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)

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Visual Inspection

FRONT BRAKE/REAR BRAKE

REASON FOR QUESTION

AIR pressure gages OK.

Are air hose from air cleaner

A damaged air intake hose

to air compressor and

POSSIBLE PROBLEMS

may cause air system to

fittings free from damage?

take an excessive amount of

Damaged air hose from air

time to build up air pressure.

cleaner to air compressor.

Damaged air hose from air

compressor to air dryer.

Damaged air hose from air

dryer to wet tank.

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

Replace damaged air intake

YES

and/or clogged desiccant

hose and/or fittings (para 23-2).

cartridge.

Faulty air compressor

governor.

Faulty air compressor.

2-1950

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