866124T04 Mercruiser MODULE ASSEMBLY, ECM

Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7574     Link Bracket     1    
138-7575 Link Bracket     1    
ZZ     6V-9507     Face Seal Plug (9/16 - 18 THD)     1    
6V-9828 Cap Assembly (9/16 - 18 THD)     1    
6V-9508 Face Seal Plug (11/16 - 16 THD)     2    
6V-9829 Cap Assembly (11/16 - 16 THD)     2    
6V-9509 Face Seal Plug (13/16 - 16 THD)     1    
6V-9830 Cap Assembly (13/16 - 16 THD)     1    
6V-9511 Face Seal Plug (1 3/16 - 12 THD)     2    
6V-9832 Cap Assembly (1 3/16 - 12 THD)     2    
6V-9512 Face Seal Plug (1 7/16 - 12 THD)     1    
6V-9833 Cap Assembly (1 7/16 - 12 THD)     1    Start By:
Remove the engine enclosure. Refer to Disassembly and Assembly, "Engine Enclosure (Hood) - Remove and Install".
Remove the air cleaner. Refer to Disassembly and Assembly, "Air Cleaner - Remove and Install".
Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
Remove the electric starting motor. Refer to Disassembly and Assembly, "Electric Starting Motor - Remove and Install".
Tilt the cab.Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the system.
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, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Disconnect batteries before performance of any service work.
Drain the radiator into a suitable container. The capacity of the radiator is approximately 30 L (8 US gal). Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Illustration 1 g01106687
Loosen the clamp and disconnect hose (1) from radiator (2) .
Illustration 2 g01106688
Remove the bolt and clamp (3) .
Remove bolts (4). Move air pressure regulator (5) out of the way.
Illustration 3 g01106693
Remove bolts (6) and shroud assembly (7) .
Illustration 4 g01106695
Loosen bolts (9) on top of fuel filter assembly (8) .
Remove nut (10) from the end of propel cable (12) .
Loosen jam nut (11) and move propel cable (12) out of the way.
Illustration 5 g01106707
Remove the bolts, the spacer plate, and valve (13) from support (14) .
Illustration 6 g01106737
Attach a suitable lifting device to support (14). Remove bolts (15) and support (14). The weight of suppo