3512E Engines Caterpillar

Removal Procedure

Start By:

1. Remove oil pan.

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Illustration 1	g06040638

1. Remove bolts (1) and clamps (2).
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   Illustration 2	g06040711

2. Remove bolts (5), housing (4), and tube assembly (3).
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   Illustration 3	g06040740

3. Remove bolts (6) and engine oil scavenge pump (7).
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   Illustration 4	g06040810

4. Remove bolts (8) and elbow (10).

5. Remove bolts (9) and pump cover (11).
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   Illustration 5	g06040847

6. Remove bolt (12) and drive gear (13).
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   Illustration 6	g06040916

7. Remove drive shaft (14) and idler shaft (15).

Installation Procedure

1. Install engine oil scavenge pump (7) in the reverse order of removal.

   Note: Before running engine oil scavenge pump (7) lubricate pump with clean engine oil.

   1. Use a suitable press to apply 8680 ± 222 N (1951 ± 50 lb) to press drive gear (13) onto drive shaft (14).

   2. Tighten bolt (12) to a torque of 100 ± 20 N·m (74 ± 15 lb ft).

   3. Use a suitable press to reapply 8680 ± 222 N (1951 ± 50 lb) to drive gear (13).

   4. Retighten bolt (12) to a torque of 100 ± 20 N·m (74 ± 15 lb ft).

   5. Tighten bolts (6) to a torque of 50 ± 10 N·m (37 ± 7 lb ft).

   6. Lightly lubricate the bore of tube assembly (3) with the fluid that is being sealed.