COLLAR 7B5770 - Caterpillar

Removal Procedure
Start By:
Install the body retaining pins. Refer to Disassembly and Assembly, "Pin (Body Retaining) - Remove and Install".
Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.
Personal injury can result from hot coolant, steam and alkali.At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.
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.
Note: Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will prevent dirt from entering the internal mechanism.
Illustration 1 g00712163
Position a suitable container below the radiator in order to contain the coolant for storage or for disposal. Drain the coolant from the radiator to a level below brake oil cooler (1). Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Illustration 2 g00649982
Label all of the hose assemblies for installation purposes. Position a suitable container below the brake oil cooler in order to contain the oil for storage or for disposal. Disconnect hose assemblies (2), (4), (5), and (6) from tube assembly (3). Note: Hose assemblies (2) and (4) are only present on machines that are equipped with oil cooled brakes for the front wheels.
Illustration 3 g00712220
Illustration 4 g00649983
Remove bolts (8) that hold diverter valve (7) to brake oil cooler (1). Remove bolts (9) that hold elbow (10) to brake oil cooler (1). Remove diverter valve (7), tube assembly (3), and elbow (10) from brake oil cooler (1).
Illustration 5 g00649984
Remove bolts (14) and disconnect elbow (13) from the brake oil cooler. Remove the gasket from elbow (13).
Remove bolts (11) that hold bracket (12) to the frame assembly.
Illustration 6 g00649985
Illustration 7 g00649986
Position a suitable lifting device around brake oil cooler (1). Remove bolts (15) and remove bonnet (16) from brake oil cooler (1). Remove the gasket from bonnet (16).
Remove bolts (18) and remove bonnet (17) from brake oil cooler (1). Remove the gasket from bonnet (17).
Remove brake oil cooler (1) from the machine. The weight of the brake oil cooler is approximately 50 kg (110 lb).