ARM A-RH 9W0590 - Caterpillar

Pressure setting ... 897 34 kPa (130 5 psi) At a flow of ... 125 liter/min (33 U.S. gpm)(1) 1S1643 SpringFirst test Length under test force ... 99.64 mm (3.923 in)Test force ... 44 3 N (9.9 .7 lb)Second test Length under test force ... 73.79 mm (2.905 in)Test force ... 282 12 N (63 3 lb)Free length after test ... 104.40 mm (4.110 in)Outside diameter ... 17.78 mm (.700 in)(2) 1P620 Spring Length under test force ... 23.90 mm (.941 in)Test force ... 170 14 N (38.2 3.1 lb)Free length after test ... 40.40 mm (1.590 in)Outside diameter ... 26.42 mm (1.040 in)(3) 8S6215 Spacer Thickness of spacer ... 0.91 mm (.036 in)One spacer will change pressure ... 28 kPa (4 psi)