3116 and 3126 Truck Engines Engine Oil Pump – Assemble

Assembly Procedure
Note: For information on the reusability of the engine oil pump, refer to Guideline For Reusable Parts And Salvage Operations, SEBF8167, “Reconditioning Procedures 3114 and 3116 Engines”.

Ensure that all of the parts of the engine oil pump are thoroughly clean prior to assembly.

Note: Lubricate all internal parts of the engine oil pump with clean engine oil.

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Install oil pressure relief plunger (13) and spring (14) in oil pump body assembly (7). Install the washer and the bolt.

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Install shaft assembly (12) in oil pump body (9) .

Install shaft assembly (11) in oil pump body (9) .

Position oil pump body (9) on oil pump body assembly (7) and install bolts (10) .

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Press drive gear (8) on shaft assembly (11) until drive gear (8) is flush with the end of shaft assembly (11) .

Install oil pump shaft (6). Install the bearing in idler gear (5) with Tooling (A). Install the bearing so the distance between the hub bolt face of idler gear (5) and the bearing is 0.75 ± 0.25 mm (0.030 ± 0.010 inch).

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Install idler gear (5) on oil pump shaft (6). Install washer (4) and bolt (3). Tighten bolt (3) to 70 ± 15 N·m (52 ± 11 lb ft).

Illustration 6 g00614664

Check the condition of the gasket that is used in tube assembly for the pickup of oil (2). If the gasket is damaged, replace the gasket. Install the gasket and tube assembly for the pickup of oil (2) .

Check the condition of the O-ring seal that is used in outlet elbow (1). If the O-ring seal is damaged, replace the O-ring seal. Install the O-ring seal and outlet elbow (1) .

End By: Install the engine oil pump. Refer to Disassembly and Assembly, “Engine Oil Pump – Install”.

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