6637A 3 Mercury PISTON AND PISTON PIN ASSEMBLY

06Apr2011
U-136
A-112
D-122
O-126
TM-16
After Failure Only
Parts stock action needed PRODUCT SUPPORT PROGRAM FOR REPLACING FUEL PRIMING PUMPS ON CERTAIN C4.4 MARINE GENSET ENGINES
1261 1274 7750 PS52014
This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS52014" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.
Although this Program is to be administered as described above on the Affected Product,parts should be removed from parts stock as soon as possible.
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.
TERMINATION DATE
30Apr2013
PROBLEM
The existing priming pump can fail on certain C4.4 Marine Genset engines. If the existing priming pump fails it can cause engine to lose power or shutdown.
AFFECTED PRODUCT
Model Identification Number
C4.4 L1K00156-00179, 182-217, 219-238, 241-245, 248-282, 289-294, 297-298, 300-303, 305-308, 310-319, 322-350, 353-361, 366-367, 371-376, 379-386, 388-431, 433, 438-439, 442-447, 452-453, 456-457, 460-463, 465-468, 470-474, 477, 482, 485, 487, 490-491, 496-502, 504-505, 507, 509, 512-518, 520-523, 528-529, 532-542, 544-556, 558-560, 563-576
S1M00182, 184-188, 190-211, 214-215, 218-223, 226-249, 251-259, 262-266, 269-270, 273, 275-281, 284, 287-291, 296-300, 303-306, 309, 311-313, 316-320, 322-323, 325-326, 329-367, 372-382, 384, 390-391, 408-413, 416-422, 425-428, 432-434, 436-440, 442-455, 457-458, 460-466, 468-469, 471-476, 479-481, 484, 486-488, 491, 495-501, 507-543, 548-552, 556-557, 562-565, 569-576, 578-599, 614-619, 624-626, 630-631, 639-640, 654-656, 666-667, 674, 695-696, 705-711, 723-734, 738-749, 758-759, 761, 763-773, 775-776, 783-787, 793-796, 798-800, 803-812, 828-833, 842, 845, 847, 849-852, 855-860, 865, 871-872, 891-894, 898, 902-903, 906-909, 912-915, 918-931, 935-936, 947-952, 960-965, 975-984, 986-987, 993-998, 1001-1005, 1008-1013, 1018-1020, 1023-1026, 1029-1034, 1039-1044, 1050-1052, 1055-1061, 1065-1070, 1077, 1080-1087, 1092-1099, 1103-1110, 1112-1113, 1116-1117, 1128-1130, 1132-1133, 1135, 1141-1152, 1154-1165, 1176-1178, 1187-1190, 1192-1195, 1200-1216, 1221-1232, 1235-1251, 1253, 1255-1256, 1258-1259, 1263, 1265, 1267-1272, 1276-1277, 1279-1283, 1285-1291, 1293-1315, 1317, 1319, 1321-1323, 1325, 1327-1343, 1346-1350, 1352-1366, 1374-1375, 1377-1380, 1382-1383, 1387, 1394-1396, 1398, 1401-1402, 1404, 1406-1408, 1411-1418, 1420, 1422-1423, 1434-1436, 1442-1443, 1445-1446, 1448, 1451, 1453-1454, 1456-1457, 1459-1463, 1468, 1471-1477, 1480-1484, 1486-1489, 1492-1497, 1499, 1501, 1504-1505, 1507, 1511-1513, 1515, 1517-1520, 1523, 1525-1531, 1533, 1540, 1543, 1546, 1549, 1554, 1562-1565, 1571-1572, 1577-1580, 1583, 1589, 1608, 1612, 1614, 1616, 1618, 1623, 1629-1631, 1633, 1635, 1637-1645, 1649-1650, 1652-1658, 1661-1664, 1666, 1672-1676, 1678, 1682, 1685, 1697, 1716-1719, 1721, 1723-1724, 1731-1733, 1741, 1746-1755, 1758-1762, 1778-1785, 1788, 1790-1791, 1794-1804, 1809, 1827-1828, 1830-1849, 1851, 1855-1860, 1862, 1864-1865, 1867-1868, 1870-1886, 1888-1898, 1901-1906, 1908-1917, 1925, 1927, 1929, 1931-1932, 1934-1935, 1939, 1942-1946, 1953, 1956-1957, 1960-1961, 1965, 1975, 1977, 1979-1982, 1984, 1986-1988, 1993, 1997, 2000-2004, 2011-2013, 2019-2020, 2022, 2024-2027, 2029, 2031-2038, 2040, 2044, 2050-2053, 2066, 2068, 2070, 2074-2079, 2084-2086, 2088-2089, 2095-2097, 2099, 2103, 2105, 2109-2110, 2112, 2119, 2121-2124, 2126-2127, 2129-2131, 2133-2137, 2139, 2142-2143, 2145, 2147, 2153, 2160, 2172-2179, 2181-2183, 2185, 2187-2188, 2190-2191, 2193-2215, 2217-2218, 2226-2233, 2236-2242, 2244-2245, 2247-2251, 2254-2255, 2257, 2259, 2261, 2263-2265, 2267, 2269, 2271, 2273-2284, 2287-2293, 2305-2306, 2312, 2315-2336, 2340-2343, 2346-2357, 2359-2371, 2373, 2376, 2380-2381, 2384-2386, 2388, 2391, 2393, 2396, 2398, 2401, 2404-2405, 2408-2409, 2417-2418, 2425-2426, 2428, 2430-2432, 2434, 2436-2443, 2445, 2447-2449, 2452, 2454-2461, 2463-2465, 2467, 2472-2473, 2479, 2481-2482, 2484, 2496-2500, 2502-2503, 2505, 2507, 2509-2510, 2512, 2519, 2522, 2524, 2526-2527, 2530, 2537, 2539-2541, 2545, 2547-2549, 2553-2555, 2559-2560, 2564, 2568, 2570, 2573, 2589-2591, 2594, 2597-2603, 2605-2607, 2609, 2616, 2619-2624, 2626, 2628, 2632-2633, 2639-2640, 2643, 2647-2652, 2656-2660, 2668, 2673, 2676-2678, 2689, 2692, 2694-2695, 2697, 2704, 2711-2712, 2715-2716, 2718, 2721-2722, 2725-2727, 2729, 2731, 2734, 2737-2738, 2742, 2745, 2749-2753, 2756-2758, 2760-2764, 2766-2767, 2769-2772, 2786-2787, 2789-2790, 2797-2798, 2804-2810, 2813, 2816, 2818-2819, 2821-2826, 2828-2831, 2835, 2837-2853, 2855, 2862, 2868-2870, 2874, 2876-2878, 2884-2885, 2899-2900, 2907, 2909-2915, 2920, 2922-2924, 2932-2952, 2954-2958, 2960-2983, 2985, 2992-2995, 2997, 2999-3000, 3002-3014, 3028, 3030-3049, 3053, 3058-3060, 3067, 3073-3076, 3085-3090, 3092-3104, 3107-3112, 3120-3121, 3125-3141, 3143, 3145-3149, 3151, 3154-3159, 3161, 3163, 3166-3167, 3169, 3175, 3177, 3180, 3198-3216, 3218-3229, 3234-3238, 3241, 3245-3251, 3253, 3255-3258, 3260-