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Operating instructions
Rescue
Hand pump LH2
and accessories
179101085 GB
Publication 12.2008
(Translation of the original operating instructions)
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Page 3
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Contents Page
1. Danger classes 4
2. Product safety 4
3. Proper use 7
4. Main components of the hand pump 8
5. Functional description 8
5.1 Base pump 8
5.2 Adapter blocks 9
6. Connection options for rescue equipment 9
6.1 Fittings 9
6.2 Quick-disconnect-couplings 10
6.3 Monocouplings 11
7. Commissioning 12
7.1 Unlocking the pump 12
7.2 Retracting the handle 12
7.3 Bleeding the pump 12
8. Operation 13
8.1 Operation 13
8.2 Shutdown / storage 14
9. Transport 14
10. Maintenance and repair 14
10.1 Basic requirements 14
10.2 Maintenance 15
10.3 Hydraulic uid change or adding hydraulic uid 16
10.4 Care 16
10.5 Repair 17
11. Troubleshooting 20
12. Technical data 23
12.1 Data of the hand pumps 23
12.2 Hydraulic uid recommendation 24
12.3 Hose lines 25
12.4 Operating and storage temperature ranges 25
13. Notes 26
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Danger classes1.
We distinguish between various categories of safety instructions. The table shown below
shows you the overview, via the assignment of symbols (pictograms) and signal words, of
the concrete danger and the possible consequences.
Pictogram
Damage /
injury to
human
device
- NOTE
Key word Denition Consequences
DANGER! Immediate danger
WARNING!
CAUTION!
CAUTION!
Potentially
dangerous
situation
Less dangerous
situation
Danger of damage
to device /
environment
Advice for
application and
other important /
useful information
and advice
Death or major
injury
Potential death or
major injury
Minor or slight
injury
Damage to the
equipment,
damage to the
environment,
damage to
surrounding
materials
No injury /
damage to
persons /
environment /
equipment
Wear helmet with face guard
Wear protective gloves
Wear safety shoes
Proper recycling
Protect the environment
Read and follow operating
instructions
Product safety2.
LUKAS products are developed and produced in order to ensure the best performance and
quality with proper use.
The safety of the operator is the most important consideration in the product design.
In addition, the operating instructions are to help in using the LUKAS products safely.
In addition to the operating instructions, all generally applicable, statutory and other
binding rules for accident prevention and for environmental protection must be heeded and
disseminated.
The device must only be operated by educated persons who are trained in safety technology,
since otherwise there is a risk of injury.
We advise all users before using the device to carefully read through the operating instructions
and to follow the instructions contained therein without exception.
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We also recommend that you get instructed by a qualied trainer in the use of the product.
WARNING / CAUTION!
The operating instructions for the hoses, the accessories and the connected
devices must also be heeded!
Even if you have already received instruction, you should read the following safety instructions
again.
Make sure that no body parts
or clothing get between the
openly visible moving parts of
the device.
Wear protective clothing,
protective helm with visor,
safety shoes and protective
gloves.
Working under loads is
prohibited if they are raised
exclusively with hydraulic
devices. If this work is
unavoidable, sufcient
mechanical supports are
additionally required.
In the event of malfunctions,
shut down the device
immediately and secure it. You
should have the malfunction
repaired immediately.
Heed all safety instructions
and hazard warnings on the
device and in the operating
instructions.
Immediately report changes
that occur (including changes
in operating behaviour) to
the appropriate persons/
departments! If necessary,
immediately shut down and
secure the device!
Check the device for visible
defects or damage before and
after use.
Check all lines, hoses and
screwed connections for leaks
and externally visible damages
and repair immediately!
Escaping hydraulic uid can
lead to injuries and res.
Do not make any changes
(add-ons or conversions) on the
device without the approval of
LUKAS.
All safety instructions and
hazard warnings on the device
are to be kept intact and in a
legible condition.
Make sure that all safety covers
are present on the device and
in proper working condition.
Safety equipment must never
be disabled!
Any work procedure that
detracts from the safety and/or
stability of the device should be
abandoned!
The maximum permissible
operating pressure must not be
changed.
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Before switching on/engaging
the device or while operating
the device, it must be ensured
that no one is endangered by
the operation of the device.
When working in the vicinity
of live components and lines,
take appropriate measures for
preventing current transfers or
high voltage ashovers to the
device.
Prevent electrostatic discharge,
which has the possible
consequence of spark
formation, when handling the
device.
The device is lled with
hydraulic uid. These hydraulic
uids can be detrimental to
health if they are swallowed
or their vapours are inhaled.
Direct contact with the skin
should be avoided for the same
reason. Also, when handling
hydraulic uids, note that they
can negatively affect biological
systems.
Make sure there is adequate
lighting while working.
Always keep these operating
instructions easily accessible
at the site where the device is
used.
Observe all intervals that
are prescribed or specied
in the operating instructions
for recurring tests and/or
inspections.
For repairs only original LUKAS
accessories and spare parts are
to be used.
Make sure that you do not
get caught in the hose loops
and trip when working with or
transporting the device.
When the hand pumps are set
up, care needs to be taken
that they are not impaired by
extremely strong temperature
changes.
When operating and/or storing
the device, make sure that the
function and the safety of the
device are not impaired by
strong external temperature
differences or that the device is
damaged. Keep in mind that the
device can also heat up when it
is continuously used.
Before transporting the device,
always check to see that the
accessories are positioned
securely to prevent the
possibility of an accident.
Make sure you properly dispose
of all removed parts, leftover
hydraulic uid, leftover oil and
packing materials.
In addition to the safety instructions of these operating instructions, all generally applicable,
statutory and otherwise binding national and international rules for accident prevention need
to be heeded and disseminated!
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WARNING / CAUTION / ATTENTION!
The device is specied exclusively for the purpose represented in the operating
instructions (see Chapter "Proper use"). Any use that differs or goes beyond this is
considered improper. The manufacturer/supplier shall not be held liable for damages
resulting from improper use. The risk shall be borne solely by the user.
Proper use also includes heeding the operating instructions and complying with the inspection
and maintenance requirements.
Never work in a fatigued or intoxicated state!
Proper use3.
The LUKAS hand pump is used for the operation of LUKAS rescue devices.
They can be used as an additional or replacement drive source along with the LUKAS
hydraulic unit (e.g. in areas at risk for explosion).
Use with equipment of other manufacturers is possible, but requires technical testing and
approval of LUKAS on a case-by-case basis.
WARNING / CAUTION / ATTENTION!
Always note the product limitations with respect to operating pressure, load limit
values and operating conditions. The operating pressure should not be higher
than the lowest maximum operating pressure of any system components.
The operating pressure should NEVER be set higher than that which is specied
in the "Technical Data" chapter. A higher setting may cause property damage
and/or injuries.
Make sure that the usable capacity of the hand pump (see chapter "Technical
Data") is sufcient for operating the connected cylinders or devices.
The required hydraulic uid operating quantity can be found in the chapter
"Technical Data" or in the operating instructions of the devices to be operated.
Accessories and spare parts for the rescue equipment can be obtained from your authorised
LUKAS dealer!
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Main components of the hand pump4.
4
3
6
1 Drain valve
2 Connection plate with
ttings or couplings
3 Vent / ll cap
4 Retractable pump
lever
5 Tank
6 Lock
7 Base plate
5
7
1
2
Functional description5.
5.1 Base pump
All LUKAS hand pumps of this series are two-speed, i.e. they have two operating speeds:
• A high speed in the low pressure range (LP) for fast extension of the cylinder or device
while unloaded
• A low speed in the high pressure range (HP) for controlled extension of the cylinder or
device while loaded
The switch from low pressure (LP) to high pressure (HP) is automatic at the factory setting
for changeover pressure (see chapter "Technical Data").
A pressure port "P" with a G1/4" thread and a return port "T" with an M10 thread are directly
available as ports on the pump.
To connect rescue equipment, adapter blocks must be installed (see subchapter "Adapter
blocks" for more information). In the case of the hand pumps sold by LUKAS, one of these
adapter blocks is always included as standard equipment and is already installed.
Of course, the installed adapter blocks may be replaced with other ones. However, you must
contact an authorised LUKAS dealer or contact LUKAS directly.
The retractable handle of the LUKAS hand pump combines low required pumping force with
compact dimensions for storage and transport.
In addition, the LUKAS hand pumps for rescue equipment are equipped with a base plate to
ensure a more stable position during operation.
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5.2 Adapter blocks
Adapter block Function/use
Connection plate
with ttings
Possibility of connecting hose
lines directly to the hand
pump
Connection
plate with quickdisconnect-couplings
Connection plate
with monocouplings
Possibility of connecting hose
lines directly to the hand
pump via quick-disconnectcouplings
Possibility of connecting hose
lines directly to the hand
pump via monocoupling
Connection options for rescue equipment6.
ATTENTION!
Make sure to store all plugs, screw plugs and/or dust caps in a way that
prevents them from getting dirty or lost.
After completion of the work, seal off all lines using screw plugs and/or dust
caps to prevent contamination of the hand pump.
When connecting lines to the hand pump, we recommend positioning it
vertically so that the ports point upward. This reduces the danger of hydraulic
uid escaping.
6.1 Fittings
The hose lines are connected via ttings to the hydraulic pump.
1. First remove the closure caps from
the ttings.
1.
2. Then, you can connect the hose lines
2.
to the ttings and tighten them with a
tightening torque of M
= 40 Nm.
A
ATTENTION!
The return hose must always be connected at the "T" port of the
connection block.
The supply hose line must instead be connected at the "P" port.
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6.2 Quick-disconnect-couplings
The hose lines are connected via quick-disconnect coupling halves (female and male) to the
hydraulic pump in such a way that they cannot be reversed.
X
Y
Before connecting the couplings, remove the dust cap, then pull back and hold the locking
sleeve of the female coupling (Position X). Push the male and female couplings together and
release the locking sleeve. Finally, turn the locking sleeve into Position Y. The connection is
then made and secured. Decoupling is done in the reverse sequence.
ATTENTION!
Always connect the return line rst and then the supply line!
NOTE:
Coupling the equipment is only possible if the hoses are depressurised.
For dust protection, the supplied dust caps must be reattached.
WARNING / CAUTION / ATTENTION!
The quick-disconnect-couplings have special functions, in part, and therefore
must not be unscrewed and/or reversed!
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6.3 Monocouplings
The hose lines are connected via quick-disconnect coupling halves (female and male) to the
hydraulic pump in such a way that they cannot be reversed.
Dust caps
Male coupling
Before coupling, remove dust caps, then connect male and female couplings and turn locking
sleeve of the female coupling in direction "1" until the locking sleeve latches. The connection
is then made and secured. The decoupling is accomplished by turning the locking sleeve in
direction "0".
The coupling of the devices under pressure is also possible, assuming the connected
equipment is not turned on.
NOTE:
We recommend, when ambient temperatures are low and extension hoses /
hose winders are used, connecting the coupling halves in a depressurised state
because decoupling may otherwise require a very large exertion of force.
For dust protection, the supplied dust caps must be reattached.
WARNING / CAUTION / ATTENTION!
The monocouplings must not be unscrewed and/or the hose lines reversed!
Female coupling
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Commissioning7.
NOTE:
With the LUKAS hand pump, a little idle stroke may occur when the unit is rst
used in the high pressure range.
However, this idle stroke independently stops after a device is operated
2-3 times.
ATTENTION!
The hand pump should be as close to horizontal as possible, because otherwise
the usable amount changes!
The oil ll plug must always be unscrewed one turn before starting operation of
the hand pump! This enables the aeration and bleeding of the hydraulic tank.
After the work is completed but before transport, the oil ll plug should be
retightened!
7.1 Unlocking the pump
2.
1.
Locking pin
Unlock (1.) the shipping lock of the pump by
sliding the locking pin in the direction of the
hand wheel until it comes against the stop.
To lock (2.) the pin, move it until it comes
against the stop in the other direction. To do
this, the lever must be in the home position
(at the tank).
7.2 Retracting the handle
You can pull out the handle by applying pressure to both sides of the thrust piece and
simultaneously pulling in the direction of the handle end until the thrust piece re-engages.
1. 2.
7.3 Bleeding the pump
1. Open the discharge valve.
2. Open the oil ll screw plug on the tank container and check the oil ll level. The oil ll
level should come up to approximately 1-2 cm below the top edge of the oil reservoir.
3. In this state, work the pump handle several times.
Hand wheel
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NOTE:
To bleed connected equipment, make sure that the highest point of the connected
devices are below the level of the pump.
Before operating the pump, you should also open the oil ll screw plug. Only in this
way can any trapped air escape the hydraulic system when the pump is operated.
You should operate the connected equipment several times without load.
When you do this, also follow the separate operating instructions of the connected
devices.
Operation8.
WARNING / CAUTION!
Under certain circumstances, the pump handle can "kick back". Make sure that
your body remains to the side of the pump.
ATTENTION!
Never attach an extension to the pump handle that does not belong to the
device. These extensions usually cause the pump to become unstable during
operation.
NOTE:
In order to limit the required force in high pressure operation, we recommended
using short strokes with the pump handle. The greatest pumping effect is produced
in the last 5 degrees of the stroke.
Should you use a female quick-disconnect-coupling as the port, quick stop may be
triggered if the discharge valve is opened too quickly (turning counter-clockwise),
i.e. the check valve incorporated in the male quick-disconnect coupling blocks
the return ow of oil while the connection between pump and female quick-
disconnect coupling is depressurised. This is provided as a safety function in case
the connection between the female quick-disconnect-coupling and pump starts
to leak and the pressure drops abruptly. In this case, the "quick stop" prevents,
for example, an abrupt drop in the load when an hydraulic cylinder is operated.
In order to release the quick stop again, more pressure must rst be supplied to
the device. Then, the pressure can be decreased again by slowly opening the
discharge valve.
8.1 Operation
Procedure:
1. Close discharge valve on the hand pump completely (rotate clockwise).
2. Connect the return line of the device at the return port "T" and then the high pressure line
at the pressure port "P".
3. Move the locking pin into the operating position.
4. Supply the device with hydraulic uid or pressurise by operating the pump lever (up and
down movements).
5. To reduce the pressure of the device, slowly open the discharge valve of the hand pump
(turn counter-clockwise). In this way, you can meter the pressure reduction precisely.
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8.2 Shutdown / storage
To shut down or store the pump, seal all hydraulic connections with the associated screw
plugs or dust caps.
After sealing the hydraulic ports, open the drain screw (not up to the stop!) to depressurise
the pump.
Then carefully clean the external dirt off of the hand pump.
In addition, with a longer storage time, the outside of the device should be cleaned and all
visible mechanical moving parts need to be oiled.
ATTENTION!
After completion of the work but before transport, check to make sure the oil ll
screw plug is screwed in tightly!
Make sure the pump is not stored in a damp environment.
Transport9.
The pump lever is used as a carrying handle! Special pumps may be the exception in this
case. These pumps are custom-assembled for each customer; therefore, there may be a
different transport device or none! In these cases, please refer to your authorised dealers
or LUKAS directly. The lever must be locked for transport, as described in the chapter
"Unlocking the pump".
Maintenance and repair10.
10.1 Basic requirements
Service work may only be performed by the device manufacturer or by personnel trained by
the device manufacturer and authorised LUKAS dealers.
All components must be replaced with original LUKAS spare parts, which are listed in the
spare parts list, because in this context even required special tools, assembly instructions,
safety aspects and/or checks absolutely must be taken into consideration.
During the assembly work, pay particular attention to the cleanliness of all components
because dirt can damage the equipment!
WARNING / CAUTION / ATTENTION!
To perform maintenance and repairs, personal safety equipment appropriate for
the work is an absolute requirement. (incl. shields).
Assembly and repair work on the pump may only be performed if the entire
hydraulic system is depressurised!
Couplings should not be repaired; they should be replaced with original LUKAS
parts!
NOTE:
Always send the warranty tab back to LUKAS hydraulics GmbH.
You should always contact LUKAS or an authorised dealer before using outside
couplings.
Do not perform any repairs without the corresponding LUKAS spare parts list,
because necessary tightening torques for screw connections and/or in some
cases also important additional information are listed there.
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ATTENTION!
Clean the device before checking for dirt!
Do not use any aggressive agents for cleaning; it could cause damage to the
equipment.
Because LUKAS devices are designed for the highest performance, only
components may be replaced that are listed in the spare parts lists of the
corresponding device.
Additional components of the equipment may only be replaced if:
- You have participated in a corresponding LUKAS service training course.
- You have the express permission of LUKAS customer service (by request,
check on the grant of permission. A check is necessary in each individual
case).
The equipment is subject to very high mechanical stresses. Therefore, a visual inspection
needs to be made after each use, at least once per month (if continually used, once per
week).
In this way, early signs of wear are recognisable so that damage to the device can be
avoided by prompt replacement of these worn parts. Also check regularly to make sure that
all attachment screws are tightened (heed any applicable tightening torque specications).
At least once a year (if continually used once every half year) or if there is a doubt about
the safety or reliability, a functional check should be also performed (for this purpose, also
heed the corresponding applicable national and international specications related to the
maintenance intervals of the devices).
10.2 Maintenance
Before performing maintenance work, clean the hand pump thoroughly.
After performing the maintenance work, you should carefully coat all metallic parts with oil
to prevent any corrosion.
Checks (Maintenance measures):
Perform a visual inspection of the hand pump at least once per month; in the case of
continuous use, once a week.
Visual inspection
Hand pump
• are all hydraulic connections still tightened,
• generally sealed, no leaks present (oil "sweat" has no effect on the operation),
• is damage to pump housings, valve blocks or attachment parts recognisable, especially
on the moving parts such as the piston rods,
• are all uid levels within the prescribed tolerances,
• are all non-moving parts rmly attached,
• is there no corrosion,
• freedom of movement for the pump lever and the hand wheels
(check in the depressurised state),
• the couplings are easy to couple (if attached),
• are dust caps in place,
• are identication plate, all control decals, instruction decals, labels and warnings present
and legible.
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Perform an operational check of the hand pump at least once per year; in the case of
continuous use, once every half year.
Operational check
• no suspicious noises,
• tests at maximum load.
Execution:
Place the hand pump on a solid base to operate. Then, connect a test manometer to the
supply hose line. Release the pump lever lock and close the discharge valve. Then, the
pressurisation to operating pressure corresponding to the specication on the identication
plate occurs.
NOTE:
In this test, an idle time of approximately 2 minutes needs to be observed and
the hand pump needs to be reloaded to operating pressure.
The resulting max. operating pressure must not drop by more than 5% after
10 seconds.
A test pressure gauge is available from the LUKAS line of accessories.
10.3 Hydraulicuidchangeoraddinghydraulicuid
The hydraulic uid should be changed if dirty at least once a year. When the hand pump is
operated in an especially dusty environment, we recommend changing the uid at least once
every half year.
ATTENTION!
Add hydraulic uid only if the hand pump is disconnected from the lines or the
equipment operated with the pump is hydraulically depressurised. Otherwise,
after lling the entire hydraulic system could contain more hydraulic uid than
the tank can hold.
Procedure:
1. Open the bleed/ll cap on the tank.
2. Add hydraulic uid until the uid level comes up to 1-2 cm below the top edge of the oil
tank.
3. Bleed the hand pump as described in the chapter "bleeding the pump".
4. Check the uid level again and close the tank again at the correct uid level with the
vent/ll cap on the tank. Should the tank no longer be sufciently full after bleeding, start
the ll procedure again at item 2.
NOTE:
Should the uid level in the tank still not be reached after repeated relling (during
maintenance), we recommend searching for leaks in the hydraulic system.
10.4 Care
If possible, do not store the hand pump in a damp or extremely dusty environment in order
to ensure a long service life. If this is unavoidable, you should perform more frequent
maintenance and/or shield the pump from these effects if possible.
Regularly coat all metal parts with oil to prevent any corrosion.
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10.5 Repair
ATTENTION!
Because LUKAS devices are designed for the highest performance, only
components may be replaced that are listed in the spare parts lists of the
corresponding device and whose replacement is described here.
Additional components of the equipment may only be replaced if:
- You have participated in a corresponding LUKAS service training course.
- You have the express permission of LUKAS customer service (by request,
check on the grant of permission. A check is necessary in each
individual case).
10.5.1 Base plate replacement
The base plate must be replaced if external damage is present that represents a danger for
user and device upon further use. In particular, the base plate must be replaced if the stability
of the hand pump can no longer be ensured.
Procedure:
1. Remove screws A and B.
C
A
2. Remove base plate C and replace it with a new one.
3. Reinsert screws A and B and tighten.
B
10.5.2 Removing tank for cleaning, replacing the tank or the seals
The tank should be cleaned at least once per year in order to remove the accumulated dirt.
The tank must be replaced if there is any external damage that impairs the safety of
the device.
The tank seals must be replaced if there are any leaks at the junction points of the tank.
Procedure:
1. Remove base plate as described in the chapter "Replacing
base plate".
2. Empty tank by removing the screw plug (item D) and emptying
the tank.
ATTENTION!
Properly dispose of the removed hydraulic uid and all
damaged components!
D
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3. Remove the nut (item E) and sealing ring situated under it (item F).
4. Remove base plate (item G) and the sealing ring (item H).
5. Remove tank and the seal (item J) as well as the connection plate (item K) and seal
(item L).
6. The assembly is done in reverse order. Replace all damaged parts with new ones.
The tightening torque of the nuts is 40 Nm.
E F G H Tank J K L
10.5.3 Lever replacement
The lever must be replaced if external damage is present that represents a danger for user
and device upon further use.
Procedure:
1. Drive out dowel pin (item M).
N
M
2. Remove lever (item N) and replace with a new one.
3. Reinsert dowel pin (item M).
10.5.4 Couplings
WARNING / CAUTION / ATTENTION!
Couplings should not be repaired; they should be replaced with original LUKAS
parts!
10.5.4.1 Monocouplings
The monocouplings must be replaced if:
- exterior damage is present,
- the lock does not function,
- in the coupled and/or decoupled state, hydraulic uid continuously escapes.
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Procedure for installation in the valve block:
1. Unscrew coupling from connection plate.
2. Screw new coupling into the connection plate with a torque of M
= 40 Nm.
A
10.5.4.2 Quick-disconnect-couplings
The quick-disconnect-couplings should be replaced if:
- exterior damage is present,
- the lock does not function,
- in the coupled and/or decoupled state, hydraulic uid continuously escapes.
Procedure:
1. Unscrew and remove coupling.
2. Screw in new screw-on male coupling and tighten with a torque of M
= 35 Nm.
A
ATTENTION!
The return port must always be equipped with a female quick-disconnect-coupling.
The supply port should instead be equipped with a male quick-disconnect-coupling.
10.5.5 Decals
All damaged and/or illegible decals (safety instructions, identication plate, etc.)
must be replaced.
Procedure:
1. Remove damaged and/or illegible decals.
2. Clean surfaces with acetone or industrial alcohol.
3. Adhere new decals.
Make sure to adhere the decals in the correct positions. If this is no longer known, you should
consult your authorised LUKAS dealer or contact LUKAS directly.
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Problem Cause Remedy
Connected device
does not move, moves
only slowly or moves
intermittently.
Connected device moves,
but does not hold pressure
or does not render the
specied performance.
Troubleshooting11.
Fluid level in the hydraulic
tank too low
Discharge valve open Close discharge valve.
Hose line not properly
connected or damaged
Load on the device
too high
Air in the hydraulic system Bleed system as described
Defect on the device Heed the specications
Hose line not properly
connected or damaged
Leaking seal Locate the leak and have
Internal leakage of the
pump
Add hydraulic uid up to
max. ll level.
Check connection of the
hose line and reconnect it
if necessary.
Use a different device.
in the chapter “Bleeding
the pump”.
of the separate operating
instructions of the
device.
Check connection of the
hose line and reconnect it
if necessary.
the hand pump serviced by
an authorised dealer, by
personnel specially trained
by LUKAS or by LUKAS
directly.
Have the hand pump
serviced by an authorised
dealer, by personnel
specially trained by LUKAS
or by LUKAS directly.
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Problem Cause Remedy
Device does not move
back into the starting
position, moves
incompletely back toward
the starting position or
moves more slowly into
the starting position than
normal.
Connected device not
reaching its limit position
Connected rescue device
does not achieve its
power-related performance
data
Fluid leaks on the
hydraulic uid tank
(especially at the rell tap)
Hydraulic uid with milky
cloudiness
Discharge valve closed Open discharge valve.
Fluid level in the hydraulic
tank too high
Loose hydraulic coupling Check all couplings and
Enclosed air in the system Bleed pump as described
Line length too long Use shorter lines.
Defect on the device Heed the specications
Fluid level in the hydraulic
tank too low
Usable hydraulic uid
quantity of the pump is
insufcient
Max. permissible operating
pressure of the pump is
not reached
Due to return ow of the
hydraulic uid from the
device, the maximum ll
quantity of the tank is
exceeded
Seals defective Replace seal.
Water or condensation
water in the system
Reduce hydraulic uid
down to max. ll level.
retighten them.
in the chapter “Bleeding
the pump”.
Use hydraulic uid with
a different, more suitable
viscosity.
of the separate operating
instructions of the
device.
Add hydraulic uid up to
max. ll level.
Attention: move the
device back into the
base position before
adding uid!
Use a different device with
a usable quantity below
the maximum usable
quantity of the pump.
Replace pressure
control valve or have
it recalibrated by an
authorised dealer or
directly by LUKAS.
Reduce hydraulic uid
down to max. ll level.
Perform hydraulic uid
change immediately.
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Problem Cause Remedy
In the case of a
monocoupling system:
Hose lines cannot be
coupled
In the case of a
monocoupling system:
Hose lines frequently
cannot be coupled
In the case of a quickdisconnect coupling
system: Hose lines cannot
be coupled
In the case of a
monocoupling system:
Leakage at the couplings
In the case of a quickdisconnect coupling
system: Leakage on the
male coupling
In the case of a quickdisconnect coupling
system: Leakage at the
female coupling
Hydraulic uid escaping
from the hoses or at the
joints
Damage on the surface of
the hydraulic hoses
They are under excessive
pressure (e.g. due to
excessive ambient
temperature)
Coupling defective Coupling should be
Hydraulic uid of the
application situation not
adapted
Coupling defective Coupling should be
System is under pressure Open discharge valve and
Coupling defective Coupling should be
Coupling defective Coupling should be
Safety valve has
responded (in the
decoupled state)
Male coupling defective Male coupling should be
Female coupling defective Female coupling should be
Leakage, possible damage Replace hoses.
Mechanical damage or
contact with aggressive
media
Open discharge valve and
bleed device.
replaced immediately.
Hydraulic uid needs
to be changed (see the
chapter “Hydraulic uid
recommendation” for more
information).
replaced immediately.
bleed device.
replaced immediately.
replaced immediately.
After depressurisation, no
further leakage occurs.
replaced immediately.
replaced immediately.
Replace hoses.
If the defects cannot be remedied, notify an authorised LUKAS dealer or contact LUKAS
Customer Service directly!
The address of LUKAS customer service is:
LUKAS
Weinstraße 39, D-91058 Erlangen
Postfach 2560, D-91013 Erlangen
Phone: (+49) 09131 / 698 - 348
Fax.: (+49) 09131 / 698 - 353
Hydraulik GmbH
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23
Technical data12.
Because all values are subject to tolerances, there cannot be any differences between the
data of your device and the data of the following tables!
12.1 Data of the hand pumps
12.1.1 Pump labelling
LH 2 / 1.8 - 50
Model series
NOTE:
The automatic pressure switch from low pressure to high pressure occurs at
2 MPa (= 20 bar)
12.1.2 Dimensions, weight, usable quantity and ll quantity
NOTE:
The dimensions of the hand pumps are exclusively dependent on the size of the
hydraulic uid tank. The types of hand pumps are not outwardly distinguishable
from the outside at the pump head.
The weights, usable quantities and ll quantities of the hand pumps are
exclusively dependent on the size of the hydraulic uid tank.
Hand pump with ttings:
Tank size max. operating
pressure in MPa
(1 MPa = 10 bar)
Tank size Dimensions Weight min. required
l x w x h
1,8 [l]
3,8 [l]
Hand pump with monocouplings:
660 x 200 x 160 [mm] 7 [kg] 2,38 [l]
25.98 x 7.87 x 6.30 [in.] 15.4 [lbs.] 0.63 [gal.-US]
676 x 200 x 160 [mm] 11,3 [kg] 4,61 [l]
26.61 x 7.87 x 6.30 [in.] 24.9 [lbs.] 1.22 [gal.-US]
(incl. max. hydraulic
uid ll level)
Fill quantity
Tank size Dimensions Weight min. required
(incl. max. hydraulic
uid ll level)
Fill quantity
1,8 [l]
3,8 [l]
l x w x h
761 x 200 x 160 [mm] 7,5 [kg] 2,38 [l]
29.96 x 7.87 x 6.30 [in.] 16.5 [lbs.] 0.63 [gal.-US]
777 x 200 x 160 [mm] 11,8 [kg] 4,61 [l]
30.59 x 7.87 x 6.30 [in.] 26.0 [lbs.] 1.22 [gal.-US]
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24
Hand pump with quick-disconnect-couplings:
Tank size Dimensions Weight min. required
(incl. max. hydraulic
uid ll level)
Fill quantity
1,8 [l]
3,8 [l]
12.1.4 Flow rates
28.96 x 7.87 x 6.30 [in.] 16.1 [lbs.] 0.63 [gal.-US]
29.13 x 7.87 x 6.30 [in.] 25.6 [lbs.] 1.22 [gal.-US]
NOTE:
The ow output per piston stroke of the hand pumps depend exclusively on the
model series.
l x w x h
724 x 200 x 160 [mm] 7,3 [kg] 2,38 [l]
740 x 200 x 160 [mm] 11,6 [kg] 4,61 [l]
Model series
LH 2
Flow output per piston
stroke (low pressure)
17 [cm³] 1,7 [cm³]
0.85 [Cubic in.] 0.10 [Cubic in.]
Flow output per piston
stroke (high pressure)
12.2 Hydraulicuidrecommendation
Mineral oil DIN ISO 6743-4 for LUKAS hydraulic equipment and others
Oil temperature range Oil code Viscosity rating Remarks
A -20 .... +55°C HM 10 VG 10
Oil temperature range Oil code Viscosity rating Remarks
A -4.0 .... +131°F HM 10 VG 10
recommended viscosity range: 10...200 mm²/s (10…200 cSt.)
Supplied with HM 10 DIN ISO 6743-4.
ATTENTION!
Before using hydraulic uids that do not correspond to the aforementioned
specications and / or are not purchased from LUKAS, you must contact
LUKAS!
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25
12.3 Hose lines
Bending radius Rmin = 38 mm (Rmin = 1.5 in.)
Pressure resistance
Temperature resistance - 40°C ... + 100°C (- 40°F … + 212°F)
Operatinguid Mineral oil according to DIN EN ISO 6743-4
Safety factor: Burst pressure / max. Operating pressure, min.
4 : 1
12.4 Operating and storage temperature ranges
Operating temperature [°C] / [°F] -20 … +55 -4 … +131
Ambient temperature
(device in operation)
Storage temperature
(device not in operation)
[°C] / [°F] -25 … +45 -13 … +113
[°C] / [°F] -30 … +60 -22 … +140
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26
Notes13.
Page 27
27
Page 28
Please properly dispose of all packing
materials and removed parts.
LUKAS
Weinstraße 39, D-91058 Erlangen
Postfach 2560, D-91013 Erlangen
Phone: (+49) 0 91 31 / 698 - 0
Fax.: (+49) 0 91 31 / 698 - 394
e-mail: lukas.info@idexcorp.com
Hydraulik GmbH
Made in GERMANY
© Copyright 2008 LUKAS Hydraulik GmbHLH2_RG_BA_GB_1790101085_1208.indd
Subject to modications
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