5
Instruction Manual
Hydraulic Bender
“VA1225” “VC1225” “VA1227” “VB1227”
Specialist personnel should carry out the solutions in bold type only.
PROBLEMS MALFUNCTION
SOLUTION
1- The piston does not move forward.
- No or excess oil in the tank.
1. Check level and refill.
- Vacuum in the tank.
2. Clean working plug.
- Pump not primed.
3. Prime pump by running for a few minutes.
- Pump piston obstructed.
4. Disassemble and clean pump.
- Cylinder pressure seal damaged.
5. Replace seal.
- Pump restrictor valve not properly adjusted.
6. Re-gauge valve
.
- Bad hose connection.
7. Check the connection.
- Distributor valve damaged.
8. Repair or replace the valve.
2- No pressure in the cylinder.
- Cylinder pressure seal damaged.
See Solution 5.
- Distributor valve damaged.
See Solution 6.
- Pump restrictor valve not properly adjusted.
See Solution 6.
- Leak through pump retention balls.
9. Repair ball seat and replace ball.
3- The piston does not move back
- Distributor valve ball stuck.
10. Remove valve and move the ball.
- Piston jammed or twisted in the cylinder.
11. Repair or replace piston.
-Spring damaged.
12. Replace spring.
Specialist personnel should carry out the solutions in bold type only.
PROBLEMS MALFUNCTION
SOLUTION
1- The piston does not move forward.
- No or excess oil in the tank.
1. Check level and refill.
- Pump piston obstructed.
2. Disassemble and clean jack.
-Oil leak through the admission ball.
3. Repair ball seat and replace the ball.
- Cylinder pressure seal damaged.
4. Replace seal.
- Flange damaged.
5. Replace flange.
2- No pressure in the jack.
- Cylinder pressure seal damaged.
See Solution 4.
- Leak through drive screw ball.
See Solution 3.
- Leak through retention ball.
See Solution 3.
3- The piston does not move back.
- Drive screw ball stuck.
6. Loosen screw and move ball.
- Piston jammed or twisted in the cylinder.
7. Repair or replace piston.
- Spring damaged.
8. Replace spring.
Specialist personnel should carry out the solutions in bold type only.
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 1225
MODEL VA1227 and VB1227