Betenbender Manufacturing Press Brake Machine 8'-50T

Ensure the ram is coming down at the same speed at both ends

Turn RUN/JOG switch to RUN position

Cycle the machine two to three times and note which indicator light comes on first

Do both indicator lights blink at the same time?

If lights do not blink together

Loosen lock nuts on the adjustment knobs

Turn both adjustment knobs out to stops and tighten lock nuts

Inspect all lines and fittings for leaks

Inspect piston rods for leaks or scoring of surface

Inspect manifold block and replace any leaking 'O' rings

Turn off power and lock MAIN DISCONNECT switch

Inspect all connections for any loose connections

JOG ram down to the bottom of the stroke. Hold switch, read pressure.

Enter the pressure reading in psi

Is the pressure within the maximum limit of 2,500 psi?

Locate the main relief valve based on machine type

Crank limit switches to the lowest position

Put machine in JOG and press DOWN button until cylinders bottom out

Enter the pressure reading in PSI

Turn machine to RUN to re-adjust limit switches

Flush the tank thoroughly to remove old oil

Install a new return filter cartridge before adding new oil

Has the return line filter been replaced within the last year?

Replace return line filter if necessary

Fill the hydraulic reservoir with 10W ISO 32, non-foaming oil