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CARRIAGE 3C8735 - Caterpillar

3C8735 CARRIAGE Caterpillar parts
Alternative (cross code) number:
Caterpillar 3C8735 CARRIAGE
Weight: 0.01 pounds 0 kg.

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Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 459-4664 Valve Spring Compressor 1 Start By:
Remove the electronic unit injector. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
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.
Illustration 1 g01206603
Illustration 2 g01207146
Install Tooling (A) into the hole for the electronic unit injector. Refer to Illustration 2. Refer to the Tool Operating Manual, NEHS1205.
Illustration 3 g01851274
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.
Install the plate of Tooling (A) onto the valve springs. Refer to Illustration 3. Install the nut onto the stud. Tighten the nut to compress valve springs (2). Remove retainer locks (1).
Illustration 4 g01206605
Remove Tooling (A). Remove rotocoil (3), outer spring (4), inner spring (5), valve seal (6), retainer (7), and valve (8).Installation Procedure
Illustration 5 g01206605
Install valve (8), retainer (7), valve seal (6), inner spring (5), outer spring (4), and rotocoil (3).
Illustration 6 g01206603
Illustration 7 g01228542
Illustration 8 g01851274
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Use Tooling (A) to compress valve springs (2). Install retainer locks (1). Release the tension on valve springs (2). Remove Tooling (A). Install a screwdriver into the hole for the injector. Slowly rotate the engine until the piston is approximately 25 mm (1.00 inch) below top dead center. Lightly strike the tops of the valves with a soft faced hammer to ensure that retainer locks (1) are properly seated.End By:
Install the cylinder head. Refer to Disassembly and Assembly, "Cylinder Head - Install".
Install the electronic unit injector. Refer to Disassembly and Assembly, "Electronic Unit Injector - Install".

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