7
Maintenance
7.1 Safety instructions
Maintenance measures consist of inspection, service and repair. Maintenance measures are described here.
►
Maintenance work must only be carried out by qualied personnel.
►
Tasks not described in this chapter may only be carried out by HAWE Service.
►
If faults or damage occur, switch off the hydraulic system immediately.
►
Observe the information in the supplier documentation.
►
Document all activities in a maintenance log.
WARNING
Danger of accident and fatal injury due to lack of maintenance or careless maintenance
Omitted or negligently performed maintenance can cause the hydraulic system to malfunction.
Improperly performed maintenance or improperly conducted troubleshooting can pose a danger to
personnel.
►
Read and abide by all instructions provided in this section.
WARNING
Risk of injury from electrical, mechanical or hydraulic hazards when working on the hydraulic
power pack
Risk of serious injury or death
►
Prior to all work on the hydraulic power pack, disconnect the power supply from the drive motor.
►
Prior to all work on the hydraulic power pack, relieve the pressure in the hydraulic system.
CAUTION
The hydraulic power pack and valves’ solenoids may become hot during operation.
Risk of injury from minor burns
►
If surface temperatures >60°C occur during operation, set up safety barriers.
►
Allow the hydraulic power pack and the solenoids to cool sufficiently before touching them.
►
Ensure that the device can aspirate sufcient volumes of fresh air and that hot air can escape.
►
Modifications of any kind, especially mechanical, welding or soldering, are prohibited.
DAMAGE
Disconnecting electrical power sources
►
Plug connection on compact hydraulic power pack (various types of plug optionally available) or
►
Power supply unit in overall machinery (see owner’s operating instructions)
HAWE Hydraulik SE
B 8010 - 04-2021 - 1.0
47/61
