G3508J, G3516J, and G3520J Engines Caterpillar

Assembly Procedure

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Illustration 1	g00591547

1. Install the O-ring seals on the housing. Install cover (23) and bolts (22).

2. Install O-ring seal (25).

3. Install pin (24), if necessary. The pin must be 6.50 ± 1.00 mm (0.256 ± 0.040 inch) above the surface of the housing.
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   Illustration 2	g00591546

4. Install bypass valve (18) and spring (19).

5. Install O-ring seals (20) and (21).
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   Illustration 3	g01776558

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   Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

6. Install support (13), the bolts, and nuts (12). Tighten the nuts to a torque of 55 ± 7 N·m (41 ± 5 lb ft).

7. Install covers (15) and (17). Install bolts (14) and (16).
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   Illustration 4	g00591541

8. Install O-ring seal (11).

9. Install new pins (10) in the bypass valve housing, if necessary. The pins must be 6.50 ± 1.00 mm (0.256 ± 0.040 inch) above the surface of the housing.
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   Illustration 5	g00591504

10. Install adapter (8). Install O-ring seal (9) on adapter (8) and lubricate the seal with clean engine oil.
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    Illustration 6	g01776554

11. Install bypass valve housing (6). The weight of bypass valve housing (6) is approximately 43 kg (95 lb). Tighten the bolts to a torque of 55 ± 7 N·m (41 ± 5 lb ft).

12. Install O-ring seals (7).
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    Illustration 7	g00591500

13. Install new engine oil filter elements (5).
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    Illustration 8	g00591498

14. Install O-ring seal (4), spring (3), and retainer (2) on cover (1).
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    Illustration 9	g00591497

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    Improper assembly of parts that are spring loaded can cause bodily injury. To prevent possible injury, follow the established assembly procedure and wear protective equipment.

15. Install cover (1) and the bolts.

End By:

1. Install the engine oil filter housing.