34750-ZY2-A04 Honda SEE PART DETAILS - PRI; CONTROL UNIT, ELECTRONIC

May 8, 2000
(Revised July 2001)
U-138
A-110
AU-82
S-64
O-124
Priority THE ENGINE CYLINDER BLOCKMAIN CAPS NEED TO BE INSPECTED ON CERTAIN 5130B AND 5230 EXCAVATORS; 994D,992G AND 854G WHEEL LOADERS; 793C, 789C, 785C HAA, 785C, 785B, 777D HAA,777D AND 776D OFF HIGHWAY TRUCKS; D11R TRACK TYPE TRACTORS; NEW AND REMAN3500 ENGINES
1201 PI30025
This Program must be administered assoon as possible. When reporting the repair, use "PI30025" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI30025" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst. For the proper inspection and reworkprocedure of 3500 Commercial Engines, refer to PI30053 This Revised Service Letter replacesthe May 8, 2000 (Revised June 2001) Service Letter. Changes have been madeto the Affected Product.
COMPLETION DATE
TERMINATION DATE
November 30, 2000 November 30, 2001PROBLEM
A process was omitted during the manufacturingof certain 3500 Engine cylinder block main caps. Because of the omittedprocess, there is a chance the main cap may crack and cause the crank tooperate unsupported. The unsupported operation of the crank may cause thecrankshaft to break and may cause an engine failure.AFFECTED PRODUCT
Model Identification Number793C ATY183
4GZ94-135, 138-202, 204-208, 212-250, 256-260
4AR376-379, 382-383, 385-424789C 2BW90-133, 135-149785C HAA 5AZ90-114,264-266, 268, 269785C APX160-164 1HW87?131785B 6HK958, 963, 966-969, 971-981, 983?987777D HAA 2YW99-105777D AGC77-160, 165, 167-170, 173-176 3PR874-1126776D 5ER94-127D11R AAF132 7PZ286-292, 294-299 9TR304-473 9XR160-1895130B 4CS155-160, 162, 164-165
5230 7LL99-100994D 3TZ251-265992G ADZ127-130, 132-133
7HR254-256, 258-335, 338-386854G 1JW237-244ANY MACHINE SERIAL NUMBERS WITH THE FOLLOWINGNEW OR REMAN ENGINES INSTALLED.3508 MUI 99W03529-3540
4ZL539, 543-545, 551, 554, 556, 558, 561, 573, 575, 576,
586-588, 590, 593-596, 598-600, 604, 606, 607, 613, 618,
626, 628, 629, 633, 635, 636, 638, 639, 643, 645, 647, 649,
655, 657, 659, 6613508 EUI 7YG02171-2178, 2180-2181, 2184-2190
5TL298-300, 305, 306, 315, 316, 321, 330, 334, 336, 338,
346, 349, 351, 362, 365,369, 370-376, 379, 380, 386, 3903508 "B" 2GR1448-1945, 1947-1960, 1962-1965, 1967-2040,
2042-2142, 2144?2189, 2191-2195, 2197-2222,
2224?2226, 2228-2230, 2232-2240, 2242-2255,
2259-2261, 2263-2265, 2267, 2268, 2270, 2271,
2273-2275, 2277-2282, 2284, 2286, 2287, 2290-2292,
2294, 2298, 2299, 2303, 2306, 2307, 2309, 2313, 2321,
2326, 2332, 2337 5XS171-178, 180-182
3512 MUI 96Z932-934
5EL201-203, 211, 2133512 EUI 4WJ1228-1257
6FL208, 220, 225, 230, 236, 238, 259, 261, 269-270,
276-278, 284,289-290, 292, 294, 299-300, 302, 304, 399,
401, 4033512 "B" 8BR544-598, 601, 604-605, 607, 614-6173516 MUI 54Z1192-1197 6CL316, 319, 321, 326, 332, 336, 337, 340-343,