INDICATOR AS-PRESSURE 4900663 - Caterpillar

Table 1
Required Tools
Tool Part Number Part Description Qty
A 8T-5096 Dial Indicator Group 1 Concentricity of the Flywheel Housing
Note: This check must be made with the flywheel and the starter removed and the bolts for the flywheel housing tightened lightly.
Illustration 1 g01344313
Typical example
Install Tooling (A). See Illustration 1.
Set the pointer of the dial indicator to 0 mm (0 inch).
Check the concentricity at intervals of 45 degrees around the flywheel housing.
Calculate the difference between the lowest measurement and the highest measurement. This difference must not be greater than the limit that is given in Table 2. Alignment of the Flywheel Housing
Note: This check must be made with the flywheel and the starter removed and the bolts for the flywheel housing tightened to the correct torque.
Illustration 2 g01344315
Typical example
Install Tooling (A). See Illustration 2.
Set the pointer of the dial indicator to 0 mm (0 inch).
Check the alignment at intervals of 45 degrees around the flywheel housing.
Calculate the difference between the lowest measurement and the highest measurement. This difference must not be greater than the limit that is given in Table 2.
Table 2
Limits for Flywheel Housing Runout and Alignment (Total Indicator Reading)
Bore of the Housing Flange Maximum Limit (Total Indicator Reading)
410 mm (16.14 inch) 0.25 mm (0.010 inch)
448 mm (17.63 inch) 0.28 mm (0.011 inch)