INSERT-VALVE SEAT 2729813 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 207-5034(1) Stud Tensioner Tool Gp 1
301-5215(2) Stud Tensioner Tool Gp 1
B 8T-0820 Hydraulic Pressure Gauge 1
3S-6224(3) Electric Hydraulic Pump 1
8S-8033(3) Electric Hydraulic Pump 1
9U-6600(3) Hand Hydraulic Pump 1
8T-3035 Hydraulic Line 1
C 126-6918(4)
or
126-6919(5) Lifting Bracket 1
126-6920 Handle Rod 1
5D-1972 Bolt 2
D 229-3639 Overhaul Protection Gp 1
E 126-6920 Handle Rod 1
(1) Operating pressure is 40000 1520 kPa (5800 220 psi).
(2) Operating pressure is 125000 4920 kPa (18130 715 psi).
(3) There are three pumps that are listed in the tool chart. Any one of the pumps may be used for this procedure.
(4) Use with V-engines
(5) Use with In-line enginesStart By:
Remove the exhaust manifold shields. Refer to Disassembly and Assembly, "Exhaust Manifold Shield - Remove and Install".
Remove the fuel injector. Refer to Disassembly and Assembly, "Fuel Injector - Remove".
If necessary, remove the engine lifting bracket. Refer to Disassembly and Assembly, "Engine Lifting Bracket - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Make sure that the starting system is disabled.Note: Tooling (D) provides all the protective covers and plugs for one cylinder. Use these protective covers in order to maximize the protection during these procedures.
Illustration 1 g00639819
Illustration 2 g01337104
Personal injury or death can result from the engine starting.The engine can start and injure persons working on or near the engine.Be sure the engine cannot be started while service work is being performed. This is very important when the engine is equipped with an Automatic Start Stop System.On engines equipped with an air starting system, close the air supply valve to the air starting motor before service work is begun.
Drain the coolant to a level that is below the cylinder heads into a suitable container for storage or disposal. Refer to Operation and Maintenance Manual, "Cooling System Coolant (ELC) - Change".
Illustration 3 g01337117
Remove water manifold segment (2) in order for the cylinder head to be removed.
Remove exhaust manifold section (1) in order for the cylinder head to be removed.
Illustration 4 g00639824
Disconnect rod assembly (4) from lever (3).
Illustration 5 g00639825
Remove oil supply tube assembly (5).
Illustration 6 g00639827
Use the proper procedure in order to apply tension to the cylinder head studs. Failure to follow the correct procedure will result in damage to the cylinder head assembly and the cylinder block assembly.
Note: Tooling (A) has a guard that is not used in the photo.
Place pedestals (9) over the cylinder head nuts. These pedestals are a part of Tooling (A).
Place hydraulic cylinders (8) over the pedestals. These cylinders are a part of Tooling (A).
Attach Tooling (B) to Tooling (A).
Install collars (6). Tighten these collars with a ratchet lever (1/2 inch drive). These collars are a part of Tooling (A).
Loosen the collars to 1 1/2 turns.
Personal injury can result from oil under high pressure.DO NOT allow high pressure oil to contact skin.Wear appropriate protective equipment while working with high pressure oil systems.
Note: The stud tensioner tool groups in Tooling (A) require