TB-9-2320-279-13-1

TECHNICAL BULLETIN; AIR CONDITIONING SYSTEM

OPERATOR’S, UNIT AND DIRECT SUPPORT MAINTENANCE MANUAL, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LISTS

DECEMBER 2005

TB-9-2320-279-13-1 - Page 185 of 524

TB 9-2320-279-13-1

0015-17

AC DOES NOT COOL OR COOLS INADEQUATELY - Continued

DRAFT

WARNING

•

Moving engine components can cause severe injury.

Keep away from fan, belts, and pulleys while

engine is running.

•

Wear protective goggles and nonleather gloves when servicing air conditioner system.

Failure to

comply may result in injury to personnel.

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HEMAC181

PRESSURE TEST

(1)

Inspect AC test set recovery/recycling manifold

low-side gage reading.

(a) If gage reading is not indicating a high system

low-side pressure as indicated in the chart

shown on page 0015-11 (less than 30 psi), go

to Step 16 of this fault.

(b) If gage reading is indicating a high system low-

side pressure as indicated in the chart shown

on page 0015-11 (greater than 30 psi), go to

Step 11 of this fault.

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PRESSURE TEST

(1)

Inspect AC test set recovery/recycling manifold

high-side gage reading.

(a) If gage reading is not indicating a high system

high-side pressure for the ambient

temperature indicated in the chart shown on

page 0015-11, go to Step 14 of this fault.

(b) If gage reading is indicating a high system

high-side pressure for the ambient

temperature indicated in the chart shown on

page 0015-11, go to Step 12 of this fault.