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MAST AR 3C8024 - Caterpillar

3C8024 MAST AR Caterpillar parts
Alternative (cross code) number:
Caterpillar 3C8024 MAST AR
Weight: 0.01 pounds 0 kg.

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Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Gp 1
B 1P-2320 Combination Puller 1 Start By:
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - 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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01271408
Remove the bolts from tube assembly for pickup tube (1), and the gasket from the engine oil pump. Remove the bolts and outlet elbow (2) from the engine oil pump.
Illustration 2 g01271410
Remove bolt (3), the washer, and idler gear (4) from the engine oil pump.
Use Tooling (A) and a suitable press in order to remove the bearing from idler gear (4).
Remove shaft (5) of engine oil pump from oil pump body assembly (7).
Use Tooling (B) to remove drive gear (6).
Illustration 3 g01172656
Remove bolts (10). Separate oil pump body (9) from oil pump body assembly (7).
Before removing the drive shaft from the pump housing, be sure that no burrs exist on the drive shaft. If the drive shaft has burrs on it, the bores in the pump housing may be scratched.
Remove shaft assembly (8) and shaft assembly (11) from oil pump body (9).
Illustration 4 g01271413
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Remove the following items from oil pump body assembly (7): oil plug (14), spring (13) and oil pressure relief plunger (12).

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