0440159 EVINRUDE CYLINDER HEAD & SEAT ASSY.

Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7576     Link Bracket     1    
B     6V-6146     Load Leveling Beam     1    Start By:
Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install" for the machine that is being serviced.
Remove the front and rear hood panels. Refer to Disassembly and Assembly, "Hood Panels (Front and Rear) - Remove" for the machine that is being serviced.
Remove the hood and engine enclosure. Refer to Disassembly and Assembly, "Hood and Engine Enclosure - Remove" for the machine that is being serviced.
Remove the input drive shaft. Refer to Disassembly and Assembly, "Input Drive Shaft - Remove and Install" for the machine that is being serviced.
Remove the power train guard. Refer to Disassembly and Assembly, "Power Train Guard (Transmission) - Remove and Install" for the machine that is being serviced.
Remove the implement piston pump. Refer to Disassembly and Assembly, "Piston Pump (Implement) - Remove" for the machine that is being serviced.
Remove the steering pump. Refer to Disassembly and Assembly, "Piston Pump (Steering) - Remove" for the machine that is being serviced.
Remove the pump for pilot and braking. Refer to Disassembly and Assembly, "Gear Pump (Pilot and Braking) - Remove" for the machine that is being serviced.
Remove the axle oil cooler pump. Refer to Disassembly and Assembly, "Gear Pump (Axle Oil Cooler) - Remove and Install" for the machine that is being serviced.
Hot engine components can cause injury from burns. Before performing maintenance on the engine, allow the engine and the components to cool.
Effective July 1, 1992 regulations prohibit the venting of any refrigerant into the atmosphere. Refer to Caterpillar publications Service Manuals, SENR3334, SENR5664, and NEDG5065 for the proper procedure, the proper equipment, and the proper tools needed in order to reclaim refrigerant from any Caterpillar equipment.
Personal injury can result from contact with refrigerant.Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area.Personal injury or death can result from inhaling refrigerant through a lit cigarette.Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Cap all lines, all hoses, and all tubes and plug all lines, all hoses, and all tubes. This will help to prevent fluid loss and this will help to keep contaminants from entering the system.
Move the machine to a smooth, level surface.
Engage the parking brake.
Drain the oil from the transmission into a suitable container for storage or for disposal. The capacity of the transmission is 70 L (18.5 US gal).
Drain the implement hydraulic tank into a suitable container for storage or for disposal. The capacity of the implement hydraulic tank is 380 L (100 US gal).
Drain the coolant from the cooling system into a suitable container for storage or for disposal. The capacity of the cooling system is 135 L (35 US gal).
Recover the air conditioner refrigerant from the air conditioner system. Refer to Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Special Publication, NEDG5065, "Air Conditioning Tools" for the correct tools.
Illustration 1 g00635646
Remove two bolts (1) from lower front panel assembly (2) .
Illustration 2 g00635647
Remove bolt (3) from bracket (4) .
Illustration 3 g00635648
Remove bolt (5) and the clamp.
Illustration 4 g00635649
Remove two bolts (6) and (7) .
Remove lower front panel assembly (2) .