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8.4 Initial start up procedure
Important
• Follow section 2: Safety instructions.
• Make sure the driven system and driven machine is ready to run.
• Warn all personel in the area that the system will be started.
• Never operate the drive unit with defective instruments or control elements.
• Keep inflammable materials away from the drive unit.
• During start-up period, the hydraulic system will be cleaned from built-in dirt
particles, therefore keep an eye on the filter indicator during the entire start up
procedure.
STEP 1
Immediately before starting
• Check that the prescribed steps in section 8.1: Before commissioning have been
carried out.
• Check fluid level in the tank and refill to the nominal level, see 8.2: Filling up the
system with hydraulic fluid
• Check if any components need filling with clean hydraulic fluid, i.e. motor case.
• Check safety equipment.
• Make sure that all valves in the pressure, return and drainage lines are open.
• Set front panel regulator switch off.(see Fig. 5, switch pos 11)
• Set front panel switch to local.(see Fig. 5, switch pos 12)
• Turn front panel potentiometer to minimum position (counter clockwise)
• For adjustments and settings for the control system see special instruction 9: VFD
(Variable frequency drive) page 40.
STEP 2
Start without external load at low speed
Start the unit in local mode and set minimum speed of the electric motor. The
machine should have no load, which gives as low pressure as possible in the system.
Rotating parts!
Risk of injury.
▶
Do not touch rotating parts
Hägglunds DOb, RE 15327-WA/05.2017, Installation and maintenance manual, Bosch Rexroth AB
CAUTIoN
Commissioning
37/80
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