Hi-Force HAP21034 Series Manuel d'instruction - Page 8
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INSTRUCTION MANUAL – AIR DRIVEN HYDRAULIC PUMPS:
Model Series: AHP1120, AHP1120R, AHP1121, AHP1121R, AHP1122, AHP1122R, AHP1141, AHP1142,
HAP21011, HAP21012, HAP21014, HAP21016, HAP21021, HAP21022, HAP21024, HAP21026, HAP21031,
HAP21032, HAP21034, HAP21036, HAP21041, HAP21042, HAP21044, HAP21046,
HAP21026) and the central position for
models with 3 or 4 way valves
(HAP21031, HAP21032, HAP20134,
HAP20136, HAP21041, HAP21042,
HAP21044, HAP21046) Where valves
are remotely mounted, ensure these
are adjusted such that pressure will not
build up during the starting operation.
11.1 Operation of the Pump:
Hi-Force does not necessarily know what
equipment this pump will power. Read and
understand the appropriate operating
instructions relating to the equipment in use.
1.
With all hydraulic connections
made and air motor running,
operate the directional control
valve (7) if fitted to control the
cylinders or tools in use.
2.
For pumps with 2 way valves:
Turning the lever full clockwise will
supply oil to the service port and
advance the cylinder. Turning the
lever anticlockwise will retract the
cylinder.
3.
For pumps with 3 way valves: Mid
position is the load hold position.
Moving the lever so that it is above
the service port (anti-clockwise)
will supply oil to the port and
advance the cylinder. Moving the
lever away from the service port
will connect the service port to
tank and retract the cylinder.
4.
For pumps with 4 way valves: Mid
position is the load hold position.
Moving the lever so that it is above
either service port will supply oil to
that port and connect the
opposite port to tank.
5.
The pump is fitted with an
adjustable pressure relief valve (6)
to restrict the out-put pressure to
any desired value up to the
maximum working pressure of the
pump. To increase the relief valve
setting 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.
6.
Ensure that the oil level does not
fall below the minimum level as
shown by the lower indicator (2)
12.0 Maintenance:
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
In order to ensure the longest service life and
best performance from your pump, regularly
carry out the following routine maintenance.
Inspect the pump for damage after
each use
If a gauge is fitted to the pump ensure
it is regularly checked to ensure it is
within its calibration limits.
Regularly check the oil level in the
pump reservoir by means of the oil
level gauge ( item 2 in the diagrams)
Never run the pump with the oil level in
the reservoir below its bottom limit.
Change the oil every 500 working hours
always only use Hi-Force HFO46 oil
Have the pump serviced regularly by a
Hi-Force authorised repair centre.