UNIVERSAL JOINT GP 2374550 - Caterpillar

Illustration 1 g02809459
(3) Dial Indicator
Set a dial indicator with the point on the camshaft.
Move the cam gear to the front and rear to measure the side clearance.
Table 1
Side clearance of camshaft (New) 0.070 mm (0.0028 inch) to 0.22 mm (0.0086 inch)
Allowable limit 0.30 mm (0.012 inch)
If the measurement is more than the allowable limit, replace the camshaft stopper. Camshaft Bend
Illustration 2 g02809462
(4) Dial Indicator
(5) V Blocks
Hold the two end journals of camshaft with V blocks on the surface plate.
Set a dial indicator with the point on the middle journal.
Turn the camshaft slowly and read the variation on the indicator.
Table 2
Allowable limit of camshaft bend 0.01 mm (0.0004 inch)
If the measurement is more than the allowable limit, replace the camshaft. Camshaft Height
Illustration 3 g02809857
(6) External Micrometer
Measure the height of the cam at the highest point with an external micrometer.
Table 3
Camshaft height of intake (New) 28.8 mm (1.13386 inch)
Allowable limit 28.75 mm (1.13189 inch)
Camshaft height of exhaust (New) 29 mm (1.14173 inch)
Allowable limit 28.95 mm (1.13976 inch) Oil Clearance of Camshaft Journal
Illustration 4 g02809998
(7) External Micrometer
Measure the camshaft journal outside diameter with an external micrometer.
Table 4
Outside diameter of camshaft (New) 35.934 mm (1.41472 inch) to 35.950 mm (1.41535 inch)
Illustration 5 g02811078
(8) Cylinder Gauge
Measure the cylinder block bore for the camshaft with a cylinder gauge.
Table 5
Cylinder block bore for the camshaft (New) 36.000 mm (1.41732 inch) to 36.025 mm (1.41830 inch)
Calculate the oil clearance.
Table 6
Oil clearance for camshaft journal (New) 0.050 mm (0.0020 inch) to 0.091 mm (0.0035 inch)
Allowable limit 0.15 mm (0.0059 inch)
If the oil clearance is more than the allowable limit, replace the camshaft.