ACCUMULATOR GP-STEERING 3964127 - Caterpillar

(1) End play for the camshaft ... .007 .003 in.(0.18 0.08 mm) Maximum permissible end play (worn) ... .020 in.(0.51 mm)(2) Diameter of bearing surfaces (journals) of the camshaft ... 2.5000 .0005 in.(63.500 0.013 mm) Bore in bearing for camshaft ... 2.5035 .0015 in.(63.599 0.038 mm)Maximum permissible clearance between bearing and bearing surface (journal) (worn) ... .007 in.(0.18 mm)(3) Height of the lobes of camshaft: To get height (3), use the following procedure: A. Measure base circle (5).B. Add lobe lift (4) to base circle measurement. Total is camshaft lobe height. Camshaft lobe lift (4) is: a. Exhaust lobe ... .3071 in.(7.800 mm)b. Intake lobe ... .3077 in.(7.816 mm)Minimum permissible height of lobes is .025 in. (0.64 mm) less than measurement in step (B).