Impact of the Hurricanes on Fuel Supplies and Caterpillar Engines Caterpillar


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Impact of the Hurricanes on Fuel Supplies and Caterpillar Engines [TIBU4648]
ENGINE ARRANGEMENT
Impact of the Hurricanes on Fuel Supplies and Caterpillar Engines

CONFIDENTIAL TIBU4648-00

TECHNICAL INFORMATION BULLETIN

October 04, 2005

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Component Code(s) 1000 and 1280

SUBJECT: Impact of the Hurricanes on Fuel Supplies and AVSpare Engines.

PROBLEM:

Following the disaster of hurricane Katrina and then Rita, the EPA has authorized limited use of diesel fuel with higher sulfur content. This diesel fuel has sulfur content higher than 500 PPM (0.05%), and in some cases, as high as 5000 PPM. The diesel fuel contains a red dye. Several inquiries have been received concerning the use of these fuels and the potential damage to the engines that use these fuels. Higher sulfur levels have raised concern about the catalytic converter/mufflers as well. Using these fuels could increase exhaust backpressure, and the life of exhaust piping may also be reduced

SOLUTION:

Because of the technology used within our ACERT engines, the higher sulfur content fuels will not cause any internal engine damage. If fuel is used that contains more than 500 PPM (0.05%) there are some recommendations that should be considered. First, oil sampling should be used to determine oil change intervals. Second, a fuel/water separator is recommended with the use of these fuels. Refer to the Information Release Memo PELJ0521 for information regarding retrofitting fuel/water separators for on-highway truck engines.

The EPA has authorized the use of these fuels. There maybe some issues concerning fuel taxes as well as other regulatory issues that have not yet been considered. Keeping complete records of all the fuel purchased is recommended.

COPYRIGHT 2005 AVSpare
ALL RIGHTS RESERVED

Information System:

740 EJECTOR Articulated Truck, Addition of Spacer Plates Avoids Contact Between Ejector Carriages and End Plates
Steering Column Harness Assembly Kinking on G/GII Medium Wheel Loaders
725, 730, 730 EJECTOR & 735 Articulated Trucks, Pinion Locknut for Field Service
Product Link PL121SR (P/N 263-9088) May Remain in Power Mode 3
Software Update for AccuGrade Valve Control Module
THE PUMP DRIVE SHAFT SEAL LEAKS ON THE SOIL COMPACTORS
700 Series Articulated Trucks, Disc Stack-Up Change in the Differential and Bevel Gear Gps, SIS Information has Changed
Fuel Leaks on the Fuel Injection Pumps on 3208 Applications
700 Series Articulated Trucks, Differential and Bevel Gear, Service Part Inventory May Have Dowels Installed Incorrectly
3400 V - Block Cleaniness at Gov'n Oil Supply Line
Problem with Gears in Axle Arrangements for Wheel Loaders and Integrated Toolcarriers
FUEL DELIVERY PROBLEMS ON THE LARGE SOIL COMPACTORS
THE 216-6195 LINK CAN RUB ON THE LIFT CYLINDER PIN ON SOME SKID STEER LOADERS & MULTI TERRAIN LOADERS
Incorrect Seal Used to Repair Leaking Pilot Valves On Integrated Toolcarriers, Track Type Tractors, Wheel Dozers, and Wheel Loaders
Premature Wear of the Accessory Drive Thrust Washer on 793 Off Highway Truck Engines
System Malfunctions Related To The Injection Actuation Pressure Sensors In Excavators, Wheel Loaders, Engines, Track-Type Tractors and Track Loaders
725, 730 & 730 EJECTOR Articulated Trucks, Loss of Positioning of Valve Spool and Overheating of Hydraulic Oil Eliminated by New Plug in Hoist Control Valve
Product Link PL121SR (P/N 263-9088) May Remain in Power Mode 3
PRODUCT SUPPORT PROGRAM FOR INSPECTING AND REWORKING FRONT WHEEL BEARING RETAINER BOLTS ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR SETTING THE HYDRAULIC FAN SPEED ON CERTAIN 794 AC, 796 AC, AND 798 AC OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BRAKE CHARGE\BRAKE COOLING PUMP GROUPS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REWORKING THE SERVICE BRAKE HOSE LINES ON CERTAIN 966M AND 972M MEDIUM WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP ON CERTAIN 773E OFF-HIGHWAY TRUCKS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE REAR PUMP DRIVE LINES GROUP ON CERTAIN 994K WHEEL LOADERS