2010/06/25 Caterpillar

Generator Set:

C32 (S/N: RNE1-UP; RNX1-UP)

Marine Engine:

C32 (S/N: RND1-UP; RNY1-UP)

Description of Change: The new water connection gp includes new brackets for improved support of the connection gp. Also, a new optional flexible connection gp is available.

Adaptable To:

Note: Refer to Assembly and Installation Guide, LEBW4978, "Cooling Systems" for the instructions that are used in order to support the ships piping.

Illustration 1	g02105773
View from right-hand side of the engine (1) 344-1139 Water Connection Gp

The new 344-1139 Water Connection Gp is used in order to replace the existing 294-0549 Water Connection Gp, and the 294-0550 Water Connection Gp. These water connection groups are serviced from the right-hand side of the engine.

Note: Installing the new 344-1139 Water Connection Gp requires some reconfiguration of the ships piping.

Illustration 2	g02105775
View from left-hand side of the engine (2) 344-1140 Water Connection Gp

The new 344-1140 Water Connection Gp is used in order to replace the existing 294-0548 Water Connection Gp, and the 294-0551 Water Connection Gp. These water connection groups are serviced from the left-hand side of the engine.

Note: Installing the new 344-1140 Water Connection Gp requires some reconfiguration of the ships piping.These changes are effective on the serial numbers that are listed in Table 1.

Table 1

Effective Serial Numbers

S/N:RNX305-UP

S/N:RNY844-UP

The new 346-6567 Water Connection Gp is available as an option. The 346-6567 Water Connection Gp provides a flexible connection from the expansion tank to a 4 inch flange for the connection to the ships piping.

Note: The new 346-6567 Water Connection Gp can only be used with the 344-1139 Water Connection Gp and the 344-1140 Water Connection Gp .Refer to Illustration 3 for a view of the 346-6567 Water Connection Gp.

Illustration 3	g02105868
346-6567 Water Connection Gp (3) 355-7002 Flexible Connection (4) 6V-8188 Nut (5) 7X-0325 Bolt (6) 8T-4223 Hard Washer

Refer to Table 2 for a list of the parts that are included in the 346-6567 Water Connection Gp.

Table 2

346-6567 Water Connection Gp
Part Number	Description	Quantity
355-7002	Flexible Connection	2
6V-8188	Nut	16
7X-0325	Bolt	16
8T-4223	Hard Washer	32

Refer to Illustration 4 and Illustration 5 for the dimensions of the two water connection groups.

Note:

Illustration 4	g02125742
(A) 419 mm (16.5 inch) (B) 588 mm (23 inch)

Illustration 5	g02126015
(C) 1411.1 mm (55.5 inch) (D) 1396.1 mm (55 inch) (E) 552.5 mm (21.75 inch) (F) 792.5 mm (31 inch) (7) Centerline of the crankshaft (8) Rear of the engine

Note: The dimensions that are located above are valid for both the 344-1139 Water Connection Gp and the 344-1140 Water Connection Gp.