22178 Mercury NUT, STEERING ARM BOLT FASTENING

Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7573 Link Bracket 2 Start By:
Install the wheel chocks. Refer to Disassembly and Assembly, "Wheel Chock (Front and Rear) - Remove and Install".
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 left side of the radiator in order to contain the coolant for storage or disposal. Drain approximately 132 L (35 US gal) of coolant from the left side of the radiator until the level is below the level of the aftercooler. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - 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.
Raise the front hood assembly and the rear hood assembly.
Illustration 1 g00563653
Loosen clamp (3) that holds elbow assembly (2) to the exhaust elbow. Remove elbow assembly (2) and pipe assembly (1). Repeat this procedure for the remaining elbow assembly and pipe assembly.
Illustration 2 g00563655
Disconnect hose assembly (4) from union tee (5).
Illustration 3 g00563656
Disconnect hose assembly (6) from union tee (7).
Illustration 4 g00563657
Disconnect hose assembly (9) from union tee (8).
Illustration 5 g00563658
Position a suitable lifting device (not shown) to platform assembly (10). Secure the lifting device to a hoist. Remove four bolts (11) and the washers that hold platform assembly (10) to the engine.
Remove platform assembly (10). The weight of platform assembly (10) is 53 kg (117 lb).
Illustration 6 g00563659
Remove two tube assemblies (12).
Illustration 7 g00563660
This is a view of the front air inlet cover.
Disconnect hose assembly (13) from each of the air inlet elbows. Remove two bolts (14) and the washers that hold plate assembly (15) to the air inlet elbows. Position plate assembly (15) and hose assembly (13) aside as a unit.
Illustration 8 g00563661
This is a view of the rear inlet air cover.
Disconnect hose assembly (18) from each of the air inlet elbows. Remove two bolts (16) and the washers that hold plate assembly (17) to the air inlet elbows. Position plate assembly (17) and hose assembly (18) aside as a unit.