18701A 1 Mercury SEAL KIT, BOTTOM COWLS

Introduction
This Special Instruction provides the procedure for installation of the engine cooling fan bypass attachments. The engine cooling fan bypass attachment reduces the engine cooling fan speed during extended idle conditions in cold weather ambient temperatures.Note: Each section contains the related parts list.After assembly is complete, prepare the machine for service.Read the information and understand the information in this publication before you perform any procedures.Safety
Do not attempt to assemble this machine until you have read and understand the assembly instructions. Improper procedures could result in injury or death.
Personal injury or death can result from fumes, gases and ultraviolet rays from the weld arc.Welding can cause fumes, burn skin and produce ultraviolet rays.Keep your head out of the fumes. Use ventilation, exhaust at the arc, or both, to keep fumes and gases from your breathing area. Wear eye, ear and body protection before working.Protect yourself and others; read and understand this warning. Fumes and gases can be dangerous to your health. Ultraviolet rays from the weld arc can injure eyes and burn skin. Electric shock can cause death.Read and understand the manufacturer's instructions and your employer's safety practices. Do not touch live electrical parts.
Personal injury can result from flame cutting or welding on painted areas.The effect of gasses from burned paint is a hazard to the person doing the cutting or welding.Do not flame cut or weld on painted areas.
Do not let any dirt or foreign material get into the hydraulic system during assembly or maintenance operation. Keep the oil in the hydraulic system at the correct level to prevent pump cavitation.
Required Parts
Software
Table 1
Software Required    
422-8381     Engine Ratings Electronic Software Gp    Required Parts
Table 2
399-3120 Control Manifold and Mounting Gp    
Qty    Pt. No.    Description    
2     2M-9780     O-Ring Seal    
2     3D-2824     O-Ring Seal    
1     4P-7428     Clip    
1     6V-8629     Elbow    
1     6V-8642     Connector    
1     6V-9007     Elbow    
3     6V-9746     O-Ring Seal    
1     7J-9108     O-Ring Seal    
5     7K-1181     Cable Strap    
1     8T-1718     Elbow    
2     8T-4224     Hard Washer    
2     8T-6869     Bolt    
2     290-5562     Mount    
1     341-0103     Connector    
1     373-6242     Bracket As    
1     383-2632     Wiring Harness    
1     388-5493     Control Manifold Gp    
1     399-3119     Tube As    
2     8T-4121     Hard Washer    
2     8T-4137     Bolt    Removal
Make sure that the tractor is de-energized and the battery disconnect switch is in the OFF position.
Use proper tooling to draw a vacuum in the hydraulic tank.
Illustration 1 g03190360
Open the left-hand engine enclosure door and remove the vertical panel that is directly behind the door.
Illustration 2 g03190778
Remove the front and middle bottom guards from the tractor. Refer to Disassembly and Assembly, KENR5612, "Bottom Guard - Remove and Install".