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Fault table – Working attachments
from New Holland F106.6 F106.6A F156.6 F156.6A GRADER Tier III Grader Operator's Manual 84282291 - PDF
Fault table – Working attachments
Fault
Attachment does not respond to control operations
Working hydraulics coasting Attachment sinking slowly to the ground Attachment moving too slowly Blade moving to and fro Blade cannot be moved sideways Hydraulic pump noisy in operation Working hydraulics highspeed mode not operational
1946611.01-en
Remedial action
Check P Adjust E Change W Top up A Reduce S Clean R
Contact Service Dpt. SE
1 2 34 5 67 8 90 1 23 456 7 89 0
Cause Section
Hydraulic oil level too low Working attachment cylinder leaking internally Too much play in blade guide Blade guiderails contaminated/damaged Hydraulic pump defective Resetting springs in control block defective LS regulation defective1) No tank pressure Electrical system defective Linkage / pistons sluggish / defective Replenishing valves contaminated or defective (if installed) Intake line leaking Operating pressure too low Electrical fault (arrestor bolt)
A SE P/W R SE SE SE SE SE SE SE SE SE SE
1) Load-pressure-dependent (load sensing)
Front-wheel drive of all-wheel version (EDCV), fault table
Fault
No traction of front wheels
Insufficient traction of front wheels Excessive traction of front wheels Front wheels blocking during straight-ahead driving Front wheels blocking during gearshift from 3rd into 4th gear Front wheels braking in 4th and 5th gear Front wheels braking with front-wheel drive shut off Rattling noise from wheel motors Pump shaft seal defective Front wheel spinning freely or blocking Hydrostatic drive getting too hot
20000044.01-en
Remedial action
Check P Adjust E Replace W Top up A Decrease S Clean R
Contact service dept. SE
1 2 34 5 67 8 90 1 23 456 7 89 0
Cause Section
Pressure in pump housing too high Pressure in wheel-motor housing too low Air in control line to wheel-motor drive EDCV power supply interrupted On/Off switch or solenoid valve defective Incorrect signals from gearbox control block EDCV control defective Pressure cutoff valve defective High-pressure limiting valve defective Scavenging valve defective Feed pressure too low Wheel motor defective Pump drive coupling defective Programmed values incorrect Speed level switch defective Proportional valve defective Wheel-motor control defective Incorrect signal from inductive pick-up Hydraulic differential lock defective Accumulator precharge pressure too low (only all-wheel version)
