SLEEVE 2S4957 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5B-4274 Bolt 2 Start By:
Remove water pumps.
Remove engine oil pump.
Remove vibration damper.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g03811802Note: The same procedure is used for removing the idler gears and the idler shafts on both sides. The idler gears on each side are different. The idler gears must be installed on the correct side in order to get the correct engagement with the crankshaft gear.
Remove the bolts that hold idler shaft (2) in place. Note: DO NOT allow the gear to fall when the idler shaft is removed.
Install Tooling (A) in idler shaft (2).
Support idler gear (1). Tighten Tooling (A) evenly. Remove idler shaft (2) from the front housing.
Remove idler gear (1) from the front housing.
Illustration 2 g03811821
Remove O-ring seals (3) from idler shaft (2).
Illustration 3 g03811830Note: 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 necessary, remove bearing (4) from idler gear (1).
Illustration 4 g03811842
Remove thrust washer (5) from the front housing.