Operating manual No.
057-2-6-0012-R0
Page 29
Version 2021
EN
If the return is due to gravity,
possible lack of load on the
cylinder
Load the cylinder
Cylinder spring broken
Check and repair the cylinder
Cylinder release valve not
working
Check and repair the cylinder
Internal pump failure
Check the leak in the pump and contact
the manufacturer.
The pump capacity
is insufficient
The pump tank has not been
vented
Vent the tank
Figure 7 – Foot pump (external supply) – check the attached manual
Oil plug
The oil plug present at delivery
must be replaced with the
supplied vented plug
Summary of Contents for HQL 400
Page 17: ...Operating manual No 057 2 6 0012 R0 Page 17 Version 2021 EN ...
Page 33: ...Operating manual No 057 2 6 0012 R0 Page 33 Version 2021 EN SPARE PARTS TECHNICAL DRAWINGS ...
Page 34: ...Operating manual No 057 2 6 0012 R0 Page 34 Version 2021 EN ...
Page 35: ...Operating manual No 057 2 6 0012 R0 Page 35 Version 2021 EN ...