AD45B Underground Articulated Truck Hydraulic System Caterpillar

Solenoid Valve (Implement and Steering)

Usage:

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Illustration 1	g03688799

(1) Torque for locknut ... 9 ± 0.5 N·m (80 ± 4 lb in)

(2) Coil

Nominal voltage ... 24 VDC

Maximum voltage at 25 °C (77 °F) ambient temperature and 121 °C (250 °F) fluid temperature ... 28.5 VDC

Resistance at 25° ± 5°C (77° ± 9°F) ... 32.6 ± 1.6 ohms

Operating temperature range ... −40° to 121°C (−40° to 250°F)

(3) Torque for solenoid valve ... 115 ± 7 N·m (85 ± 5 lb ft)

Note: Position the lead wire of solenoid valve at a minimum of 15 degrees lower than horizontal to reduce the entry of moisture into the solenoid valve.

(4) Cartridge assembly

At a pressure drop of 690 kPa (100 psi), you will achieve the following flow with SAE 10W oil at 105°C (221°F). ... 8.1 L/min (2.14 US gpm)

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