8.3 Mechanism
Corrosion and mechanical damage will result in leaks in the hydraulic system.
►
Check the hydraulic locking unit periodically for mechanical damage and corrosion.
►
The inspection intervals must be dened by the manufacturer/operator on the basis of a risk
assessment. If damage is prevented by coverings and preventive corrosion protection, inspection
can be scheduled at correspondingly long intervals. Otherwise short inspection intervals should be
scheduled.
8.3.1 Check for leaks in the locking unit
Maintenance intervals
Daily
The daily check of the locking function also includes checking the locking unit for leaks.
Aids, tools, materials
■
None
1. Test the following functions in the order given to check for leaks:
a) Test locking.
b) Test opening.
c) Test holding.
2. If you discover leaks during function testing, replace the locking unit. Get in touch with HAWE Micro
Fluid GmbH.
8.3.2 Check function of emergency override button
WARNING
Risk of injury in event of inadequate qualication
Improper operation of the emergency override can result in severe injury and damage to property.
►
The emergency override may only be operated by trained personnel or instructed persons.
►
After the emergency override has been operated, the locking, opening and holding function, as well
as the drift, must be checked as per the functional check procedure.
Maintenance intervals
Inspection interval specied by ride manufacturer.
Aids, tools, materials
■
Type-specic design of the tool to operate the emergency override (page
).
■
Listed cleaning and care products
1. Shut down hydraulic locking unit and secure it against inadvertent restarting.
2. Clean the area around the emergency override button as instructed in
3. Switch on the hydraulic locking unit and generate hydraulic pressure as noted in the function
sequencing table on
.
■
Type EX/type DL (EX): Retract piston rod
■
Type RE/DL (RE): Extend piston rod
4. Trip emergency override and check whether the piston rod extends/retracts.
If the piston rod fails to move, work through the troubleshooting catalog.
If everything operates properly, start up the hydraulic locking unit in the ride (chapter
up the hydraulic locking unit", page 26
).
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HAWE Hydraulik SE
