AD30 Underground Articulated Truck Hydraulic System Caterpillar


Pilot Control Actuator (Hoist Lower)

Usage:

AD30 DXR



Illustration 1g03688800

(1) 188-3365 Stabilizing Spring

Test Step 1.
Test force ... 21 ± 0.5 N (4.7 ± 0.15 lb)
Length under force ... 46.5 mm (1.83 inch)
Free length after test ... 54.5 mm (2.15 inch)
Test Step 2.
Test force ... 65.6 ± 3.8 N (14.7 ± 0.85 lb)
Length under force ... 29.5 mm (1.16 inch)
Free length after test ... 54.5 mm (2.15 inch)

(2) 141-5498 Spring

Test force ... 138 ± 11 N (31.0 ± 2.5 lb)
Length under force ... 43 mm (1.7 inch)
Free length after test ... 77.5 mm (3.05 inch)

(3) 141-5497 Spring

Test force ... 192.6 ± 15.4 N (43 ± 3.5 lb)
Length under force ... 40 mm (1.6 inch)
Free length after test ... 64.1 mm (2.52 inch)

(4) 173-4012 Spring

Test force ... 3.9 N (0.9 lb)
Length under force ... 11 mm (0.43 inch)
Free length after test ... 11.6 mm (0.46 inch)



Illustration 2g03688802

(5) Refer to Specifications, "Coil (Hoist)".

(6) 154-4133 Cartridge Assembly

Torque for cartridge assembly ... 35 ± 3 N·m (26 ± 2 lb ft)

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