Pneusej Venga 400, Руководство по эксплуатации

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Hydraulics
Problem Cause Fix
Fan doesn’t rotate with
needed speed.
Small oil flow, wrong size of
joints.
Lack of oil.
High feedback pressure. Choose line with adequate
diameter and big joints.
Check and fill up oil.
Check oil filter, use joints
with bigger flow.
Oil leakage near hydraulic
motor. Shaft seal is wear or wrongly
mounted. Change seal.
Fan speed is insufficient. Incorrectly set three-way
valve.
Insufficient quantity or oil
pressure. Check the three-way valve
setting.
Check the pressure limiting
valve.
High temperature of
hydraulic oil. The oil flow has to be
regulated on the tractor.
Three-way valve is set as
two-way. Fully open three-way valve
for flow regulation on the
machine and regulate oil
flow on the tractor.
Set three-way valve
correctly.
Hydromotor skips shortly. Too little oil. Fill up oil.
Marker folds very fast. Choke washer in hydraulic
system is missing.
Regulation valve is set
wrongly. Install the washer.
Set the regulation valve.
Marker folds very slow or
doesn’t fold.
Flap in hydraulic system is
clogged.
Flap in hydraulic is under-
sized. Clean the flap.
Replace flap.
Both markers fold together. Switching valve is faulty. Replace switching valve.
Marker doesn’t move. Flap in hydraulic is clogged. Clean flap.
Dosing unit
Problem Cause Fix
Cracking sounds in dosing
unit. Very large seed.
Foreign object in the dosing
unit. Unmount pins from tedder
shaft
Remove foreign object.