Bike-Lift TWIN-ARMS MTA 516, Use And Maintenance Manual

Page: 31 / 39

Operating manual No. 057-2-6-0013-R0
Version
2018
Page 32
EN
8.5.1 AIR PUMP
PROBLEM PROBABLE CAUSE REMEDY
The pump does not
start The compressed air line is
closed or blocked Verify that compressed enters the pump
The pump locks
under load
Air pressure too low
Check that the supply pressure (air) is
between 6 and 10 bar
Dirty or clogged air filter
Clean or replace the filter
The pump works
but does not send
oil under pressure
Oil leak in the main hydraulic
system Check for oil leakage and repair where
necessary
Internal leakage of the pump
Return the pump to the manufacturer
for repair
Oil level too low Check the oil level and fill it up if
necessary
The pump does
not reach
maximum
pressure
Air pressure too low
Check that the supply pressure (air) is
between 6 and 10 bar
Internal safety valve outside
calibration
Contact the manufacturer
Oil leak in the main system Check for leakage and repair where
necessary
The pump goes
under pressure
but the load does
not move Excessive load Reduce the load
The oil does not circulate
properly
Make sure there are no blocks in the
pipes and the cylinder is not faulty
The piston does
not retract even if
the pedal or
return button is
pressed If the return is due to gravity,
possible lack of load on the
cylinder
Check the oil supply line
Return spring broken
Return the pump to the manufacturer
for repair
The pump
capacity is
insufficient
Air pressure too low
Check that the supply pressure (air) is
between 6 and 10 bar
Dirty or clogged air filter
Clean or replace the air filter