8M0037978 Mercruiser BRACKET

Table 1
Required Tools
Tool Part Number Part Description Qty
A 4C-4032 Threadlock 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Lubricate the adjustment screw (1) with clean engine oil. Install the adjustment screw (1) and the nut (2) to the rocker arm (3). Repeat the process for the remaining rocker arms.
Illustration 1 g01124596
Typical example
Lubricate the rocker shaft (4) with clean engine oil. Position the end of the rocker shaft into the bore in the base of the rocker shaft (8). Align the hole (10) in the rocker shaft with the hole (9) in the base of the rocker shaft (8).
Gradually insert the rocker shaft (4) into the base of the rocker shaft (8). Install the rocker arm (3).
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Continue to insert the rocker shaft (4) and install the following components to the rocker shaft:
Rocker arm (3)
Washer (9)
Spring (10)
Washer (9)
Rocker arm (3)
Repeat Steps 4 and 3 in order to install the remaining components.
Apply 4C-4032 Threadlock to the first two threads of the setscrew (7). Install the setscrew (7) in the hole (9) in the base of the rocker shaft. Tighten the setscrew. Note: Ensure that no 4C-4032 Threadlock is allowed to contaminate the oil gallery in the rocker shaft.
Install a new O-ring (5) to the threaded plug (6).
Install the threaded plug (6) to the base of the rocker shaft (9). Tighten the plug to a torque of 15 N m (11 lb ft). End By:
Install the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install". Assembly Procedure (C1.5 and C2.2 engines)
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: The assembly procedure is similar for the three cylinder and the four cylinder engines. The illustration shows a four cylinder engine.
Lubricate the adjustment screw (1) with clean engine oil. Install the adjustment screw (1) and the nut (2) to the rocker arm (3). Repeat the process for the remaining rocker arms.
Illustration 2 g01113618
Typical example
Install a new O-ring (8) onto the rocker shaft (4). Lubricate the rocker shaft with clean engine oil.
Position the end of the rocker shaft (4) into the bore in the base of the rocker shaft (7). Align the recesses (5) on the rocker shaft with the holes (6) in the base of the rocker shaft (7).
Gradually insert the rocker shaft (4) into the base of the rocker shaft (7). Install the rocker arm (3).
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Continue to insert the rocker shaft (4) and install the following components to the rocker shaft:
Rocker arm (3)
Washer (9)
Spring (10)
Washer (9)
Rocker arm (3)
Repeat Steps 4 and 3 in order to install the remaining components.
Ensure that the rocker shaft (4) is fully engaged into the base of the rocker shaft (7). Check that the recesses (5) on the rocker shaft are aligned with the holes (6) in the base of the rocker shaft. End By:
Install the rocker shaft and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".