Troubleshooting Guide - Bolens DuraTrac DGT 1800 Service Manual

5100 SERIES
TRACTOR
PAGE 6-4 Rev. 3/92
HYDRAUliC SYSTEM (Continued)
TROUBLE SHOOTING GUIDE
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No Hydraulic power at start-up
.. ..
" • •
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Rough or jerky hydraulic at start-up
• • • •
Rough or jerky hydrostatic at-start-up
• • •
• "
•
low hydrostatic power when cold
•
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• • •
•
low hydraulic power when cold
"
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• • •
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low hydraulic power when hot
..
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.. ..
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Low hydrostatic power when hot
" •
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Rough or jerky hydraulics when hot
• •
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Rough or jerky hydrostalic when hot
• •
.. ..
• • •
Hydraulic system unable to lift load
•
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• • • • "
..
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Hydraulic system lilts load slowly
• • " • •
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.. ..
• "
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load drops when valve In neutral
.. ..
Inoperative or slow auxiliary circuit operation
•
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low power in steering circuil, hard steering
..
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.. .. ..
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..
Steering 'wanders' during operation
..
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Steering pulls to either or both directions
•
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Excessive hydraulic line vibration
..
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..
Hydraulic fluid overheats
"
.. .. .. .. ..
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..
lift actuates when in 'float' and
"
auxiliary circuit is activated
Pulsation in steering when lilt actuated
"
Hydraulic filter gasket or liHer case ruptures
"
..
..
No manual steering operation immediately
after shut-down
"
"
lift slows when steering Is activated
..
"
..
left tum steering action slower than right
..
Erratic rate ot steering movement,
jerky steering
..
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.. ..
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Pulsation in hydrostatic control pedal
• •
.. .. .. ..
Noisy hydraulic or hydrostatic when hot
•
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Oil 'boiling'
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1,3
1,3
1,2,3
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1,2,3
All
All
1,2,3
All
1,2,3
2-5
All
5
1,2,3,5
1,5
3,5
1,3
•
2
2
1
1,2,3
1,3
1,2,3
1,3
..