New Machine Software is Now Used on Certain Excavators {7610, 7620} Caterpillar


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New Machine Software is Now Used on Certain Excavators {7610, 7620} [M0066260]
ELECTRICAL AND STARTING SYSTEM
ELECTRONICS GP-MACHINE
New Machine Software is Now Used on Certain Excavators {7610, 7620}
Excavator
336D2 (S/N: MFA1-UP; NAH1-UP)
336E (S/N: JEA1-UP; RZA1-UP; SSL1-UP; HDW1-UP; GNY1-UP)
336F (S/N: KGH1-UP; LTP1-UP; MTW1-UP; DFY1-UP)
374F (S/N: AT21-UP; AP41-UP; NFJ1-UP; MFL1-UP; DNM1-UP)
390F (S/N: HJD1-UP; TYE1-UP; MGF1-UP; P4J1-UP; HSM1-UP; GAY1-UP)

Description Of Change: New machine software is now used on certain Excavators. The new software improves operation of the attachment (ATT) switch when activated immediately after the safety lever is unlocked.

Adaptable To: The new machine software is adaptable to the machines listed above. If the ATT cannot be started when the ATT switch is activated immediately after the Safety Lever is unlocked, replace the Machine ECM software with the new software.

Note: Go to SIS web to make sure that the new Flash File part number is still the latest Flash File part number. A newer Flash File part number may be available. SIS web only displays the latest available flash file. The new software is available in the form of a flash file through AVSpare Service Information System (SIS).

Table 1
New Machine Software is Now Used on Certain Excavators 
Sales Model  Description  New Part Number  Part Name  Former Part Number 
336D2  336D2 XE  484-7259  Machine Software Gp  478-8552 
336E  336E H  484-7257  Machine Software Gp  478-8553 
336F  336F XE  484-7258  Machine Software Gp  478-8551 
374F  374F LRC Tier 2  478-8555  Machine Software Gp  478-8552 
374F LRC Tier 3 478-8556  Machine Software Gp  481-8478 
374F 493-9915  Machine Software Gp  478-8554 
390F  390F LRC  478-8559  Machine Software Gp  465-8557 
390F 493-9916  Machine Software Gp  478-8557 

Information System:

349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Gear Pump (Pilot) - Test
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Pump Control (Negative Flow) - Test
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Pump Control (Output Flow) - Adjust
Improved Ignition Circuit Wiring is Now Used for Certain 568 Forestry Machines {1408, 7301}
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Main Pump (Flow) - Test - Constant Horsepower Flow Control
A New Stick Cylinder Group is Now Used on Certain 568 Forestry Excavators {5458}
C2.4 Tier 4 Final Engines for Caterpillar Built Machines Idler Gear - Remove and Install
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Main Pump (Flow) - Test - Hydraulic Power
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Fan Motor Speed (Hydraulic and Radiator Cooling) - Test and Adjust
Installation Procedure for the <NOBR>417-2219</NOBR> Pump Lines Gp On Certain Hydraulic Excavators {5057}
Installation of the <NOBR>500-9248</NOBR> Auxiliary Control Ar (Medium Pressure) on Certain Hydraulic Excavators {5057, 5070}
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Relief Valve (Line) - Test and Adjust
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Specifications
325F Excavator Machine Systems Drift Reduction Valve (Stick) - Remove and Install
C2.4 Tier 4 Final Engines for Caterpillar Built Machines Camshaft - Remove and Install
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Main Hydraulic System
C2.4 Tier 4 Final Engines for Caterpillar Built Machines Crankshaft Gear - Remove and Install
349D2 MHPU Mobile Hydraulic Power Unit Hydraulic System Pilot Hydraulic System
990K Wheel Loader and 844K Wheel Dozer Machine Systems Seat - Remove and Install
312F and 313F Excavator Machine Systems Swing System
300.9D VPS Mini Hydraulic Excavator Machine Systems Return Hydraulic System
816K Landfill Compactor Sound Information and Vibration Information
814 Wheel Dozer Differential and Final Drive Oil - Change
814 Wheel Dozer Differential and Final Drive Oil Level - Check