806290 Mercruiser SCREW, (#10-32 x .625)

11Nov2020
(Revised 17Nov2020)
D-620
Priority
PRODUCT IMPROVEMENT PROGRAM FOR REWORKING THE MUFFLER TAIL PIPE ON CERTAIN 320GC EXCAVATORS, EQUIPPED WITH TIER 4 FINAL WITH C4.4 TA ENGINE
1061 PI33233
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 as soon as possible.When reporting the repair, use "PI33233" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Codeand "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI33233" as the Part Number, "7751" as the Group Number,"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 11Nov2020 Service Letter. Changes have been made to the Affected Product.
COMPLETION DATE
TERMINATION DATE
31May2021 30Nov2021
PROBLEM
The existing tail pipe needs to be reworked on certain 320GC Excavators, equipped with Tier 4 final with C4.4 TA engine. The existing tail pipe can induce failure of the Aftertreatment system.
AFFECTED PRODUCT
Model Identification Number
320 GC KTN00119, 121, 123, 126, 128-130, 139, 145, 149, 151, 154, 157-162, 165, 167-168, 174-176, 179-180, 183, 192, 196, 200, 202, 206-207, 210, 213, 219, 221, 224-225, 228, 230, 232, 234-236, 239, 242, 246-249, 253, 257-262, 264-266, 268-269, 271-272, 276-277, 279, 281-283, 286-287, 290-291, 294, 297, 299-300, 305-309, 312-313, 316-317, 319, 321, 324-327, 330-331, 335, 339, 347-348, 350-353, 355, 357, 366, 368, 371-372, 375, 379, 383-384, 387, 390, 394, 397-399, 401, 403, 406, 408, 411-412, 416, 419, 421-422, 424, 428, 431, 433, 435, 437, 439-442, 448, 451, 453-454, 457, 462, 466, 469, 473, 476, 479, 481, 483, 487, 491, 493, 496, 498, 510, 521-522, 525-526, 529, 532, 535-536, 539, 541-542, 544-552, 554-564, 572, 583-584, 586-591, 593-595, 597-598, 600-601, 603, 605-606, 608-609, 613-614, 619-620, 10002-10003, 10005, 10007-10008, 10010-10016, 10018-10019, 10021-10022, 10024-10026, 10029, 10031-10034, 10037-10038, 10040, 10042-10043, 10045-10046, 10048-10049, 10052-10055, 10057, 10059, 10061, 10063, 10066, 10068-10069, 10074, 10076-10079, 10082, 10084-10085, 10087-10090, 10093-10100, 10102, 10104, 10107, 10110-10112, 10114, 10116-10120, 10122-10123, 10125-10132, 10134, 10138-10139, 10141, 10143, 10148, 10150, 10155-10156, 10174, 10176, 10178, 10184-10185, 10190-10191, 10196, 10199, 10202, 10218, 10220, 10222, 10224, 10226, 10229, 10231, 10237-10238, 10242-10243, 10247, 10251, 10254, 10259, 10285, 10290, 10294-10297, 10300-10301, 10303, 10305-10306, 10313, 10316, 10319, 10322, 10324, 10326, 10329, 10333, 10340-10343, 10345-10348, 10358, 10361, 10365, 10367, 10371, 10373, 10375, 10381, 10383, 10385-10386, 10388-10389, 10391-10392, 10394-10396, 10398, 10400-10403, 10405-10406, 10408-10411, 10414-10421, 10423-10429, 10431, 10433-10434, 10437-10439, 10442-10443, 10445, 10447, 10451-10453, 10455, 10457-10460, 10462, 10464-10467, 10469-10470, 10472-10483, 10487, 10489-10490, 10492-10493, 10495, 10498-10499, 10501-10504, 10506-10507, 10511-10514, 10516-10517, 10520-10521, 10524, 10526, 10528, 10531-10532, 10535-10536, 10539-10540, 10543-10545, 10549, 10551, 10554, 10556-10559, 10561, 10563-10564, 10567-10568, 10570, 10572, 10574, 10576, 10579-10580, 10584-10587, 10590-10591, 10593-10594, 10596-10598, 10601-10602, 10605-10606, 10608-10610, 10615, 10617-10619, 10621-10623, 10626, 10628, 10631-10635, 10638-10639, 10641-10642, 10644-10646, 10648, 10651, 10654, 10675, 10678, 10680-10681, 10683-10684, 10686-10687, 10690, 10692, 10696, 10698-10706, 10708-10718, 10720-10724, 10726, 10728-10730, 10732-10738, 10740, 10742, 10744-10745, 10751-10754, 20001, 20003-20006, 20008, 20011-20012, 20014-20015, 20018-20019, 20022-20023, 20025, 20027-20028, 20030, 20032-20034, 20036-20037, 20039-20041, 20043, 20045, 20047, 20056-20074, 20077, 20079, 20084, 20088-20089, 20091, 20093, 20095, 20098, 20101, 20103-20104, 20106, 20109, 20111-20112, 20115-20117, 20122, 20125, 20127, 20137-20138, 20144, 20149, 20151-20153, 20156-20157, 20159-20160, 20162, 20164-20165, 20168-20169, 20171-20172, 20177, 20186, 20188, 20192-20193, 20198, 20200, 20202, 20204-20208, 20210-20211, 20213, 20223-20224, 20226-20227, 20229-20230, 20232-20233, 20235-20236, 20238, 20240-20243, 20248, 20250, 20252-20253, 20255-20256, 20259, 20261-20262, 20264, 20266, 20269-20270, 20272, 20274, 20280, 20282-20285
PARTS NEEDED
No parts needed for this program