D349 INDUSTRIAL & MARINE ENGINES Caterpillar


Expansion Tank

Usage:

Remove Expansion Tank

1. Drain the engine cooling system.

2. Disconnect the expansion tank water inlet line.

3. Remove the expansion tank water outlet line (3).

4. Remove the bottom support-to-tank mounting bolts (2).

5. Disconnect vent line (1) from expansion tank.

6. Remove the tank overflow line (5).

7. Remove expansion tank-to-water temperature regulator housing elbow (4).

8. Attach a hoist to the tank, and remove the tank mounting bolts for the two braces (6).

9. Remove the expansion tank-weight 140 lbs. (64 kg).

Install Expansion Tank

1. Attach a hoist and position the expansion tank on engine. Install the bottom support-to-tank mounting bolts.

2. Install the expansion tank water outlet line. Connect the tank water inlet line.

3. Install expansion tank-to-regulator housing elbow. Install two tank-to-brace mounting bolts. Install overflow line. Connect expansion tank vent line.

4. Fill engine cooling system.

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