09200-04440 PUMP ASSY, INJECTI Denso Cross

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PRIORITY - FUEL INJECTOR TIMING NEEDS TO BE RESET TO NEW DIMENSION ON CERTAIN 785 TRUCKS & 3512 ENGINES - MAILED US, CAN ADA, BRAZIL, LIMITED COFA, COSA
  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.
U-128 AU-78.1 B-8 O-72.1 PRIORITY 1290 PI3345 COMPLETION DATE Termination Date
February 28, 1989 August 31, 1989
Problem
The dimension for fuel injector timing has been changed. The new dimension will help increase the service life of the pistons.
Affected Product
Model Identification Number 785 8GB127, 173, 174, 197, 208, 209, 221, 223, 224, 228-230, 232-236, 241-243, 244-254, 257, 265, 267, 268, 270 3512 96Z381, 391
Parts Needed
1 - 4W5140 Plate
Action Required
Change the fuel injector timing to 87.3 mm using the procedure in the Service Manual. Stamp the information which follows on the new information plate and install the plate. AR NO. 1W5220 PERF SPEC 0T5183 MAX ALT 2250 M FULL LOAD STATIC FUEL 8.80 mm FULL TORQ. STATIC FUEL 11.0 mm POWER 1382 hp 1031 kw A/F RATIO DYNAMIC 2.00 mm BARE ENG. HIGH IDLE RPM 1950 FULL LOAD RPM 1750 FUEL TIMING 87.30 mm
Service Claim Allowances
Caterpillar