VEVOR TF15 Mode D'emploi page 7

(NOTE: DO NOT ATTEMPT TO REPAIR THE TABLE TRUCK
UNLESS YOU ARE TRAINED AND AUTHORIZED TO DO SO.)
Trouble
The table can not be
lifted up ,while activate
the foot pedal.
The table can not be
lowered quickly ,while
release the valve quickly.
Leaks
The table descends
without the release valve
works.
TROUBLE SHOOTING
Clause
-The set screw is not in correct
position ,the pump valve is opened.
-The hydraulic oil has impurities.
-The hydraulic oil is not enough.
-Air come into the hydraulic oil.
-The set screw is not in correct
position ,the pump valve is not
opened at all.
-The hydraulic oil has impurities.
-Air come into the hydraulic oil.
-Sealing parts worn or damaged.
-Some parts cracked or worn into
small.
-The set screw is not in correct
position ,the pump valve is not
closed at all.
-The impurities in the oil cause the
valve to be unable to closed tight.
-Air come into the hydraulic oil.
-Some parts of hydraulic system is
cracked or bored.
-Sealing parts worn or damaged.
Fixing Methods
-Adjust the set screw(26) up or
the set screw(23, forward.
-Change the oil.
-Fill the oil. Remove the long
bolt(11). Add enough oil. Then
tighten the screws.
-Banish the air(pump air
breather(11)).
-Adjust the set screw(26)down or
the set screw(23) backward.
-Change the oil.
-Banish the air(pump air
breather(11)).
-Replace with the new one.
-Replace with the new one.
-Adjust the set screw(26) up or
the set screw(23) forward.
-Change the oil.
-Banish the air(pump air
breather(11)).
-Inspect and replace the waste
parts with the new one.
-Replace with the new one.