# VSH400PLC090909
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9. MAINTENANCE AND OPERATION RECOMMENDATIONS
The station should be cleaned every day – this considerably affects its
durability.
Maintain order at the work place. This will limit mechanical damage.
Drawers are for keeping tools – do not store materials in them.
Change and replenishing hydraulic oil:
Dismantle the (right) side shield of the station.
Change the oil as described in the technical documentation of the Hydraulic
generator (Chapter 9)
Install the station shield.
Lubrication of the lifting screw of the bending-punching segment (if needed).
Remove the crank S1
Unscrew the shield.
Lubricate the screw with grease ŁT-46
Fix the shield.
Install the crank S1
Defects
Problem
Cause
Solution
1. The power supply
control lamp is not lit after
the machine is switched
on
a. No power supply.
b. Absence of 1 phase
c.
Voltage drop to 175
V/phase
Check the source of power
2. The machine switches
off during operation
a. Phase decay on the
engine
b. The engine fuse
action
c.
Power decay.
Check the source of power
and engine fuse
3. Loud pump operation
without servo-motor stick-
out
a.
electrical valve
defect
Contact the service
4. Loss of reference points
Permanent or temporary
absence of
communication between
the encoders and the
controller
Restart the station and look
for them again
Contact the service
5. Incorrect readings on
the control panel
Disturbed
communication between
the executive elements
and the control panel
Restart the station.
Contact the service