INSTRUCTION MANUAL – Electric Driven Pump Series HEP:
Model Series: HEP1, HEP103, HEP2, HEP3, HEP5
Hi-Force Limited – Prospect Way – Daventry – Northants NN11 8PL – United Kingdom
Tel: +44(0) 1327 301000: Fax: +44(0) 1327 706555: Website: www.hi-force.com
turn the control knob clockwise. To
decrease the relief valve setting turn the
control knob anticlockwise. Leaving the
pump running for extended periods with
the relief valve operating will cause the oil
to overheat.
3. Ensure that the oil level does not fall
below the minimum level as shown by the
lower indicator (7)
OPERATION OF PUMPS WITH SOLENOID
VALVES
1. Turn switch to ‘on’ position (8)
2. Depress ‘advance’ button on pendant
to advance cylinder. (Cylinder remains in
the load holding position when button
released).
3. Depress ‘retract’ button to retract
cylinder.
OPERATION OF PUMPS WITH SOLENOID
VALVE AND AUTO RETRACT FUNCTION
1. Turn switch to ‘on’ position (8)
2. Depress ‘advance’ button on pendant
to advance cylinder. (Cylinder will not
remain in the load- holding position when
button is released).
3. Release ‘advance’ button to retract
cylinder.
MAINTENANCE
To ensure reliable operation and long life it
is important to carry out maintenance at
set intervals. You should always follow
these simple rules:
•Inspect the pump for damage after each
use.
•Change the oil every 500 working hours
using Hi-Force HFO46 oil.
•Have the pump serviced regularly by a
Hi-Force authorised repair centre.
Always make sure that:
• The pump is cleaned before returning to
storage.
• Lubricate moving parts.
• Check that there are no external
hydraulic oil leaks.
• Make sure the pump has not suffered
any external damage, as a result of
impacts, etc.
