Test and

FRONT BRAKE/REAR BRAKE

Visual Inspection

AIR pressure gages OK.

Are air hose from wet tank

REASON FOR QUESTION

Air hoses and fittings from air

to air compressor

cleaner to air compressor OK.

A damaged air hose or fitting

governor and fittings free

Air hoses and fittings from air

may cause air system to loose

from damage?

compressor to air dryer OK.

pressure or take an excessive

Air hose and fittings from

amount of time to build up

air dryer to wet tank OK.

air pressure.

POSSIBLE PROBLEMS

Damaged air hose from wet

tank to air compressor.

Damaged air hoses from wet

tank to primary and secondary

air tanks.

Faulty check valves at primary

and secondary air tanks.

Faulty air dryer purge valve

and/or clogged desiccant

cartridge.

Faulty air compressor

Replace damaged air hose

YES

governor.

and/or fittings (para 23-2).

Faulty air compressor.

2-1956

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