KIT-FRONT 1U0546 - Caterpillar

Removal Procedure
Start By:
Remove the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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.
Illustration 1 g01022184
Remove bolts (1) and lifter assembly (2). The lifter assembly can be removed in two sections.
Illustration 2 g01022187
Remove the following items from the right end of lifter shaft (5) : bracket assembly (6), valve lifters (8) and unit injector lifter (9) .
Remove the following items from the middle of lifter shaft (5) : valve lifters (8) and unit injector lifter (9) .
Remove the following items from the left end of lifter shaft (5) : bracket assembly (7), valve lifters (8) and unit injector lifter (9) .
Remove dowel (4) and cap plug (3) from lifter shaft (5) .
Remove the spring pin from bracket assembly (7), if necessary.
Remove dowel (10) from bracket assembly (6), if necessary.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01022187
Install the spring pin and dowel (10) in bracket assembly (6). Install the spring pin and the dowel in bracket assembly (7) .
Install dowel (4) and cap plug (3) in lifter shaft (5). Lubricate the lifter shaft with clean engine oil prior to assembly.
Install the following items on the left end of lifter shaft (5) : bracket assembly (7), valve lifters (8) and unit injector lifter (9) .
Install the following items on the middle of lifter shaft (5) : valve lifters (8) and unit injector lifter (9) .
Install the following items on the right end of lifter shaft (5) : bracket assembly (6), valve lifters (8) and unit injector lifter (9) .
Illustration 4 g01022184
Note: Immerse the entire lifter assembly in clean engine oil prior to installation on the engine.
Place the lifter assembly (2) on the engine and install bolts (1). Tighten the bolts to a torque of 30 3 N m (22 2 lb ft).End By: Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".