NOZZLE TIP ASSEM. 5I7713 - Caterpillar

Removal Procedure - Cylinder Head On Engine
Table 1
Required Tools
Tool Part Number Part Description Qty
A 459-4664 Valve Spring Compressor 1
B 279-3473 Barring and Mounting Gp 1 Start By:
Remove valve cover.
Use Tooling (B) to rotate the engine so that the piston beneath the cylinder head being serviced is at top dead center.Note: If the piston is not at top dead center, valves may drop down into the cylinder.
Illustration 1 g03494677
Remove bolts (1) and rocker shaft assembly (2).
Illustration 2 g03496361
Illustration 3 g03495719
Install Tooling (A) into the hole for the electronic unit injector. Refer to the Tool Operating Manual, NEHS1205.
Illustration 4 g03496856
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. Install the nut onto the stud. Tighten the nut to compress valve springs (2). Remove retainer locks (1).
Illustration 5 g01298522
Remove Tooling (A). Remove rotocoil (3), outer spring (4), and inner spring (5).
Repeat Step 5 for the remaining valve springs.Removal Procedure - Cylinder Head Off Engine
Table 2
Required Tools
Tool Part Number Part Description Qty
A 333-0758 Valve Spring Compressor 1 Start By:
Remove the cylinder head.
Illustration 6 g03500636
Illustration 7 g01207146
Install Tooling (A) into the hole for the electronic unit injector. Refer to Illustration 7.
Illustration 8 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. Install the nut onto the stud. Tighten the nut to compress valve springs (2). Remove retainer locks (1).
Illustration 9 g01298522
Remove Tooling (A). Remove rotocoil (3), outer spring (4), and inner spring (5).
Repeat Step 3 for the remaining valve springs.Installation Procedure
Illustration 10 g01298522
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.
Install inner spring (5), outer spring (4), and rotocoil (3).
Illustration 11 g01851274
Use Tooling (A) to compress valve springs (2). Install retainer locks (1). Release the tension on valve springs (2). Remove Tooling (A).
Repeat Steps 1 through 2 for the remaining valve springs.End By:
Install the cylinder head.