Why is my Bosch Rexroth SM 12 Control Unit leaking oil at pressure relief valves and plugs?
If you notice oil leaking at the pressure relief valves and plugs of your Bosch Control Unit, the seals are likely defective. To resolve this, remove the pressure relief valve or plug and replace the seals.
What to do if the lever is stiff on my Bosch Rexroth SM 12 manual operation type M1?
If your Bosch Control Unit's manual operation type M1 lever feels stiff, it could be due to an overtightened nut. Try adjusting the tightening torque. Alternatively, the system itself may be defective, requiring a replacement of the operation.
Why is there a lack of strength at all actuators on my Bosch Rexroth SM 12 Control Unit?
If your Bosch Control Unit actuators lack strength, it could be due to a defective primary pressure relief valve. In this case, replace the primary pressure relief valve. Alternatively, the primary pressure relief valve might be out of adjustment, requiring necessary adjustments.
How to fix oil leaking from the spool on my Bosch Rexroth SM 12?
If your Bosch Control Unit spool is leaking oil, the spool seals may be defective. Replace the spool seals and check the condition of the rubber boot.
What to do if there is a lack of load hold at neutral position in Bosch Rexroth SM 12?
If your Bosch Control Unit experiences a lack of load hold at the neutral position or an internal leak in the relief valve, there might be excessive clearance between the housing and the spool, or an internal leak in the relief valve. You should replace the distribution element or the secondary pressure relief valve.
Why is there an increase of force on controls or defective spool return in my Bosch Rexroth SM 12?
If your Bosch Control Unit shows an increase of force on controls or defective spool return, it may be because the control block assembly tie rods are too tight. Loosen and tighten them to 18 ± 10% N.m. Be careful to remove the control block from its fixation points before doing this. Another possible cause is that the spool seals are obsolete and need replacing.
Why is the movement performance slow on my Bosch Rexroth SM 12 Control Unit?
If your Bosch Control Unit's movement performance is slow, the spool stroke might be incorrect. If the stroke is incorrect, replace the distribution element.
What causes a lack of force on only one actuator of my Bosch Rexroth SM 12?
If your Bosch Control Unit's actuators only lack force on one actuator, the secondary pressure relief valve may be out of adjustment. Reset it to the original pressure according to the block specifications. Alternatively, the secondary pressure relief valve might be blocked open, requiring replacement.
Why is my Bosch Rexroth SM 12 leaking oil between elements?
If your Bosch Control Unit is leaking oil between elements, the seals between the elements may be defective. To fix this, remove the working sections and replace the seals.
What to do if my Bosch Control Unit manual operation type R5 has no movement?
If your Bosch Control Unit has a defective manual operation type R5 with no movement, the ball joint might be broken. Replace the operation to resolve this.
General| Brand | Bosch |
|---|---|
| Model | Rexroth SM 12 |
| Category | Control Unit |
| Language | English |
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