980K Wheel Loader Electrohydraulic System Caterpillar


Ride Control Valve

Usage:

980K GTZ



Illustration 1g02155694

(1) 328-4314 Solenoid Valve Gp

(2) 252-0737 Solenoid Valve Gp

(3) 343-3302 Check Valve Gp

(4) 4T-7581 Relief Valve Gp

Final installation torque for the valve ... 65 ± 5 N·m (48 ± 4 lb ft)

Note: For more information on the 4T-7581 Relief Valve Gp, refer to Specifications, "Relief Valve (Ride Control)".

(5) 318-8833 Check Valve Gp

(6) 260-8590 Shuttle Valve

(7) 235-6157 Shuttle Valve

328-4314 Solenoid Valve Gp




Illustration 2g02155716

(8) Final installation torque for the nut ... 6 ± 2 N·m (53 ± 18 lb in)

(9) Final installation torque for the solenoid valve group ... 95 ± 5 N·m (70 ± 4 lb ft)

Operating voltage ... 24 VDC

Resistance at 25° ± 5°C (77° ± 9°F) ... 33.8 Ohms

252-0737 Solenoid Valve Gp




Illustration 3g02155723

(10) Final installation torque for the nut ... 5.3 ± 1.5 N·m (47 ± 13 lb in)

(9) Final installation torque for the solenoid valve group ... 50 ± 5 N·m (37 ± 4 lb ft)

Operating voltage ... 24 VDC

343-3302 Check Valve Gp




Illustration 4g02156050

(12) Final installation torque for the check valve group ... 150 ± 8 N·m (110 ± 6 lb ft)

Maximum operating pressure ... 35000 kPa (5100 psi)

318-8833 Check Valve Gp




Illustration 5g02156052

(13) Final installation torque for the check valve group ... 50 ± 5 N·m (37 ± 4 lb ft)

Maximum operating pressure ... 34500 kPa (5000 psi)

Cracking pressure ... 13.8 kPa (2.0 psi)

260-8590 Shuttle Valve




Illustration 6g02156053

(14) Final installation torque for the shuttle valve ... 16 ± 3 N·m (12 ± 2 lb ft)

Maximum operating pressure ... 42000 kPa (6100 psi)

235-6157 Shuttle Valve




Illustration 7g02156054

(15) Final installation torque for the shuttle valve ... 50 ± 5 N·m (37 ± 4 lb ft)

Maximum operating pressure ... 42000 kPa (6100 psi)

Cracking pressure ... 620 kPa (90 psi)

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