879150006 Mercruiser HOUSING ASSEMBLY, With Housing and Seal

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 cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.Cooling System Coolant Additive 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, 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.
Position a suitable container under the drain valve for the right side of the radiator in order to contain the coolant for storage or disposal. Drain approximately 397 L (105 US gal) of coolant from the right side of the radiator. Refer to Operation and Maintenance Manual, SEBU7173, "Cooling System Coolant (ELC) - Change" for the correct procedure.
Drain the hydraulic tank. Refer to Operation and Maintenance Manual, SEBU7173, "Hoist, Torque Converter, and Brake Tank Oil - Change" for the correct procedure.
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 help to prevent dirt from entering the internal mechanism.
Illustration 1 g00581167
Put identification marks on four bolts (2) prior to removal for installation purposes. Remove four bolts (2) and the washers that hold screen assembly (1) to oil cooler core (3). Remove screen assembly (1) and the O-ring seal (not shown) from oil cooler core (3).
Illustration 2 g00581171
Disconnect two hose assemblies (4) and (5) from bonnet (6).
Illustration 3 g00581193
Put identification marks on two bolts (8) prior to removal for installation purposes. Remove two bolts (8), the washers, and the retainers that hold elbow (10) to tube assembly (9). Remove four bolts (11) that hold elbow (10) to bonnet (6).
Remove bolt (7), the washer, and the nut that holds bracket (12) to the clip. Remove bolt (13) and the washer that holds bracket (12) to bonnet (6). Remove bracket (12) from bonnet (6).
Illustration 4 g00581194
Remove O-ring seal (16) and the retaining ring from tube assembly (9). Remove gasket (17) from bonnet (6).
Remove hose assembly (18) from screen assemblies (14) and (15).
Illustration 5 g00581195
Remove four bolts (19) and the washers that hold screen assembly (15) to oil cooler core (3). Remove screen assembly (15) and the O-ring seal (not shown) from oil cooler core (3).
Illustration 6 g00581196
Disconnect hose assembly (20) from oil cooler core (21).
Illustration 7 g00581198
Remove tube assembly (22) from bonnet (23) and bonnet (24).
Illustration 8 g00581199
Position a suitable lifting sling around oil cooler core (21), as shown. Secure the lifting sling to a hoist.
Illustration 9 g00581201
Remove bolt (25) and the washer from bracket (26). Remove two bolts (27) and the washers that hold plate (28) to bonnets (23) and (29). Remove plate (28) from bonnets (23) and (29).
Illustration 10 g00581202