140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page Page 1 of 7
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Product: MOTOR GRADER Model: 140H MOTOR GRADER 5HM Configuration: 140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine
Testing and Adjusting 120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Power Train Media Number -SENR9159-08
Publication Date -01/04/2008
Date Updated -01/04/2008
i01666365
Power Train Troubleshooting SMCS - 3030-035 S/N - 1AL408-UP S/N - 2AN104-UP S/N - 2FM400-UP S/N - 2GS360-UP S/N - 2HS380-UP S/N - 2WR642-UP S/N - 2ZK2392-UP S/N - 3AS450-UP S/N - 3GM80-UP S/N - 3YK267-UP S/N - 4ER500-UP S/N - 4MK404-UP S/N - 4XM1396-UP S/N - 5AK156-UP S/N - 5FM800-UP S/N - 5HM1150-UP
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page 2 of 7
S/N - 6TM366-UP S/N - 6YN1-UP S/N - 7MM249-UP S/N - 8JM280-UP S/N - 8MN500-UP S/N - 8WN350-UP S/N - 9EJ510-UP S/N - 9JM350-UP S/N - 9TN400-UP S/N - 9YR330-UP S/N - 9ZN205-UP S/N - BDJ1-UP S/N - XZH1-UP S/N - XZJ1-UP S/N - XZK1-UP
Problem The transmission will not shift into any gear from the NEUTRAL position.
Probable Causes
Low battery voltage
Wiring harness connections
Transmission control (lever)
Electrical problem with the transmission modulator control
Main relief valve
Transmission oil pump
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page 3 of 7
Rotating seal leakage in the transmission
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The transmission has lost a single gear.
Probable Causes
The wiring harness for the transmission control
Transmission control (lever)
Electronic control module
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The motor grader has lost multiple forward/reverse gear selections..
Probable Causes
Wiring harness
Solenoids
Transmission control (lever)
Electronic control module
Stations in the transmission control valve
Internal transmission problem
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The transmission slips.
Probable Causes
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page 4 of 7
Low oil pressure
Main relief valve
Valve for the centershift lock
Differential lock valve
Low clutch pressure
Solenoid
Driver in the electronic control module
Damage to the transmission control valve
Contamination in the transmission control valve
Rotating shaft seal
Rotating shaft O-ring
Worn clutch
Mechanical problem
The calibration of the transmission modulator control
Proportional solenoid valves
Clutch piston seal
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The motor grader creeps when the transmission modulator control is fully depressed.
Probable Causes
Calibration for the transmission modulator con trol
Proportional solenoid valves
Wiring harness for the proportional solenoid valves
Contamination in the proportional solenoid valve
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page 5 of 7
Driver in the electronic control module
Internal clutch drag
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem When the transmission shifts a hesitation occurs.
Probable Causes
Low initial pressures on speed clutches
Low initial pressures on the clutches (range)
Contamination in the transmission control valve
Oil temperature sensor
Modulation orifice
Proportional solenoid valve
Calibration of the proportional solenoid valve
Drivers in the electronic control module
Speed sensors
Internal seal leakage on the transmission
Internal pump leakage
Main relief valve
Valve for the centershift lock
Differential lock valve
The oil viscosity has been changed and the transmission control valve has not been recalibrated.
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page 6 of 7
The transmission shifts are harsh.
Probable Causes
Transmission speed sensor
Wiring harness for the transmission speed sensor
Oil temperature sensor
Proportional solenoid valve
Calibration of the proportional solenoid valve
Broken spring in the transmission control valve
A spool in the transmission control valve sticks.
The piston on a clutch sticks.
The oil viscosity has been changed and the transmission control valve has not been recalibrated.
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The transmission shifts are sluggish.
Probable Causes
Slow clutch disengagement
The calibration of the transmission modulator control
The calibration of the proportional solenoid valve
The parking brake drags.
Problem The transmission shifts at the wrong point when the autoshift control is in the ON position.
Probable Causes
Transmission input speed sensor
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine(SEBP2488 - 99) -... Page 7 of 7
Transmission output speed sensor
The electronic control module has the wrong transmission configuration code.
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The transmission does not shift into all the gears when the autoshift is in the ON position.
Probable Causes
Transmission input speed sensor
Transmission output speed sensor
Transmission control
Transmission control is positioned below the programmed lowest gear.
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
Problem The transmission shifts into the wrong gear when the autoshift is in the ON position.
Probable Causes
Transmission input speed sensor
Transmission output speed sensor
For information on the electronic control system, refer to the Power Train Electronic control System Systems Operation, Testing and Adjusting.
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