C175-16 Marine Engine Caterpillar

Removal Procedure

Start By:

1. Remove the electronic unit injector.

2. Remove the rocker shaft and pushrods.

Show/hide table

NOTICE
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, "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.

1. Drain the coolant from the cooling system into a suitable container for storage or for disposal. Operation and Maintenance Manual, "Cooling System Coolant - Change".
   Show/hide table

   Illustration 1	g01850908

   Note: The electronic unit injector sleeve is a threaded joint.

2. Install Tooling (A) into the electronic unit injector sleeve.

3. Remove the electronic unit injector sleeve.

Installation Procedure

1. Thoroughly clean the bore in the cylinder for the electronic unit injector sleeve.
   Show/hide table

   Illustration 2	g02643976

   Show/hide table

   Illustration 3	g01850908

2. Install new O-ring seals (1) on electronic unit injector sleeve (2). Apply clean engine oil on O-ring seals (1). Apply a light coat of Tooling (B) to Area (X) and install.

3. Install Tooling (A) into electronic unit injector sleeve (2). Hand tighten electronic unit injector sleeve (2) until electronic unit injector sleeve (2) is seated in the cylinder head. Tighten electronic unit injector sleeve (2) to a torque of 120 ± 10 N·m (89 ± 7 lb ft).

4. Remove Tooling (A) from electronic unit injector sleeve (2).

5. Fill the cooling system with coolant. Refer to Operation and Maintenance Manual, "Cooling System Coolant - Change".

End By:

1. Install the rocker shaft and pushrods.

2. Install the electronic unit injector.