Recommended Transmission Configurations and Software Improves Machine Service Life on Certain 797 Off-Highway Trucks {7610, 7620}
- Off-Highway Truck/Tractor
- 797 (S/N: 5YW1-UP)
- 797B (S/N: JSM1-UP)
- 797F (S/N: LAJ1-UP; WSP1-UP)
- 797B (S/N: JSM1-UP)
Reference: Testing and Adjusting, KENR8394, Engagement Pressure for the Transmission Clutch - Calibrate
Reference: Testing and Adjusting, KENR8394, Fill Time for the Transmission Clutch - Calibrate
Recommended transmission configurations and software will improve the service life of the machines listed above.
Show/hide table
| NOTICE |
|---|
|
The correct procedure is important and must be followed when installing a transmission into chassis. The correct sequence must be followed for the truck software to use the correct parameters for a specific transmission arrangement. |
Follow the below sequence to install transmission:
- Flash the correct software for the installed transmission arrangement.
Show/hide table
Illustration 1 g03566831 Show/hide tableNOTICE The engine needs to be in the off position when changing/updating the transmission serial number prefix or damage may occur.
- Within ET, configure the transmission serial number for the correct arrangement installed (MNYxxx, JH5xxxx, R1Nxxxx).
Note: The transmission calibration required event will activate when changing the transmission serial number prefix, the calibration required event is expected behavior.
Show/hide table
Illustration 2 g03259917 Show/hide table
Illustration 3 g03259936 Show/hide table
Illustration 4 g03259976 Show/hide table
Illustration 5 g03260056 Show/hide table
Illustration 6 g03260516 - Perform the transmission pressure calibration as per Testing and Adjusting, KENR8394, Engagement Pressure for the Transmission Clutch - Calibrate. Refer to Illustration 2 through Illustration 6.
Show/hide table
Illustration 7 g03807158 Select "Transmission Fill Calibration" Show/hide table
Illustration 8 g03807162 Set up Conditions for Transmission Fill Calibration - Perform the transmission fill calibration as per Testing and Adjusting, KENR8394, Fill Time for the Transmission Clutch - Calibrate. Refer to Illustration 7 and Illustration 8.
Show/hide table
| NOTICE |
|---|
|
Failure to follow this specific order sequence will cause the incorrect calibration values and software logic to be used for a given transmission arrangement. An incorrect sequence can lead to a premature transmission failure. |
Caterpillar Information System:
Compensator Cylinder may Leak on Certain TH357D, and TH408D Telehandlers {5816} Compensator Cylinder may Leak on Certain TH357D, and TH408D Telehandlers {5816}
PM620 and PM622 Cold Planer Maintenance Interval Schedule
Do Not Use Delayed Engine Shutdown Option on Certain TH3510D, TH357D and TH408D Telehandlers {7610, 7620} Do Not Use Delayed Engine Shutdown Option on Certain TH3510D, TH357D and TH408D Telehandlers {7610, 7620}
Improved Cleaning Process for the Cabin Grounding Studs Are Now Used on Certain TH3510D, TH357D, and TH408D Telehandlers {1408} Improved Cleaning Process for the Cabin Grounding Studs Are Now Used on Certain TH3510D, TH357D, and TH408D Telehandlers {1408}
PM820, PM822, and PM825 Cold Planer Maintenance Interval Schedule
Event Identification Number (EID) Above 60000 is Now Used on All Cat® Products {1400} Event Identification Number (EID) Above 60000 is Now Used on All Cat® Products {1400}
24 Motor Grader Engine Valve Lash - Inspect/Adjust
The Steering Lines Group is Improved on Certain 795 AC Off-Highway Trucks {4304} The Steering Lines Group is Improved on Certain 795 AC Off-Highway Trucks {4304}
The 160-8178 Connecting Rod Pin End May Fail on Dealer Reconditioned or Reused Connecting Rods for Certain 3412 Engines {1225} The 160-8178 Connecting Rod Pin End May Fail on Dealer Reconditioned or Reused Connecting Rods for Certain 3412 Engines {1225}
The Material Handling Boom May Fail on Certain MH3022, MH3024 Material Handlers, and M322D 2 Wheeled Excavators {6501} The Material Handling Boom May Fail on Certain MH3022, MH3024 Material Handlers, and M322D 2 Wheeled Excavators {6501}
A New Door Seal is Now Used on Certain Telehandlers {7301, 7325} A New Door Seal is Now Used on Certain Telehandlers {7301, 7325}
New Main Hydraulic Control Valve Section Centering Spool Spring Is Now Used on Certain Wheel Feller Bunchers {5051} New Main Hydraulic Control Valve Section Centering Spool Spring Is Now Used on Certain Wheel Feller Bunchers {5051}
Cat® Terrain v7 for Grading and Loading Windows (Blade Control)
Larger Front Apron Cylinders are Now Used on Certain Asphalt Pavers {5102, 7562} Larger Front Apron Cylinders are Now Used on Certain Asphalt Pavers {5102, 7562}
C7.1 Industrial Engines Temperature Sensor (DPF) - Remove and Install - Inlet and Outlet Temperature Sensors (DPF)
New Engine Software for Certain C4.4 Machine Engines {7610, 7620} New Engine Software for Certain C4.4 Machine Engines {7610, 7620}
PM820, PM822, and PM825 Cold Planer Access Ladder Operation - Right Handrail Extend and Retract
Alternator Diode May Be Fitted Incorrectly or Missing on Certain TL642D and TL943D Telehandlers {1405} Alternator Diode May Be Fitted Incorrectly or Missing on Certain TL642D and TL943D Telehandlers {1405}
PM820, PM822, and PM825 Cold Planer Side Plate - Index Marks
Procedure to Update Pump Electronic Tank Unit (PETU) Coolant Lines on Certain 797F and 793F Off-Highway Trucks {108H, 108J, 108K, 1091, 726A} Procedure to Update Pump Electronic Tank Unit (PETU) Coolant Lines on Certain 797F and 793F Off-Highway Trucks {108H, 108J, 108K, 1091, 726A}
Bolt Replacement Guidelines for Certain C175 20 cylinder Off-Highway Truck Engine Air System Support Components {0635, 1052} Bolt Replacement Guidelines for Certain C175 20 cylinder Off-Highway Truck Engine Air System Support Components {0635, 1052}
New Adapter Elbow Assembly for Self Cleaning Filter is now Used on Certain Off-Highway Trucks {5050} New Adapter Elbow Assembly for Self Cleaning Filter is now Used on Certain Off-Highway Trucks {5050}
New Process for Bolts Used for Air System Supports is Now Available for Certain Off-Highway Truck Engines {0635, 1052} New Process for Bolts Used for Air System Supports is Now Available for Certain Off-Highway Truck Engines {0635, 1052}
PM820, PM822, and PM825 Cold Planer Wear Plates - Inspect/Replace - Wear Skis