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Press Brake Repair / Breakdown/ Service & Support


JPS Machinery boast the Largest Dealer Service Team in the UK and can cater for all new & used press brake machinery through our in house service team.

Metal Sheet Bender

Typical Repair Breakdown Faults:

Operator guards not working

Rear fence interlocks mis aligned
condition of tooling & tooling clamping systems

Bend angle incorrect

Check infra red or Laser operator guards alignment

Press brake not going through its start up safety checks

Machine motor does not start

Check emergency stop buttons, check side & rear interlocks

Leaking hydraulic cylinders requiring the seals replacing

Low hydraulic pressure often caused by high oil temperature, or old oil low viscosity

Hydraulic filters in need of cleaning or changing

Faulty Hydraulic pump motor the motor nipple has not been used as recommended by the motor manufacturer

Electrical faults such as sticking contactors



Hydraulic Press Brakes

Typical Service Requirements:

At the beginning of the work shift, inspect the press brake, a visual inspection of all areas will allow you to notice and address small issues before they become significant problems

It is important to understand the function, design, and operation of your press brake

The operators role in service / maintenance of a Press Brake is a major part of keeping the equipment running efficiently. It is important to immediately investigate strange noises, vibrations, or something that doesn’t look right. The quicker problems are detected and corrected, can often mean a less expensive fix.

 it’s the small preventive measures that keep a Press Brake up and running.


 A service / maintenance check list should include these five (5) key areas of a press brake:

Operator Guards:

Mechanical guards at side & rear of the press brake, check interlocks are working

Front Infra-Red or Laser Guards, check alignment of beams, tighten all brackets

Check emergency stop buttons, emergency button(s) dual circuits, the safety relay functions

Electrical Systems:

Emergency stop buttons, check the dual circuits relays, check the safety relay, look for welding of contactors

Check all terminal strip connections , relays, terminal boxes on motors.

Reseat all printed circuit boards and check for physical damage (cracked solder points, burned parts, etc.).

Check all voltages coming from power supplies and transformers.

Check all external cables and switches fittings for damage

Check oil and control panel cooling fans are operational.

Clean control cabinet to remove dust particles

Hydraulic Circuits

Clean Hydraulic oil is the key to a healthy hydraulic system

Keeping the oil clean and filling the reservoir to capacity are critical

Workshop dirt particles enter the hydraulic tank via the hydraulic tank breathers

Re-filter the oil every 6 months using a 10/15 micron filter

Completely replace the oil around 2/3000 hours of actual use

Clean the tank and replace the suction filters before replacing the hydraulic oil

Check all pipes & fittings for leaks


Check condition of tooling clamping systems, if mechanical are they effective

if Pneumatic check filters, empty water bowl – if Hydraulic  check hydraulic oil tank

CNC Controller

Check condition of all cables, clean screen, check system for conflicts