PLUNGER AS-BALL 4W0334 - Caterpillar

Removal Procedure
Start by:a. Connect the Steering Frame Lock.b. Release the System Pressure.c. Remove the power train Guard (Transmission).
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, NENG2500, "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.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. To prevent fluid loss and To keep contaminants from entering the system.
Illustration 1 g06019457
Disconnect hose assemblies (1) to gain access to the relief valve.
Illustration 2 g06019453
Disconnect hose assembly (5) from relief valve (4).
Disconnect harness assembly (2) from relief valve (4).
Remove bolts (3).
Remove relief valve (4).Installation Procedure
Install relief valve (4) in the reverse order of removal.