SPOOL 3G3909 - Caterpillar

Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Gp 1
B 156-7100 Slide Hammer Puller Gp 1 Start By:
Remove the engine oil pump. Refer to the Disassembly and Assembly Manual, "Engine Oil Pump - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01005273
Remove adapter (1).
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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 cover (2). Remove gasket (3), spring (4), and valve spool (5).
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Remove cover assembly (6) and the gasket.
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Remove cover assembly (7).
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Use Tooling (A) in order to remove bearings (8) from cover assembly (7).
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Remove shaft assemblies (10) from body (9).
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Use Tooling (A) in order to remove two of the three bearings (11) from body (9).
Use Tooling (B) in order to remove the remaining bearing.