159200-5020 ZEXEL 9 421 615 587 BOSCH GOVERNOR HOUSING 9421615587 1592005020 1157212090

(1) Oil cooler base bypass valve. Opening pressure ... 296 kPa (43 psi)(2) Base assembly. Tighten stud that holds filter assembly (3) to a torque of ... 68 7 N m (50 5 lb ft)(3) Filter assembly.(4) Cover. Tighten to a torque of ... 60 10 N m (44 7 lb ft)(5) Seal. Lubricate seal with lubricant being sealed.
Section A-A. Oil Filter Bypass Valve.The bypass opening pressure differential is 170 kPa (25 psi).(6) Seal.(7) Spring (8M3182): Assembled length ... 63.5 mm (2.50 in)Load assembled length ... 36.5 N (8.92 lb)Free length after test ... 91.7 mm (3.61 in)Outside diameter ... 20.6 mm (.81 in)(8) Seal.(9) Plunger.
Section B-B. Oil Pump Bypass Valve.(10) Spring (2N6005): Assembled length ... 96.52 mm (3.800 in)Load at assembled length ... 92.52 N (20.817 lb)Operating length (min) ... 45.72 mm (1.800 in)Load at min operating length ... 257.55 N (57.949 lb)Free length after test ... 124.71 mm (4.910 in)Outside diameter ... 21.84 mm (.860 in)(11) Valve.(12) Seal.(13) Seal.
Section C-C. High Pressure Relief Valve.The relief pressure is 696 kPa (101 psi).(14) Spacer.(15) Spring (1A2170): Assembled length ... 21.43 mm (.844 in)Load at assembled length ... 198.03 13.35 N (44.500 3.000 lb)Free length after test ... 31.00 mm (1.220 in)Outside diameter ... 19.60 mm (.772 in)(16) Seal.
Oil Cooler Bypass Valve.(17) Minimum stroke ... 8.4 mm (.33 in)(18) Length of valve fully compressed ... 44.2 1 mm (1.70 .04 in)(19) Length of valve fully extended ... 52.6 1 mm (2.10 .04 in)(B) Position "B".Valve Data: Start to close temperature ... 100 to 102.8° C (212 to 217° F)Position "B" temperature activation ... 111.1° C (232° F)Position "B" bypass opening pressure differential ... 155 17 kPa (22 2 psi)Fail safe activation temperature ... 126.7° C (260° F) Unit will stroke to and remain at position "B" at failsafe activation temperature.