29419-80050 O-RING, SUPPLY PUM Denso Cross

09Feb2009
(Revised 26Mar2009)
B170
Before/After
(Limited distribution)
PRODUCT SUPPORT PROGRAM FOR REPLACING THE DIESEL PARTICULATE FILTER (DPF) ON C9 ENGINES INSTALLED IN MASS TRANSIT BUSES
108F PS42877
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 "PS42877" 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 09Feb2009 (Revised 10Feb2009) Service Letter. Changes have been made to Parts Needed, Service Claims Allowances, and Rework Procedure.
TERMINATION DATE
28Feb2011
PROBLEM
The existing Diesel Particulate Filters (DPF) can allow excessive soot to exit in the exhaust on certain C9 engines installed in mass transit buses.
AFFECTED PRODUCT
Model Identification Number
C9 MTB00105, 109-111, 113-172, 174-177, 179-190, 197-199, 2003
PARTS NEEDED
Qty
Part Number Description
4 1K6872 LOCKNUT
8 3B4504 LOCKWASHER-1/4
2 3B4507 LOCKWASHER-7/16
2 4B1232 SCREW-MACHINE
4 4B4274 WASHER
2 4M5282 BOLT
8 6D4246 CLIP
30 6K0806 STRAP-CABLE
2 6V5729 LOCKNUT
4 6V8185 NUT-FULL
4 7X0325 BOLT
2 8T4205 WASHER-HARD
1 7460K41 3 Amp Fuse
2 031049 Lock Nut
2 90064A581 Self Tapping Screws
4