OPERATOR INSTRUCTION MANUAL
IM_HP_EX_Rev03_A4
HP350SMINEX; HP350DMINEX; HP550SMINEX;
HP550DMINEX; HP1000SMINEX; HP1000DMINEX
HYDRAULIC SEALED HAND PUMPS
15
6.
TROUBLESHOOTING
6.1
HP350SMINEX/HP550SMINEX/
HP1000SMINEX/HP350DMINEX/
HP550DMINEX/HP1000DMINEX
TROUBLESHOOTING
HOSES ARE CONNECTED BUT THE TOOL
DOES NOT ADVANCE. THE PRESSURE ON THE
PUMP HANDLE IS MINIMAL
P O S S I B L E C A U S E :
The Release valve is in the retract (open) position
(and the control valves are open on the HP-D).
R E C O M M E N D E D A C T I O N :
Close the release valve (and the control valves on
the HP-D).
CLOSE RELEASE
VALVE
HOSES ARE CONNECTED AND THE PUMP
QUICKLY REACHES MAXIMUM PRESSURE
BUT THE TOOL HAS NOT ADVANCED
P O S S I B L E C A U S E :
One or more of the connectors are not fully tightened
and the hydraulic oil cannot pass through from the
pump to the cylinder.
R E C O M M E N D E D A C T I O N :
Check all connectors are fully tightened and the
release valve is in the fully closed position.
HOSES ARE CONNECTED AND THE TOOL
ADVANCES BUT THERE IS MINIMAL
PRESSURE ON THE PUMP HANDLE; THE
HANDLE IS RISING BACK OF ITS OWN
ACCORD
P O S S I B L E C A U S E :
There is dirt or a damaged valve seat within the
pump unit.
R E C O M M E N D E D A C T I O N :
The pump should be sent to an authorised Equalizer
distributor for repair.
