ADAPTER-EXPANSION TANK 7W4111 - Caterpillar

Removal Procedure
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.
At operating temperature, the oil in the power train is hot and under pressure. Hot oil can cause burns. Remove the breather filter cap when the engine is stopped and the breather cap is cool enough to touch by hand.Slowly loosen the breather filter cap in order to release any pressure in the oil tank. Be careful of hot hydraulic oil when any lines are disconnected from the components of the power train.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00510364
Approximately 20 L (5.3 US gal) of oil must be collected when the hose assemblies are removed.
Remove four bolts (4), four washers, and split flange (5). Disconnect hose assembly (7). Remove O-ring seal (6).
Repeat Step 2 for remaining hose assembly (8).
Remove bypass switch (3) of the torque converter oil filter.
Use a suitable lifting device to support the weight of torque converter oil filter (1). The torque converter oil filter weighs approximately 27 kg (59.5 lb).
Remove four bolts (2), four washers, and torque converter oil filter (1).