S0605050K
Page 18
Air Conditioner
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REFRIGERANT SYSTEM REPAIRS
REFRIGERANT SAFE HANDLING PROCEDURES
The following procedures should be observed for safe handling of refrigerant during vacuum and charging
process.
1. Use an approved recovery / charging device which can safely perform vacuum and charge work
simultaneously.
2. The new refrigerant has improved cooling characteristics than the old type and care should be used
not to overcharge the system.
3. Do not over tighten connections when working on refrigerant system.
4. The new refrigerant system standards require new tools, equipment and parts. DO NOT attempt to
use equipment use in servicing the old refrigerant system.
WARNING!
Always wear protective glasses and gloves when handling refrigerant. If refrigerant comes in
contact with the skin or eyes, immediately flush with clean, running water and consult a
physician.
Select a clean and well-ventilated area to work.
The refrigerant container is under high pressure and should be stored below 40˚C (104˚F). Be
careful not to drop the container from a high location
The contents are under high pressure and should not be used with compressed air or near an
open flame.
O - RING POSITION
CORRECT
WRONG WRONG
UNION NUT
CORRECT WRONG
CORRECT
WRONG
WRONG
TORQUE WRENCH
CAP & PLUG
HDA6066L
Figure 14
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