Hi-Force AHP1122R Series Інструкція з експлуатації - Сторінка 6
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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,
PROBLEM
POSSIBLE CAUSE
Pump cannot be
Compressed air line closed or
started
clogged
I nsufficient air pressure
Pump stops w orking
under load
Air filter dirty or clogged
Oil leak in the main hydraulic
circuit.
Pump operates but
Pump internal leak
no pressurizes oil is
deliv ered
Low oil lev el
I nsufficient air pressure
I nternal relief v alv e incorrectly
Pump fails to reach
set.
maximum pressure
Oil leak in the main hydraulic
circuit
Excess load
Pump deliv ers
pressurized oil but
Oil circulation fault
load is not lifting
Oil leak in the main hydraulic
Piston retracts
circuit
although treadle is
not pressed on
RELEASE side
Pump internal fault
Oil pressure line obstructed or
coupling incorrectly connected
I f piston is designed to return
under grav ity, ensure load is
Piston fails to perform
sufficient
retract stroke (single
acting cylinder)
Cylinder spring broken
Cylinder release v alv e not
w orking
Oil pressure line obstructed or
coupling incorrectly connected
Piston fails to perform
retract stroke (single
Cylinder release v alv e not
acting cylinder)
w orking
I nsufficient air pressure.
Pump
flow
rate
Air filter dirty or clogged.
insufficient
Reserv oir breather plug or
screw not opened
8.0 Description HAP series of Air Driven Pumps
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
Hi-Force HAP series pumps are designed to
CORRECTIV
Check compress
operate high pressure hydraulic cylinders and
pump
tools with a maximum working pressure of 700
Check compress
bar. These instructions cover all HAP2-3 series
pump is betw een
models. Refer to nameplate on pump for
Clean or Renew
model identification.
Check the circuit
repair as necessa
Common models and uses are given below:
Check for leaks a
MODEL
pump to manufac
HAP21011
repair
Check lev el and
HAP21012
necessary
HAP21014
HAP21016
Check compress
pump is betw een
Contact the man
HAP21021
HAP21022
Check for oil leak
HAP21024
manufacturer
HAP21026
Reduce
Check if pipeline
obstructed or if c
HAP21031
w orking correctly
HAP21032
Check the circuit
repair as necessa
HAP21034
HAP21036
Check for leaks a
manufacturer
HAP21041
Check oil pressur
HAP21042
HAP31044
HAP21046
I ncrease load on
Repair
Repair cylinder
9.0 Safety:
FAILURE TO OBSERVE THE FOLLOWING
WARNINGS COULD RESULT IN SERIOUS BODILY
Check oil pressur
INJURY.
Ensure that all equipment connected
●
Repair cylinder
to the pump is in good condition and is
all rated for 700 bar operating pressure.
Check compress
Always stand the pump on a stable
●
pump is betw een
level surface during operation.
Clean or Renew.
Never invert the pump or lay it on its
●
side either in use, transport or in
Open breather P
storage.
described in sect
Inspect hoses regularly for damage
●
and wear. Do not use hoses that are
frayed, abraded or leaking.
Never move the pump by pulling the
●
hoses.
Do not work with hoses sharply bent or
●
kinked.
Do not handle hoses that are
●
pressurised. Oil escaping under
pressure can penetrate the skin
causing serious injury. If oil is injected
HYDRAULIC CONNECTIONS
No control valve fitted.
Pump (P) and tank (T)
connections for single and
double acting cylinders
controlled by remote mounted
valves.
2 way valve for operating single
acting cylinders and tools
requiring advance and retract
but no "hold" function. For
example crimpers and cutters.
3 way valve for operating single
acting cylinders requiring
advance, retract and central
load hold position. For example
simple lifting operations
4 way valve for operating double
acting cylinders requiring
advance, retract and central
load hold position. For example
lifting and positioning requiring
more control.