3512B Generator Set Engine Caterpillar

Camshaft - Remove

Usage:

Removal Procedure

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Table 1
Required Tools
Tool	Part Number	Part Description	Qty
A	1P-0820	Hydraulic Puller	1
	8B-7548	Push-Puller Tool Group	1
	8B-7559	Adapter	2
	8B-7561	Step Plate	1
	5H-1504	Hard Washer	3
	9U-6600	Hand Hydraulic Pump	1
B	125-0200	Camshaft Pilot As	2
C	125-0201	Camshaft Guide As	1
D	8T-3169	Crank Assembly	1

Start By:

Remove the rocker shaft assemblies and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Remove the electronic control module in order to remove the camshaft from the left-hand side of the engine. Refer to Disassembly and Assembly, "Electronic Control Module (Engine) - Remove and Install".

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NOTICE

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

Note: The following procedure is for removing the camshaft from the left-hand side of the engine.

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Illustration 1	g01122149

Remove camshaft covers (1).
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Illustration 2 g01157699
Remove cover (2) from the front housing.
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Illustration 3 g01122147
Push valve lifters (3) away from the camshaft. Hold the valve lifters in position with O-ring seals.
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Illustration 4 g01122151
Remove cover (4) from the flywheel housing. Remove speed/timing sensor (5) from the flywheel housing.
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Illustration 5 g01122250
Remove bolt (6). Remove ring (7).
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Illustration 6 g01122265

Place the three washers from Tooling (A) behind plate (9) and install bolt (6).

Note: Plate (9) must be installed in order to keep camshaft drive gear (8) on the camshaft during the removal procedure. Plate (9) can be used from the right-hand camshaft drive gear. If necessary, fabricate a plate that has a diameter of 76 mm (3.0 inch). The thickness of the plate must be 19.00 mm (0.750 inch) thick. Drill a hole 22.00 mm (0.875 inch) in the center of the plate.

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Illustration 7	g01122324

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NOTICE

Do not apply more than 51675 kPa (7500 psi) pressure to the hydraulic puller. The adapters are rated at 6 1/2 tons each and the hydraulic puller is rated at 17 tons at 68900 kPa (10000 psi). If too much pressure is applied, the gear may be damaged.

Install Tooling (A) on camshaft drive gear (8). Apply 51675 kPa (7500 psi) to the puller. Strike the screw on the puller with a hammer until camshaft drive gear (8) is free from the camshaft. Remove Tooling (A) from the camshaft drive gear. Remove the camshaft drive gear from the camshaft.
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Illustration 8 g01122334
Remove bolts (11) and thrust washer (10).
Remove bolts (12) from the front housing.
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Illustration 9 g01122335
Install Tooling (B) onto both ends of the camshaft.
Install Tooling (C) on the front housing.
Note: Tooling (C) can be installed on the flywheel housing in order to remove the camshaft from the rear.
Install Tooling (D) on the end of Tooling (B).