BEARING-NEEDLE 3347444 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2 Start By:
Remove the rocker shaft assemblies and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Push Rod - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Note: Repeat the procedure for each cylinder head.
Drain the coolant from the cooling system into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".
Illustration 1 g00585022
Typical example
Remove bolts (3) from valve cover base (2).
Remove valve cover base (3) from cylinder head (1).
Illustration 2 g00585024
Typical example
Remove bolts (6) from air inlet elbow (5).
Remove bolts (4) from exhaust elbow (7).
Illustration 3 g01254926
Typical example
Disconnect exhaust temperature sensor (8).
Remove bolts (10) from tube (9) that runs from the water manifold to cylinder head (1). There are also bolts on the top of tube (9).
Attach Tooling (A) and a suitable lifting device to cylinder head (1). The weight of cylinder head (1) is approximately 47 kg (105 lb). Use the holes for the bolts that hold the valve cover base.
Remove bolts (11) and bolts (12) from cylinder head (1).
Remove cylinder head (1) from the engine.
Illustration 4 g00585028
Typical example
Remove cylinder head gasket (13).