6
Start-up
6.1 Starting up the hydraulic locking unit
CAUTION
Burn hazard from hot surfaces and hydraulic uid
A burn hazard results from directly or indirectly coming into contact with hot hydraulic uid and hot
components of the hydraulic system.
►
Wear work gloves.
►
Arrange the access to the hydraulic system in such a way that hot surfaces are not accessible to the
user.
►
Wait until the hydraulic system has cooled down before servicing or disassembling it.
1. Start-up may only be carried out by specialist personnel.
2. Secure the ride against unintentional starting.
3. Check the hydraulic locking unit for damage in accordance with (
"Cleaning and visual inspection for
).
4. Check that the hydraulic locking unit has been properly connected as follows:
a) Mechanical:
✓
Has the hydraulic locking unit been prevented from being used as a mechanical limiter for the bar
structure?
✓
Has the hydraulic locking unit been installed free of mechanical stress, and is it protected against
the action of lateral forces?
✓
Is the locking unit not touching the seat structure when extended and retracted, and when in any
position during operation?
✓
Are all signs and markings clearly visible?
✓
Check all mechanical joints as described in the chapter on maintenance (
).
b) Electrical:
✓
Check the connection to the central control system and the cable connections on the hydraulic
locking unit.
5. Switch on the control system's power supply.
6. Check the valve switching and function sequencing according to the switching logic in
.
7. Check the locking and opening function according to chapter (
8. Check bolt connections after one week of operation at the latest.
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HAWE Hydraulik SE
