143H and 163H Motor Graders Hydraulic and Steering System Ripper Control Valve Caterpillar


Ripper Control Valve
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(1) Torque for two plugs ... 80 ± 15 N·m (60 ± 11 lb ft)

(2) Lubricate seals with a thin covering of the lubricant that is being sealed.

(3) 102-7412 Spring

Test length ... 28.0 mm (1.1 inch)
Test force ... 46.0 ± 2.4 N (10.00 ± .54 lb)
Free length after test ... 48.42 mm (1.906 inch)
Outside diameter ... 18.2 mm (.72 inch)

(4) Torque for ripper relief valve ... 35 ± 7 N·m (26 ± 5 lb ft)

Note: Before you install valves (5) and seats (6) into the control valve body, assemble the valves and seats together.

(7) Torque for plug ... 35 ± 7 N·m (26 ± 5 lb ft)

(8) 6E-5153 Spring

Test length ... 14.0 mm (.55 inch)
Test force ... 18.0 ± 1.4 N (4.00 ± .32 lb)
Free length after test ... 18.4 mm (.72 inch)
Outside diameter ... 7.2 mm (.28 inch)

(9) Lubricate seals with a thin covering of the lubricant that is being sealed.

(10) 9J-0403 Spring

Quantity ... 2
Test length ... 18.7 mm (.74 inch)
Test force ... 12.9 ± 1.0 N (2.90 ± .23 lb)
Free length after test ... 25.1 mm (.99 inch)
Outside diameter ... 10.4 mm (.41 inch)

(11) 111-8233 Spring

Test length ... 15.5 mm (.61 inch)
Test force ... 13.5 ± 0.8 N (3.03 ± .18 lb)
Free length after test ... 25.6 mm (1.01 inch)
Outside diameter ... 15.0 mm (.59 inch)

Gently seat ball (12) into the valve body at assembly.

(13) 6E-3007 Spring

Test length ... 8.6 mm (.34 inch)
Test force ... 0.234 ± 0.024 N (.053 ± .0054 lb)
Free length after test ... 10.0 mm (.39 inch)
Outside diameter ... 4.6 mm (.18 inch)

(14) Torque for lever ... 25 ± 6 N·m (18 ± 4 lb ft)

(15) Lubricate seals with a thin covering of the lubricant that is being sealed.

(16) Lubricate rings with a thin covering of the lubricant that is being sealed.

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