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Page Title: CHARGING (Cont)
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DRAFT
TB 9-2320-279-13-1
AC SYSTEM REFRIGERANT (R-134a) MAINTENANCE - Continued
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HEMAC198
10. Select CHARGE and press ENTER on LCD screen (16).
CAUTION
Use care not to overcharge AC system. The AC system is fully charged when there
is 3 lbs. (1.4 kg) of refrigerant in AC system. Failure to comply may result in
damage to compressor.
11. Turn panel high side valve (17) to 9 o'clock position, then press START.
NOTE
A slow charge condition may occur due to a pressure equalization between the service
station and vehicle AC system.
12. Monitor the charge weight and turn panel high side valve (17) to 12 o'clock position after 3 lbs. (1.4 kg) of
refrigerant has entered AC system.
WARNING
Never operate vehicle AC system with the panel high side valve in 9 o'clock
position.
NOTE
Perform Steps 13 through 19 if a slow charge condition occurs.
Proceed to Step 20 if a slow charge condition did not occur.
13. Ensure panel low side valve (18) and high side valve (17) are in 12 o'clock position.
14. Start engine (TM 9-2320-279-10).
15. Turn AC system ON (WP 0004).
0050-15

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