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
HEP103241S HEP103242S
1. Press ‘ON’ button to run the motor to
advance the cylinder.
2. Release ‘ON’ button to stop the motor
and the cylinder retracts.
Note: The ‘OFF’ button has no function.
Circuit Diagram: HEP103241S, HEP103242S
HEP103441 HEP103442
1. Turn manual valve handle to left hand
side position (45° max). Press ‘ON’ button
to advance cylinder. (Flow to port A. Port
B returns flow to the reservoir). See Figure 2.
2. Before retracting the cylinder, return
valve handle to neutral (front) position.
(Both ports A and B are blocked).
3. Turn manual valve handle to the right
hand side position (45° max). Press ‘ON’
button to retract the cylinder (Flow to port
B; port A; returns flow to the reservoir). See
Figure 3.
Figure: 3
Circuit Diagram: HEP103441, HEP103442:
HEP103441LS HEP103442LS
1. Press ‘ON’ button to run the motor and
to advance the cylinder. (Flow to port A.
Port B returns flow to reservoir). The motor
stops with button ‘ON’ released.
2. Press ‘OFF’ button to run the motor and
to retract the cylinder. (Flow to port B; port
A; returns to the reservoir.)
3. Pressure holding of both A and B ports
by means of pilot-operated check valves
when no buttons pressed.
Circuit Diagram:HEP103441LS, HEP103442LS
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 300 working
hours using Hi-Force HFO46 oil.
Have the pump serviced regularly by a Hi-
Force authorised repair centre.
