TAPPET 1544607 - Caterpillar

Illustration 1 g00278779
(1) 146-1740 Spring Quantity ... One Assembled load at 0 degrees deflection ... 1.07 N (0.241 lb) Length after test ... 36.58 mm (1.440 inch) Outside diameter ... 46.48 mm (1.829 inch) Wire diameter ... 2.49 mm (0.098 inch)
Illustration 2 g00280830
When spring (1) is assembled into position, you must attain the following conditions:
The ends of the spring must contact both pins (5) .
The inner diameter of the spring must contact pin (6) . (2) 151-0456 Spring Quantity ... One Test force ... 24.0 1.9 N (5.39 0.43 lb) Test length ... 40.13 mm (1.580 inch) Length after test ... 42.42 mm (1.670 inch) Outside diameter ... 17.27 mm (0.660 inch) (3) 143-8302 Spring Quantity ... One Test force ... 63.0 6.0 N (14.2 1.3 lb) Test length ... 42.60 mm (1.677 inch) Length after test ... 69.45 mm (2.734 inch) Outside diameter ... 27.0 mm (1.06 inch) (4) 135-7479 Valve Clearance for the fit of the stem to the sleeve ... .046 .005 mm (0.0018 0.0002 inch) (7) Torque for plug ... 80 7 N m (60 5 lb ft) (8) Torque for two bolts ... 55 7 N m (41 5 lb ft) (9) The spool must fit freely over the male spline on the shaft assembly. Position the spool so that the hole in the spool aligns with the hole in the body.