25
TROUBLE SHOOTING
PROBLEM POSSIBLE
CAUSE CORRECTION
External hydraulic fluid
leakage.
Loose hydraulic connection.
Tighten loose connections.
Defective hydraulic hose,
tubeline, adapter fitting or adapter
fitting o-ring.
Check for origin of oil leak
and replace defective part.
Control valve o-rings defective.
Replace defective o-rings.
Control valve spool or body
damaged or worn.
Replace control valve.
Cylinder rod packing set leakage. Check cylinders for leakage.
Repair as needed.
Hydraulic pump
capacity inadequate.
Cold hydraulic fluid.
Allow hydraulic fluid to warm
up to operating temperature.
Engine R.P.M. too slow.
Increase engine R.P.M.
Low hydraulic fluid supply.
Refer to Tractor Operator’s
Manual for service
recommendations.
Hydraulic hose restriction.
Check for evidence of
restriction in hydraulic hoses.
Hydraulic pump defective.
Refer to Tractor Operator’s
manual for recommended
service procedures. Replace
hydraulic pump if determined
to be defective.
Lift cylinder rods bend
when lift cylinders
extended.
Excessive shock load on lift
cylinders during transport.
Replace defective parts.
Review and observe proper
and safe operational
practices.
Bucket cutting edge
wear is uneven side to
side
Bucket is not level to ground.
Check rear tire inflation and
adjust to level bucket to
ground.
Incorrect operational practices.
Excessive down pressure placed
on bucket when being used on
hard abrasive surfaces.
Refer to operation – scraping
section for correct operating
procedures. Utilize float
position.
Bucket cutting edge
wear rate is excessive.
(Wear rate is even
across full width of
bucket).
Note: Extensive use of
bucket on concrete or
asphalt surfaces will
accelerate wear rate of
bucket cutting edge.
Bucket wear pads worn.
Replace wear pads.
1
6
Series, Model - 2
816
