C7.1 Marine Engine Caterpillar

Removal Procedure

Start By:

1. Remove the crankshaft.

Show/hide table

Illustration 1	g01341462

1. Support crankshaft (1) on a suitable stand.

2. Remove screws (2) from crankshaft timing ring (3). Do not reuse the screws.

3. Carefully remove crankshaft timing ring (3) from crankshaft (1). Do not reuse the crankshaft timing ring.

   Note: Ensure that seal surface (4) of the crankshaft is not damaged when the crankshaft timing ring is removed.

   Note: Do not remove dowel (5) from crankshaft (1) unless the dowel is damaged.

Installation Procedure

1. Support crankshaft (1) on a suitable stand.
   Show/hide table

   Illustration 2	g01341462

2. If dowel (5) was removed, install a new dowel to crankshaft (1).

3. Position new crankshaft timing ring (3) on the crankshaft with the teeth toward the crankshaft Web. Align the hole in crankshaft timing ring (3) with dowel (5) in the crankshaft. Install crankshaft timing ring (3) to crankshaft (1).

   Note: Ensure that seal surface (4) on the crankshaft is not damaged when the crankshaft timing ring is installed.

4. Install new screws (2). Tighten screws (2) to a torque of 9 N·m (80 lb in).

End By:

1. Install the crankshaft.