4
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