TRACK AR 3857759 - Caterpillar

Illustration 1 g00871082
For proper relief valve pressure setting, the temperature of the oil should be 49 3°C (120 5°F).Relief valve pressure setting ... 27600 700 kPa (4003 102 psi)Oil flow ... 2.0 0.2 L/min (0.53 0.05 US gpm)Pressure change for one turn of retainer assembly (1) ... 5070 kPa (735 psi) (2) Torque for locknut ... 20 2 N m (15.0 1.5 lb ft)Note: Hold retainer assembly (1) when you are tightening locknut (2) . (3) Washer Outside diameter ... 12.3 mm (0.48 inch) Inside diameter ... 5.5 mm (0.22 inch) Thickness of washer ... 0.80 mm (0.032 inch) (4) Spring Test length ... 36.25 mm (1.427 inch) Test force ... 278 14 N (63 3 lb) Free length after test ... 44.12 0.50 mm (1.737 0.020 inch) Outside diameter ... 12.5 mm (0.49 inch) (5) Lubricate seals with a thin covering of lubricant that is being sealed.