3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet and Exhaust Valve Springs

Inlet and Exhaust Valve Springs - Remove and Install

3044C Industrial Engine and Engines for Caterpillar Built Machines [RENR7582]

3044C Industrial Engine and Engines for Caterpillar Built Machines Turbocharger - Install

3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet and Exhaust Valves - Remove and Install

BASIC ENGINE

CYLINDER HEAD GP

3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet and Exhaust Valve Springs - Remove and Install

3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet and Exhaust Valves - Remove and Install

3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet and Exhaust Valve Guides - Remove and Install

3044C Industrial Engine and Engines for Caterpillar Built Machines Inlet and Exhaust Valve Seat Inserts - Remove and Install

3044C Industrial Engine and Engines for Caterpillar Built Machines Cylinder Head - Remove

3044C Industrial Engine and Engines for Caterpillar Built Machines Cylinder Head - Install

1.1. Removal Procedure

2.1. Installation Procedure

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	9U-6145	Air Connector ⁽¹⁾	1
B	-	Rod (M12 X 1.75 by 380 mm)	1
	9U-6144	Adapter As	1
	6V-8149	Nut	1
	5P-8245	Hard Washer	13
C	4C-8134	Seal Remover	1
C	1U-7600	Slide Hammer Puller Gp	1
D	8S-2263	Spring Tester	1

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^( 1 )

The 9U-6145 Air Connector is part of the 9U-6274 Compression Test Tool Gp. The 9U-6145 Air Connector can be ordered separately.

Start By:

Remove the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Remove the fuel injection nozzles. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Remove".

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

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Illustration 1	g01035126

Install Tooling (A). Install the bolt and bracket (2). Remove bolt (1) .
Note: Maintain air pressure in the cylinder that is being serviced until both of the valve springs are removed and installed.

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Illustration 2	g01035165

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Illustration 3	g01035176

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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.

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NOTICE

Ensure that the valve spring is compressed squarely or damage to the valve stem may occur.

Install Tooling (B). Use Tooling (B) to compress valve spring (3). Remove cap (4) and retainers (5) .

Release the pressure from Tooling (B) and remove Tooling (B). Remove retainer (6) .

If necessary, use Tooling (C) to remove seal (7) .

Use Tooling (D) to check the valve spring force. Refer to Specifications, "Cylinder Head Valves".

Repeat Steps 1 through 5 for the removal of the remaining valve springs.

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NOTICE

Do not turn the crankshaft while the valve springs are removed.

Installation Procedure

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Table 2
Required Tools
Tool	Part Number	Part Description	Qty
A	9U-6145	Air Connector ⁽¹⁾	1
B	-	Rod (M12 X 1.75 by 380 mm)	1
	9U-6144	Adapter As	1
	6V-8149	Nut	1
	5P-8245	Hard Washer	13
C	4C-6373	Seal Installer	1

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^( 1 )

The 9U-6145 Air Connector is part of the 9U-6274 Compression Test Tool Gp. The 9U-6145 Air Connector can be ordered separately.

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NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Keep Tooling (B) and an air hose attached in order to force air pressure into the cylinder. This will hold the valves in position while the inlet and exhaust valve springs are installed.
Note: Maintain air pressure in the cylinder that is being serviced until both of the valve springs are installed.

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Illustration 4	g01035176

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Illustration 5	g01035165

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The valve spring keepers can be thrown from the valve when the valve spring compressor is released. Ensure that the valve spring keepers are properly installed on the valve stem. To help prevent personal injury, keep away from the front of the valve spring keepers and valve springs during the installation of the valves.

If necessary, use Tooling (C) to install seal (7) .

Position valve spring (3). Position retainer (6) on spring (3) .

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NOTICE

Ensure that the valve spring is compressed squarely or damage to the valve stem may occur.

Install Tooling (B) and compress spring (3). Install retainers (5) and cap (4) .

Release the pressure and remove Tooling (B) .

Tap the top of the valve with a soft hammer in order to ensure that retainers (5) are properly installed.

Repeat Steps 1 through 6 in order to install the remaining valve springs.

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Illustration 6	g01035126

Remove the bolt and bracket (2). Remove Tooling (A) and install bolt (1). Tighten bolt (1) to a torque of 113 to 123 N·m (85 to 90 lb ft).

End By:

Install the fuel injection nozzles. Refer to Disassembly and Assembly, "Fuel Injection Nozzles - Install".
Install the rocker shaft assembly. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".