374F Excavator Machine System Caterpillar


Pressure Switch (Refrigerant Pressure Cutoff)

Usage:

374F L AP4


Illustration 1g06407932

Table 1
Item  Qty  Part  Specification Description 
Working Range (Temperature): 
−30° to 100° C (−22° to 212° F) 
Refrigerant: 
R-134a 
Working Range (High Pressure): 
OFF: 3140 ± 200 kPa (455 ± 29 psi) 
DIFFERENTIAL (Minimum): 590 kPa (86 psi) 
Working Range (Low Pressure): 
OFF: 196 ± 20 kPa (28 ± 3 psi) 
DIFFERENTIAL (Minimum): 20 kPa (3 psi) 

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