3126B Marine Engine Caterpillar

Disassembly Procedure

Start By:

1. Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".

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Illustration 1	g00743367

1. Remove O-ring seals (4) and (5) from cover plate (3). Inspect the O-ring seals for wear or damage. If the O-ring seals are worn or damaged, use new parts for replacement.

2. Remove four bolts (2) that fasten cover plate (3) to water pump (1) .

3. Remove cover plate (3) from water pump (1) .

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Illustration 2	g00743370

4. Remove hose nipple (6) and the O-ring seal from water pump (1). Inspect the O-ring seal for wear or damage. If the O-ring seal is worn or damaged, use a new part for replacement.

5. Remove three bolts (7) and remove elbow (8) from water pump (1) .

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Illustration 3	g00743372

6. Remove O-ring seal (9) from elbow (8). Inspect the O-ring seal for wear or damage. If the O-ring seal is worn or damaged, use a new part for replacement.

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Illustration 4	g00743374

7. Position the water pump in a press. Use spacer plates to level the water pump.

8. Use a suitable drive plate from Tool (A) and a press in order to push the shaft out of impeller (10). Remove impeller (10) from the water pump.

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Illustration 5	g00743376

Note: Do not allow the shaft to fall to the floor when the shaft is removed.

9. Continue to push the shaft out of seal (11) and the water pump housing.

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Illustration 6	g00645786

10. Remove seal (11) from the water pump housing with the handle from Tool (B) and a press.