AIR PRESSURE BUILDUP IS SLOW. (Cont) -726250263

TM 9-2320-364-34-1

During pressure tests, ensure air pressure is drained to 0 psi (0 kPa) before taking off air compressor

line or taking off any cover plates. If pressure is not released, plates or line could blow off and harm

personnel. Air tanks have greater than 30 psi (207 kPa) in them. Do not drain air tanks with any part of

body in air spray path. Skin embolisms and/or debris in eyes can occur from released pressure.

Allow engine to cool before performing

troubleshooting maintenance. If necessary

use insulated pads and gloves. Hot engine

components will burn and cause injury to

personnel.

Be sure line and air gage are clear of fan,

or damage to equipment could result.

PRESSURE TEST

(1) Disconnect air line 2001 from elbow

on compressor.

(a) If there is oil dripping from

line 2001, turn OFF ENGINE

switch, and replace air

compressor (Para 10-4).

(b) If there is no oil dripping from

line 2001, go to Step 2 below.

(2) Remove elbow from air compressor

port and install tee in its place.

(3) Install air line 2001 and pressure

gage on tee.

(4) Start engine and allow pressure to

build up (TM 9-2320-364-10).

(a) If 125 4 psi (862 28 kPa) are

not measured, perform Steps (5)

through (7) below, and replace air

compressor (Para 10-4).

(b) If 125 4 psi (862 28 kPa) are

measured, air compressor is OK.

(5) Turn OFF ENGINE switch.

(6) Remove pressure gage, air line

2001, and tee from air compressor.

(7) Install elbow and connect air line

2001 to elbow.