TM 10-8145-222-23
MAINTAINER MAINTENANCE
COMPRESSOR UNLOADER VALVE COIL
TEST, REPLACE
INITIAL SETUP:
Tools and Special Tools
References
Face Shield (WP 0097, Item 20)
TM 10-8145-222-10
Gloves, Rubber (WP 0097, Item 21)
Refrigeration Equipment
TM 10-8145-222-23P
Tool Kit (supplement) (WP 0096, Table 2, Item 7)
Equipment Condition
Service Refrigeration Ordnance
Tool Kit (WP 0096, Table 2, Item 6)
Refrigeration unit shut down (TM 10-8145-222-10)
Top-middle panel removed (WP 0013)
Personnel Required
Top-left panel removed (WP 0013)
Utilities Equipment Repairer
TEST
WARNING
Sudden and irreversible tissue damage can result from freezing. Wear gloves and
face protector or safety glasses in any situation where skin or eye contact with
refrigerant is possible.
Compressor lubricating oil used in this equipment is caustic. Wear gloves and a face
protector or safety glasses in any situation where skin or eye contact is possible. If oil
does contact skin, wash with soap and water.
Dangerous chemical refrigerant under pressure is used in this equipment. Use great
care to avoid contact with liquid refrigerant. Work in a well ventilated area. Heat may
cause the refrigerant to decompose and release irritating, toxic, and corrosive gases.
Prevent contact of refrigerant with flame or hot surfaces.
NOTE
Refrigeration system repairs must be performed by a technician certified to perform
such duties in accordance with EPA restrictions. Performing repairs without proper
certification may be a violation of public law and subject to severe penalties.
1. Remove protective cap (Figure 1, Item 1) from suction service valve (Figure 1, Item 2).
2. Remove protective cap (Figure 1, Item 3) from discharge service valve (Figure 1, Item 4).
3. Connect manifold gauge to compressor suction service valve (Figure 1, Item 2)
4. Connect manifold gauge to compressor discharge service valve (Figure 1, Item 4).
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