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MAST AS- 3C8290 - Caterpillar

3C8290 MAST AS- Caterpillar parts
Alternative (cross code) number:
Caterpillar 3C8290 MAST AS-
Weight: 0.54 pounds 0 kg.

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Removal Procedure
Start By:
Remove the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Remove the front cover.
Turn the crankshaft to top center compression stroke for the No. 1 piston. Refer to Testing and Adjusting, "Finding Top Center Position for No. 1 Piston".
Illustration 1 g00987503
Illustration 2 g00987512
Ensure that the timing marks on camshaft drive gear (1), the idler gear, and the crankshaft gear are aligned.
Wire the valve lifters away from the camshaft.
Remove bolts (2) and thrust plate (3) .
Remove camshaft (4) from the cylinder block.

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