0446493 EVINRUDE GASKET, Cylinder head

Table 1
Required Tools
Tool Part
Number Part Description Qty
A 185-3630 Strap Wrench As 1 Start By:
Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
Remove the engine bottom guard. Refer to Disassembly and Assembly, "Bottom Guard (Engine) - Remove and Install"
Remove the transmission bottom guard. Refer to Disassembly and Assembly, "Bottom Guard (Transmission) - Remove and Install" Note: 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.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. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
At operating temperature, the engine coolant is hot and under pressure.Steam can cause personal injury.Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand.Remove the fill cap slowly to relieve pressure.Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.
Hot oil and components can cause personal injury.Do not allow hot oil or components to contact skin.
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.
Drain the coolant from the cooling system into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Capacities (Refill)" for the capacity of the cooling system. Refer to Operation and Maintenance Manual, "Cooling System Coolant (DEAC) - Change" or Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Drain the hydraulic tank into a suitable container for storage or for disposal. Refer to Operation and Maintenance Manual, "Capacities (Refill)" for the capacity of the hydraulic tank. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for the proper draining procedure.
Illustration 1 g01440997
Remove clip (1).
Illustration 2 g01440992
Cut cable strap (3). Disconnect harness assemblies (4), (5), (7) and (2). Remove two bolts (6) and the two clips. Position filter base (8) out of the way.
Illustration 3 g01441000
Use Tooling (A) in order to remove filter assemblies (9).
Illustration 4 g01441001
Remove two clips (12). Disconnect hose assembly (11) (if equipped). Remove clip (13) and tube assembly (10). Remove bolt (14) and disconnect dipstick tube (15).
Illustration 5 g01441002
Disconnect tube assemblies (19) and (20) from the engine. Remove three bolts (16) and four bolts (17). Remove filter base (18).
Illustration 6 g01441081
Remove plug (21) from the power train oil cooler. Drain the coolant from the cooling system into a suitable container for storage or disposal. Install plug (21).
Illustration 7 g01441080
Remove four bolts (22) and bracket (23).
Illustration 8 g01441083
Remove six bolts (24).