09050-00470 GOVERNOR ASSY, INJ Denso Cross

20Mar2009
U-115
A-101
D-96
O-100
After Failure Only
PRODUCT SUPPORT PROGRAM FOR INSTALLING NEW FUEL INJECTORS ON CERTAIN C7 AND C9 INDUSTRIAL ENGINES
1290 1251 1254 1713 PS51639
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 "PS51639" 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.
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
31May2010
PROBLEM
The spool spring that is internal to the HEUI Fuel Injector may fail prematurely on the product listed in this service letter. Symptoms of this type of failure are consistent with a flutter, skipping, or a fuel knock from the engine at higher speeds. This type of failure is generally a low hour failure.
Use the part hours that are on the fuel injector(s).
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
C7 JRA00520, 522-525, 528, 530, 541, 544-545, 559, 561, 563, 593-594, 596, 599-601, 603, 605-609, 611-615, 617-618, 621-623, 625, 627-637, 639, 642, 645-651, 653-663, 665, 668-669, 674-678, 691-694, 703, 706, 710, 775, 829, 831, 919, 925, 929, 950, 958-961
JTF02045, 2054, 2071, 2096, 2099, 2115, 2128-2129, 2200, 2233, 2242, 2247, 2274, 2276, 2278, 2280, 2291, 2317-2318, 2349, 2351, 2355, 2357, 2403, 2405, 2412-2413, 2415, 2417-2418, 2420-2422, 2427, 2434, 2439, 2442, 2464, 2491, 2502, 2613, 2617, 2621, 2629-2630, 2661, 2666, 2668, 2673, 2769-2770
*******Group 2*******
C9 JSC02793-02794, 2804, 2806, 2810, 2833-2834, 2836, 2838, 2841, 2843, 2851-2852, 2856-2857, 2859, 2861, 2864-2866, 2868-2870, 2874, 2879, 2900-2908, 2910-2914, 2918-2919, 2922, 2925, 2927-2929, 2931, 2933-2935, 2937, 2939, 2943-2944, 2949-2953, 2955-2960, 2962-2976, 2978-2982, 2984, 2989, 3001-3002, 3005-3012, 3015, 3017-3019, 3023, 3025, 3027, 3029-3031, 3034, 3038, 3041, 3043, 3045-3046, 3048, 3054-3055, 3063-3065, 3067-3068, 3070, 3072, 3074, 3076, 3080-3081, 3083-3084, 3088-3090, 3092-3094, 3108, 3115, 3117, 3119, 3121, 3124, 3126-3127, 3130, 3132, 3147-3150, 3155-3157, 3159, 3161-3163, 3166, 3168, 3170-3172, 3177-3178, 3185-3186, 3188, 3191, 3195-3197, 3199-3200, 3203, 3207-3212, 3215, 3218, 3223, 3226, 3232-3234, 3236, 3239, 3241-3242, 3244, 3246, 3249-3250, 3252-3254, 3256-3263, 3265-3266, 3268-3269, 3276, 3278, 3280-3281, 3284-3285, 3287-3288, 3291-3292, 3294-3295, 3298, 3301, 3310-3314, 3318-3319, 3321-3324, 3326-3331, 3339, 3344-3345, 3348, 3355, 3359, 3366, 3407, 3417, 3421, 3426-3427, 3430, 3432-3433, 3439, 3441, 3444-3446, 3449, 3465-3466, 3468-3469, 3489, 3504, 3506, 3508-3511, 3513-3515, 3530, 3536, 3539, 3542-3543, 3547-3549, 3551-3552, 3558, 3560-3561, 3564-3569, 3571, 3573, 3592, 3602, 3605, 3607-3609, 3611, 3617, 3620-3621, 3623-3624, 3626-3627, 3629, 3633-3634, 3637, 3640-3641, 3645-3646, 3648, 3653, 3656-3657, 3659, 3661, 3663, 3665-3666, 3672-3673, 3676-3677, 3681, 3690, 3692-3694, 3698-3699, 3702, 3704, 3706-3708, 3711-3713, 3716, 3721, 3724-3726, 3728-3731, 3733, 3735, 3738, 3744, 3746-3747, 3749-3751, 3754, 3756-3758, 3760, 3762, 3764, 3766, 3768, 3773, 3776, 3780-3781, 3784, 3792-3793, 3795, 3804, 3806-3810, 3813-3817, 3823-3824, 3828-3829, 3832, 3834, 3836, 3839, 3842-3845, 3849-3852, 3859, 3861, 3864-3865, 3867-3870, 3872-3874, 3876, 3883-3885, 3887, 3895, 3905, 3907, 3909-3911, 3916-3917, 3920, 3930, 3933, 3939, 3949, 3956, 3969, 3973, 3978, 4003, 4005, 4013, 4018, 4028, 4031, 4033, 4037,