2014/07/25 Caterpillar

New Auxiliary Water Pump and Shaft Seal for Certain 3056 Marine Engines and C1.5, C2.2, C4.4, and C6.6 Generator Sets {1371, 1371, 7555}

Usage:

C6.6 C6T

Marine Engine: 3056 (S/N: CKS1217-1217,1223-1573,1575-1584,1586-1586,1588-1588,1590-1597,1599-1614,1616-1626,1628-1628,1630-1635,1637-1638,1640-1640)
Generator Set: C1.5 (S/N: TAF354-368,371-561,563-565,568-582,584-584,586-588,591-620,623-623,625-643,656-663,666-672,674-684,686-693,695-695) C2.2 (S/N: TAG763-1062,1064-1068,1071-1071,1073-1073,1075-1079,1081-1081,1083-1084,1087-1094,1096-1100,1103-1103,1105-1116,1118-1127,1129-1141; JAW260-322,324-461,463-505,507-520,522-524,526-531,533-536,538-567,569-573,576-584,586-591,593-604,606-607,609-612,616-621,623-624,626-638,640-641,643-644,646-661,663-672) C4.4 (S/N: L1K319-448,450-474,477-488,490-669,671-673,675-706,708-724,726-754,756-762,764-787,789-795,797-799,801-814; S1M1252-1291,1293-1367,1369-1375,1377-1380,1382-1391,1393-1408,1411-1418,1420-1457,1459-1477,1479-1484,1486-1721,1723-1733,1735-1755,1758-1762,1764-1773,1776-1785,1787-1788,1790-1810,1812-1886,1888-1899,1901-1921,1923-1927,1929-1937,1939-1950,1953-1954,1956-1957,1959-1961,1963-1967,1969-1970,1973-1984,1986-1990,1993-1993,1996-2079,2082-2086,2088-2090,2092-2097,2099-2099,2101-2103,2105-2106,2108-2116,2118-2119,2121-2124,2126-2131,2133-2137,2139-2143,2145-2215,2217-2543,2545-2662,2664-2666,2668-2678,2680-2853,2855-2855,2857-2896,2899-2900,2902-3307,3309-3383,3386-3429,3433-3470,3474-3608,3610-3693,3695-3806,3808-3823,3825-3874,3876-3946,3948-3948,3950-3971,3973-3973,3975-3985,3987-4001,4004-4044,4046-4046,4048-4054,4057-4066,4068-4070,4072-4072,4075-4076,4081-4085,4088-4089,4091-4094,4096-4097,4099-4101,4103-4106,4108-4116,4118-4121,4123-4124,4126-4128,4130-4141,4143-4147,4149-4169,4171-4172,4174-4190,4192-4198,4200-4200,4202-4204,4206-4209,4211-4212,4216-4222,4224-4225,4227-4236,4238-4289,4291-4292,4294-4303,4305-4312,4314-4317,4320-4321,4323-4334,4336-4342,4344-4345,4348-4349,4352-4359,4361-4377,4379-4381,4383-4386,4388-4388,4390-4423,4426-4431,4433-4440,4442-4451,4453-4481,4483-4483,4485-4524,4526-4535,4537-4541,4543-4548,4551-4551,4554-4555,4557-4561,4563-4568,4570-4573,4575-4580,4582-4591,4593-4615,4617-4631,4633-4634,4636-4636,4638-4640,4642-4648,4651-4655,4657-4669,4671-4677,4679-4680,4683-4685,4691-4691,4693-4694,4696-4707,4709-4709,4711-4729,4731-4731,4734-4745,4747-4768,4771-4772,4774-4784,4786-4786,4788-4792,4794-4816,4818-4831,4833-4840,4843-4848,4850-4859,4861-4863,4865-4865) C6.6 (S/N: C6T1-104,155-158,160-167,169-221,223-231,233-237,239-240,242-242,244-256,258-413,416-419,421-473,475-518,520-535,537-555,557-563,565-565,567-586,589-603,605-606,608-615,617-617,619-621,623-666,669-696,698-698,700-701,703-722,724-728,731-738,740-747,749-751,753-773,775-776,778-782,784-797,799-807,810-811,814-828,830-836,838-860,862-867,870-873,875-884)

There have been isolated instances of the 205-3018 Seal leaking.

A new 420-4328 Seal has been introduced. The new seal is not compatible with the existing auxiliary pump assembly.

If the 205-3018 Seal is leaking, the auxiliary water pump assembly must be replaced.

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Illustration 1	g03703490
(1) 205-3018 Seal (2) 420-4328 Seal

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Illustration 2	g03703493
View of the 205-3018 Seal through the side of the auxiliary water pump body

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Illustration 3	g03703507
View of the 420-4328 Seal through the side of the auxiliary water pump body

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Table 1
Existing Part Number (contains 205-3018 Seal )	Description	New Part Number (contains 420-4328 Seal )	Description
194-7207	Water Pump Gp	425-5411	Auxiliary Sea Water Pump Gp
263-7531	Water Pump Gp	425-5412	Auxiliary Sea Water Pump Gp
326-2743	Water Pump Gp	425-5415	Auxiliary Sea Water Pump Gp
230-7224	Pump As	425-5421	Auxiliary Sea Water Pump Gp
207-5441	Auxiliary Sea Water Pump Gp	425-5423	Auxiliary Sea Water Pump Gp

Refer to Table 1 for the correct replacement auxiliary water pump.

Refer to Disassembly and Assembly, "Auxiliary Water Pump - Remove" and Disassembly and Assembly, "Auxiliary Water Pump - Install" for the correct procedure.