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FILM GP 2278673 - Caterpillar

2278673 FILM GP Caterpillar parts 574B FILM
Alternative (cross code) number:
Caterpillar 2278673 FILM GP

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Compatible equipment models: 2278673:

FORWARDER  574B   Caterpillar
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Table 2
Accumulator Precharge Pressure Temperature Relationship for a Typical Ride Control Accumulator
Temperature ° C (° F) Pressure Correction kPa (psi)
−7° C (20° F) −270 kPa (−39 psi)
−1° C (30° F) −215 kPa (−31 psi)
4° C (40° F) −160 kPa (−23 psi)
10° C (50° F) −105 kPa (−15 psi)
16° C (60° F) −50 kPa (−7 psi)
21° C (70° F) 0 kPa (0 psi)
27° C (80° F) 60 kPa (8 psi)
32° C (90° F) 115 kPa (16 psi)
38° C (100° F) 170 kPa (25 psi)
43° C (110° F) 225 kPa (32 psi)
49° C (120° F) 280 kPa (40 psi) Ride Control Accumulator
The ride control accumulators act as a shock absorber when the machine travels over rough terrain with a loaded work tool. The force of the load acts against the head end of the lift cylinders. Hydraulic oil from the head end of the lift cylinders flows to the accumulator. Hydraulic oil pressure acts against the nitrogen within the accumulator.Test for the Ride Control Valve
Note: You can use the electronic technician software to perform some tests on the machine. Through the electronic technician software, verify that the machine contains the ride control system.
Illustration 1 g03807237
Start the engine. Make sure that the center indicator light above the

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