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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-28.
SIGHT REFRIGERANT GLASS.
This task covers:
Inspection
Repair
Removal
Installation
INITIAL SETUP:
Tools
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Equipment Conditions:
WARNING
Disconnect input power to the air conditioner before performing any internal maintenance. Voltages
used can KILL. Shutting the unit off at the control panel does not disconnect unit power.
1.
Disconnect air conditioner input power at source.
2.
Remove right front evaporator panel (para 4-25).
3.
Swing control box out (para 4-45).
INSPECTION
1.
Inspect for evidence of leaks, damaged lines, and loose or missing mounting hardware (see Figure 5-17).
2.
If a leak is suspected or indicated, test per paragraph 5-15.
REPAIR
Repair of the sight refrigerant glass consists of tightening the sight glass.
REMOVAL
1.
Pump down refrigerant system (para 5-21).
2.
Remove plastic cover (3).
3.
Remove clamps in work area.
4.
Debraze tubing (1) at joints (para 5-14).
5.
Remove sight refrigerant glass (2).
INSTALLATION
1.
Remove plastic cover (3).
2.
Position sight refrigerant glass (2) in unit.
3.
Braze tubing (1) at joints (para 5-14).
4.
Leak test all newly connect joints and those in the repair area (para 5-15).
5.
Install clamps that were removed in work area.
6.
Install plastic cover (3).
5-59
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