SEAL ASSEM. 5H0425 - Caterpillar

Typical Illustration (3412C Shown)(1) Tighten bushing to a torque of ... 270 13 N m (199 10 lb ft)(2) Zero rack pin hole (LH).(3) Timing pin hole.(4) Zero rack pin hole (RH).(5) Fuel inlet from secondary filter. (6) Fuel return to tank (automatic bleed).(7) Fuel bypass valve.(8) Rotary servo group.
View D-D(9) 4N0605 Rotary Servo Group Spring. Length under test force ... 22.35 mm (.880 in)Test force ... 15.7 0.8 N (3.53 .18 lb)Free length after test ... 43.92 mm (1.729 in)Outside diameter ... 13.39 mm (.527 in)
View H-H(10) The inside diameter of servo oil pump rotor assembly is ... 12.706 0.006 mm (.5002 .0002 in)(11) The inside diameter of the body assembly bearing must be ... 12.720 0.013 mm (.5008 .0005 in)(12) The shaft diameter is ... 12.682 0.008 mm (.4993 .0003 in) The shaft must rotate freely after tightening cover.
View C-C(13) 9Y6083 Fuel Pressure Regulating Spring: Length under test force ... 26.24 mm (1.033 in)Test force ... 13.4 0.7 N (3.01 .15 lb)Free length after test ... 43.31 0.91 mm (1.705 .036 in)Outside diameter ... 13.48 mm (.531 in)(14) Lubricate seal with lubricant being sealed.
View A-A
View F-F(15) Lubricate seal lightly with glycerin.(16) Tighten connector nut to a torque of ... 8.0 0.5 N m (71 4 lb in)(17) Tighten solenoid assembly to a torque of ... 70 10 N m (50 7 lb ft)(18) 1N3801 Broken Link Spring: Length under test force ... 26.24 mm (1.033 in)Test force ... 4.5 0.2 N (1.00 .05 lb)Free length after test ... 49.29 mm (1.941 in)Outside diameter ... 11.32 mm (.446 in)
View G-G(19) Lubricate seal lightly with glycerin.(20) With rack pinned at "zero" position adjust sensor output (electronic control group) as required.(21) Tighten nut to a torque of ... 55 7 N m (41 5 lb ft). See View B-B.With timing pin in timing hole in fuel pump housing and timing slot in camshaft and No. 1 Cylinder at BTC, compression stroke static timing is 15.6 degrees BTC.
View E-E(22) Fuel outlet to secondary filter.(23) Fuel inlet from primary filter.