YATO YT-17000 Manual Original página 10

Solution of problems
The lift lowers under The lift does
a load not lift a load
X
X
X X
X X
Replacement of the back spring in the powered lifts
It is required to have the following maintenance action realised in a specialised service point.
Lower the saddle of the lift, so that the back spring is as little stretched as possible. Using a tool remove the damaged spring from
the holes and replace it with a new one. Check the functioning of the lift.
O R I G I N A L
10
The lift does not
The pump springs
lift a load to the full
back during lifting
height
X X
X X
I N S T R U C T I O N S
GB
The lift does not Oil is leaking from
lower completely under the plug
X
X
X
There may be insuffi cient quantity of oil
in the lift. Fill the oil tank.
Air in the hydraulic system. Purge the
hydraulic system.
There may be excessive quantity of oil
in the lift. Remove the excess of oil
The valves may not close completely.
Lift the arm of the device a couple
of times without any load and then
lower it.
A damaged back spring.
Moving elements are not lubricated.
Deformed arm driving elements.
The release valve is not completely
closed. Close the release valve.