Larzep VC1536 User manual
HYDRAULIC BENDER
“VC1536” “VA1536”
LARZEP,S.A. LARZEPAUSTRALIAPTY.LTD. LARZEPGBLTD.
AvenidaUrtiaga,6 104WedgewoodRoad, 3CommerceWay‐LeightonBuzzard
48269MALLABIA,SPAIN HALLAM,VIC.3803AUSTRALIA BEDSLU74RWUNITEDKINGDOM
Tel.+34943171200 Tel.+61(3)97963744 Tel.+441525377819
Fax.+34943174166 Fax.+61(3)97965964 Fax.+441525851990
www.larzep.com www.larzep.com.au www.larzep.co.uk
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Instruction Manual
Hydraulic Bender “VC1536” “VA1536”
INDEX
1. BEFORE USING THE EQUIPMENT AND SAFETY...2
2. TECHNICAL FEATURES............................................ 2-3
3. START-UP ..........................................................................3
4. MAINTENANCE................................................................4
5. PROBLEMS AND SOLUTIONS......................................4
6. WARRANTY ......................................................................4
7. DECLARATION OF CONFORMITY.............................5
ANNEX
•GENERAL DRAWINGS.
1. BEFORE USING THE EQUIPMENT AND SECURITY.
LARZEP hydraulic benders are designed in accordance with internal quality standards, in compliance with the ISO 9001 regulation.
If you find any damage or fault with the product, clearly label it and place it in a location where it will not be available for use until an authorized service dealer has
repair the fault.
Never use hydraulic equipment that is damaged or suspected to be in poor conditions.
The tools are designed for the applications described in this manual. Any other use may pose a risk to the equipment and result in hazardous situations for the operator.
The manufacturer accepts no responsibility for damage resulting from the improper use of the tool.
Do no store or leave the hydraulic bender where is can be accessed by the children.
The operator should be fully aware of the risks inherent in the use of high-pressure hydraulic tools, and should act responsibility in accordance with that
described in this manual, ensuring both his/her own safety as well as the safety of others located in the vicinity of the working zone.
Boots Helmet Glasses Gloves Clothes
Never modify the tool or add elements that may affect its safety, without express authorisation from the manufacturer.
Before using, check for:
1- There are not operators standing around dangerous area.
2- Ensure that the equipment it’s located over firm template.
3- Do not work around dangerous area.
4- The commands have been operated with the hands.
5- Damaged or dirtied connections or coupler.
6- The flexible hydraulic hoses are not twisted.
7- The commands are in neutral position.
Check that the working pressure is less than the 80% of nominal capacity
Specialist personnel should only carry out repairs and maintenance operations, etc. Always use original LARZEP spare parts.
Carry out maintenance operations on a regular basis, as indicated in this manual.
Once you have finished using the tool, disconnect it, clean it and store it in a clean, safe place.
2. TECHNICAL FEATURES.
The supplied benders in standard equipments are the ones indicated in the enclosed board below. The obtained radius bending the pipe 90º (long radius benders) is also
included
PIPE INCHES ½” ¾” 1” 1 ¼” 1 ½” 2” 2 ½” 3”
DIAMETER (mm) 21 27 34 42 48 60 75 88
RADIUS 40 60 80 100 115 165 245 290
ANGLE 90 90 90 90 90 90 90 90
All the models include not only a complete bender seal kit in order to fit them in the piston but also two bending rollers with their corresponding grooves to fit in the
pipe.
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Instruction Manual
Hydraulic Bender “VC1536” “VA1536”
MODEL VC1536 VA1536
DESCRIPTION Bender with cylinder and electro pump Bender with cylinder and manual pump
CYLINDER Double acting and spring return. Ref. SM01535. Double acting and spring return. Ref. SM01535.
PUSH CAPACITY 16 Ton 700 Kg./cm²16 Ton 700 Kg./cm²
PISTON STROKE 355 mm. 355mm.
PUMP Hydraulic electro pump. Ref.: YAM1112 Hand pump Ref.: W20607
TANK CAPACITY 2 Litres 660 cm³
OIL DISPLACEMENT 0.35 L/min. 700 Kg./cm². 2. Cm³
POWER 0.37 Kw.220 V. 50Hz 3ph. -
WEIGHT 75 Kg. 120 Kg
3. START UP.
The bender is packed in a sturdy wooden box, which protects it from the knock damage throughout the transportation. Once the tool is used, clean it and keep it into the
box, to be stored until next usage.
Unpack the equipment assuring that all the parts indicated in the drawing provided in the manual are found and the material has not been damaged.
Thread the hydraulic element to the plate of the template. Assembly the upper template by the axle and check that the upper template tilts free.
MODEL VC1536 MODEL VA1536
1- Connect through the hose and the rapid coupler, the electro pump to the
cylinder, assuring a perfect connection 1-. Connect trough the hose and the rapid coupler.
2- Substitute the transport plug of the electro-pump by the work plug. 2- Connect the pump to the cylinder, assuring a perfect connection.
3-. Assure that the net voltage corresponds to the machine and that the engine
turn is the one marked by the arrow 3- Give some strokes to the pump through the lever with the screw
lightly opened (turn to the left) in order to drain the circuit.
4- With the manual distributor control in tank position (lever towards the
engine), push the button engine to start up the engine. 4- Close with the hand the screw (turn to the right), after giving some
strokes.
5- Assuring that the work area is free and all the parts perfectly fitted put the
distributor lever in open position turning 90º. 5- The cylinder will advance.
6- The piston has to advance. 6- Opening again the screw the piston is closed helped by a spring.
7- With the manual distributor control in tank position (lever towards the
engine), the piston will return helped by the spring of the cylinder.
BENDING.
Once we know the pipe to bend dimensions, act in the following way:
1. Lift the upper template up to the vertical. (1)
2. Set the axle in the hole according to the measure of the pipe as shows the lower template.
3. Put the rollers in the axles.
4. Place the bender according to the pipe measure in the piston. The short head for pipes up to 1 ½” and the long head for pipes from 2”.
5. Close the upper template fitting all the elements.
6. Place the pipe to be bended from the side, between both templates. Maintain the bender in the piston top (2)
7. Act over the hydraulic part according to the previous point.
8. Let the stroke goes forward only to get the required bending angle, taking into account the elasticity of the pipe. (3)
9. Take away pressure from the hydraulic part. The piston will return and it will let the pipe free. Lift the template and remove the pipe. Normally the
bender could be pressing the pipe. Use the plastic hammer to separate it. (4)
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Instruction Manual
Hydraulic Bender “VC1536” “VA1536”
4. MAINTENANCE.
1. Make sure that the machine is switched off and not under pressure before carrying out any maintenance operation
2. Use always original LARZEP S.A. parts
3. Check always the equipment visually before using, check the oil level, damage in the hydraulic element (scratched piston, threads, leaks, etc.), accessories
situation (hose, rapid coupling, etc.).
4. After using clean always the equipment and keep the critical areas greased threads, axis, rollers inside, piston, etc. before keeping in the case.
5. In case of severe usage, substitute periodically the hoses and the couplings, although they do not seem damaged at first sight.
6. Periodically (minimum once a year), substitute the tank oil by clean oil. Use always LARZEP S.A. oil.
MODEL VC1536 VA1536
OIL FILLING
UP It’s made through the plug. Check the oil quantity in the
level. Use LARZEP S.A. Ref. AZ8902 oil. It’s made through the plug. . Check the level, placing the pump in vertical
and with the head downwards. Use LARZEP S.A. Ref. AZ8901 oil.
5. PROBLEMS, DAMAGES AND SOLUTIONS.
PROBLEM DIAGNOSTIC SOLUTIÓN
1- Piston does not extend. - Not enough oil in the pump. 1. Check the level and refill up.
- Tank empty. 2. Clean the work plug.
- Prime fewer pumps. 3. Feed the pump keeping it started some minutes.
- Filter is dirty. 4. Remove and clean it properly.
- Cylinder pressure retainer damaged. 5. Substitute the retainer.
- Pump pressure relief valve unrated. 6. Rate again the valve.
- Wrong hose connection. 7. Check the connection.
- Distribution valve damaged. 8. Repair or substitute the valve.
2- Cylinder does not reach pressure - Pressure retainer damaged. See Solution 5.
- Distribution valve damaged. See solution 8.
- Leaks by the retaining balls of the pump. 9. Repair the seat and substitute the balls.
- Pressure relief valve unrated. See solution 6.
3- Cylinder does not retract. - Distribution valve ball stacked. 10. Remove the valve and move the ball.
- Twisted piston. 11. Repair or substitute the piston.
- Damaged spring. 12. Substitute the spring.
PROBLEM DIAGNOSTIC SOLUTION
1- Piston dos not extend - Oil lack or excess in the tank. 1. Check the level and refill up.
- Dirty filter. 2. Remove the pump and clean.
- Oil leak by the admission ball in the pump. 3. Repair the seat and substitute the ball.
- Cylinder pressure collar damaged. 4. Substitute the retainer.
- Pump cap damaged. 5. Substitute the collar.
- Pressure relief valve unrated. 6. Rate again the valve.
- Hose wrong connection. 7. Check the connection.
2- Cylinder does not reach pressure. - Cylinder pressure collar damaged. See Solution 4.
- Oil leak by the ball of the pump starting up screw. See Solution 3.
- Oil leak by the retaining ball in the pump. See Solution 3.
3- The cylinder does not retract. - Starting up screwball stacked. 8. Remove the screw and move the ball.
- Piston twisted or damaged. 9. Repair or substitute the piston.
- Damages spring in the cylinder. 10. Substitute the spring.
- Oil excess in the tank. See Solution 1.
The solutions in black will be carried out by an authorized dealer or specialized staff.
6. WARRANTY.
LARZEP, S.A. guarantees its products against all design and manufacturing defects for the durations of two years from the date of purchase. This guarantee does not
include the ordinary wear of both metal and non-metal parts, abuse, using the equipment beyond its rated capacity and any wear or damage incurred as a result of using
a hydraulic fluid which is not recommended by LARZEP, S.A.
Please note that if the equipment is disassembled or serviced by anyone other than an authorized service dealer or by LARZEP, S.A., this guarantee is rendered null
and void.
In the event of a warranty claim, return the equipment, to LARZEP, S.A. or the authorized dealer which sold you the hydraulic equipment, LARZEP, S.A. will repair
or replace the faulty equipment, whichever is deemed most appropriate. LARZEP, S.A. shall not be held liable for any consequential damages or losses, which may
occur as a result of faulty equipment
MODEL VC 1535
MODEL VA 1535
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Instruction Manual
Hydraulic Bender “VC1536” “VA1536”
7. DECLARATION OF CONFORMITY.
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Instruction Manual
Hydraulic Bender “VC1536” “VA1536”
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Instruction Manual
Hydraulic Bender “VC1536” “VA1536”
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