CONVERSION AR 4576000 - Caterpillar

(1) 9T7638 Relief Valve:(2) Torque for locknut ... 14 2 N m (10 1 lb ft)(4) Torque for cover nut ... 14 2 N m (10 1 lb ft) Adjustment: Remove cover nut (4) on screw (3), then loosen locknut (2). Turn screw (3) clockwise for an increase or counterclockwise for a decrease in the pressure setting.After the relief valve adjustment is correct, tighten the locknut on the screw and install the cover nut.(5) 9T7639 Relief Valve:(6) Torque for locknut ... 61 6 N m (45 4 lb ft)(8) Torque for cover nut ... 61 6 N m (45 4 lb ft) Adjustment: Remove cover nut (8) on screw (7), then loosen locknut (6). Turn screw (7) clockwise for an increase or counterclockwise for a decrease in the pressure setting.After the relief valve adjustment is correct, tighten the locknut on the screw and install the cover nut.