R3000H Load Haul Dump Braking System Caterpillar


Pressure Switch (Brake Accumulator Oil) (Alert Indicator)

Usage:

R3000H RCY


Illustration 1g06019666

Table 1
Specification for 459-2594 Pressure Switch 
Item  Qty  Part  Specification Description 
459-2594 Pressure Switch  Torque to 30 N·m (22 lb ft)
Actuation pressure at −40°C to +120°C (−40°F to +250°F) is 9785 ± 1960 kPa (1420 ± 285 psi).
Deactuation pressure at −40°C to +120°C (−40°F to +250°F) is 8955 ± 1790 kPa (1300 ± 260 psi).
(A) and (C) normally closed below deactuation pressure.
(A) and (B) normally open below deactuation pressure.

Caterpillar Information System:

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