PISTON-LOAD 8S9198 - Caterpillar

Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
B 1P-0510 Driver Group 1
C 8T-5096 Dial Indicator 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03811866
Put thrust washer (5) in position on the dowels in the front housing. The thickness of the new thrust washer is 0.945 0.050 mm (0.0372 0.0020 inch).
Illustration 2 g03812202
Typical Example
Note: The idler bearing in the illustration shows a groove for an internal oil supply. The new idler bearings do not have a groove for an internal oil supply.
If the bearing (4) was removed, use Tooling (B) in order to install the bearing in the gear (1). Install the bearing until the Dimension (X) is 2.50 0.50 mm (0.098 0.020 inch). The inside diameter of the bearing should be 69.987 0.040 mm (2.7554 0.0016 inch) after installation.
Illustration 3 g03811869
Install O-ring seals (3) on idler shaft (2). Put clean engine oil on the O-ring seals.
Illustration 4 g03811872Note: The idler gears on each side are different. The gears must be installed on the correct side in order to get the correct engagement with the crankshaft gear.
Put clean engine oil on the bearing in idler gear (1).
Put idler gear (1) in position with the large shoulder of the gear in front. Install shaft (2).
Install the bolts that hold idler shaft (2) in place.
Illustration 5 g03811873
Use Tooling (C) in order to check the backlash between the crankshaft gear and the idler gear (1). The backlash should be 0.051 to 0.533 mm (0.0020 to 0.0209 inch).
Use Tooling (C) in order to check the end play of idler gear (1). The end play should be 0.25 to 0.85 mm (0.010 to 0.033 inch). End By:
Install oil pump.
Install water pumps.
Install vibration damper.