STRIKER 2095528 - Caterpillar

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Remove access covers (1) from each side of the engine.
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Push valve lifters (2) away from the camshaft. Hold valve lifters (2) in position with the O-ring seal.
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Remove the bolts and cover (4) from the front housing.
Remove the bolts and cover (3) from the front housing.
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Disconnect harness assembly (X) and remove the bolts from cover (5) .
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Remove cover (6) for the camshaft drive gears from the flywheel housing.
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Remove the bolt and plate (7) that fastens camshaft drive gear (8) to the camshaft.
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Place the three washers from Tooling (B) behind plate (7) and install the bolt.
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 (B) on camshaft drive gear (8). Apply 51675 kPa (7500 psi) to the puller and hit the screw on the puller with a hammer until camshaft drive gear (8) is free from the camshaft. Remove Tooling (B) and camshaft drive gear (8) .
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Remove bolts (9) and thrust washers (10) that fasten the camshaft to the right side of the engine block.
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Remove timing ring (11) from the camshaft on the left side of the engine.
Repeat Steps 7 through 11 for the camshaft drive gear on the left side of the engine.
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Typical example
Install Tooling (C) on each end of the camshaft.Note: Tooling (D) can be installed on the flywheel housing in order to remove the camshaft from the rear. Tooling (D) can also be installed on the front housing in order to remove the camshaft from the front of the engine.
Install Tooling (D) on the flywheel housing.
Install Tooling (E) on the end of Tooling (C) .Note: The camshafts for G3512, G3516, and G3520 Engines are in two pieces.
The following steps are for G3512, G3516 and G3520 Engines.
Rotate the camshaft with Tooling (E). Pull the camshaft out of the engine until a suitable lifting device can be attached. Remove front camshaft (12) and rear camshaft (13) as a unit. The camshaft for G3512 Engines has a weight of approximately 63 kg (139 lb). The camshaft for G3516 Engines has a weight of approximately 82 kg (181 lb). The camshaft for G3520 Engines has a weight of approximately 100 kg (220 lb).
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Remove bolts (14). Separate the camshafts and remove spacer (15) .
Remove the dowel from the front of the camshaft, if necessary.
Repeat Steps 14 through 18 for the second camshaft.