2246 Force SCREW, CRANKCASE COVER TO CYLINDER 3/8 - 16 X 1-5/8 AT CENTE

12Dec2016
(Revised 19Jun2017)
U-641
A-462
D-538
O-538
TM-11
Before/After
PRODUCT SUPPORT PROGRAM FOR REPLACING THE FUEL RETURN LINE ON CERTAIN C18 MARINE ENGINES
1274 PS45321
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program must be administered either before or after failure.In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS45321" as the Part Numberand "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code.If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
This Revised Service Letter replaces the 12Dec2016 Service Letter. Changes have been made to the Rework Procedure steps and the Service Claim Allowances.
TERMINATION DATE
31Dec2018
PROBLEM
The existing 383-3544 Fuel Return Line can fracture near the fuel manifold on certain C18 Marine Engines.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
C18 JKX01804-01805, 1814, 1818, 1820-1822, 1824-1825, 1827-1828, 1830, 1832-1835, 1837, 1845, 1849, 1855, 1882-1883, 1896, 1898-1905, 1907-1908, 1910-1912, 1915-1919, 1922, 1925, 1930-1933, 1935-1936, 1940-1941, 1948-1949, 1951, 1954-1956
JLE00102, 104-105, 108-109, 114-120, 123-131, 138-139, 141-142, 144-145, 147, 149, 153-155, 157, 161, 163-164, 167-168, 172, 185-186, 189-191, 194-195, 198-201, 205-206, 210-211, 216-218, 220, 222, 225, 228-230, 232-235, 237-239, 242-244, 247-249, 252, 256-257, 262-267, 274, 278, 281, 284, 288, 292, 297, 304-305, 313-316, 319-321, 325, 327-328, 330-331, 334-335, 345-346, 349-350, 353-354, 358-359, 363-364, 368-369, 372-373, 377-379, 382-383, 389-390, 393, 396, 400, 402-404, 407-414, 417-418, 421-422, 425-426, 429-430, 433-434, 437-438, 441-442, 445-446, 5001-5004, 5006, 5008, 5010-5011, 5015-5016, 5018, 5021-5025, 5028, 5030-5037, 5039-5040, 5051, 5054-5055, 5057, 5059-5060, 5063-5067, 5071, 5081-5082, 5085-5089, 5091-5094, 5101-5110, 5118-5122, 5129-5134, 5140-5145, 5154-5156, 5161-5163, 5165, 5168, 5170-5172, 5175, 5177-5178, 5183, 5185, 5189, 5193-5196, 5200, 5209, 5211-5212, 5215-5217, 5221-5224, 5227-5230, 5233-5234, 5236-5237, 5245, 5249-5252, 5257-5258, 5263-5264, 5266-5268, 5271, 5275, 5279, 5284-5285, 5288-5290, 5293-5297, 5299, 5302-5303, 5306, 5309, 5311-5313, 5320-5321, 5325, 5330-5338, 5340-5342, 5347-5354, 5356-5363, 5365-5366, 5369-5370, 5373-5375, 5377-5378, 5380-5381, 5384, 5388-5394, 5398-5399, 5408-5409, 5411, 5413, 5415, 5418-5422, 5426, 5428-5429, 5432, 5436-5437, 5439, 5441-5442, 5445-5446, 5451-5453, 5455-5456, 5460, 5462-5463, 5465-5466, 5470, 5472, 5476-5478, 5481-5482, 5487-5488, 5491-5496, 5501-5504, 5509-5510, 5514, 5519-5521, 5524, 5526, 5531-5535, 5539, 5541, 5544-5548, 5550, 5554, 5556-5558, 5562, 5564-5566, 5572, 5574, 5577, 5581, 5583-5591, 5601-5602, 5604-5605, 5607, 5610-5613, 5615-5616, 5619, 5622-5623, 5626, 5628
*******Group 2*******
C18 JKX01819, 1823, 1826, 1829, 1831, 1836, 1838, 1841, 1843, 1847, 1852, 1858, 1868-1869, 1871-1872, 1874-1876, 1880-1881, 1884-1888, 1890-1892, 1895, 1897, 1909, 1913-1914, 1920-1921, 1923, 1927-1928, 1947, 1952-1953, 1957-1959, 1963, 1966, 1973, 1975-1983
JLE00101, 106-107, 110-111, 113, 121-122, 133-137, 140, 143, 146, 148, 150-152, 156, 158-160, 162, 165-166, 169-171, 173, 187-188, 192-193, 196-197, 202-203, 207, 212-215, 219, 221, 223-224, 226, 231, 236, 241, 245, 250-251, 253-255, 258-261, 268-272, 275-277, 279, 282-283, 285-287, 290-291, 294, 299, 302-303, 307-312, 317-318, 322-324, 326, 329, 332-333, 336-340, 343-344, 347-348, 351-352, 355-357, 360-362, 365-367, 370-371, 374-376, 380-381, 384-388, 391-392, 394-395, 397-399, 40