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Hägglunds Fusion Drive system
| Maintenance and repair
Bosch Rexroth AB, RE 15345-WA Version 11.2022,
Re-commissioning
Before the system is re-started after a long stop period, a check must be done to
verify the system function.
Meassures to be done:
•
Remove preservative fluid and any signs of contamination.
•
Follow the procedure in
8.3: Initial start up procedure
9.9 Repair
Bosch Rexroth offers a comprehensive range of services for the repair of Hägglunds
products.
Repairs on the Hägglunds products may only be performed by service centers
certified by Bosch Rexroth.
f
Use exclusively original spare parts from Bosch Rexroth to repair the Hägglunds
product, otherwise the functional reliability of the product can not be assured
and you lose your warranty entitlement.
In the event of questions regarding repairs, contact your Bosch Rexroth
representative.
9.10 Flushing after repair
There is no need for flushing of a Fusion drive unit when its delivered new from the
manufacturer!
9.10.1 Cleaning of system after break down
If something has happened in the system during operation, that may have
produced some kind of contamination. E.g. pump failure. All components in the
hydraulic system has to be taken apart, inspected and cleaned thoroughly.
A pressure filter and check valve has to be connected to the main line at the Drive
system. This filter is connected on the return side of the drive pump.
Recommended filtration degree β10 ≥ 75.
The size of the flushing filter should be matched to the installed pump, so that the
pressure drop across the filter is not excessive and that the max. pressure/flow
ratings for the filter is not exceeded.
The main lines should be connected together at the motor side enabling the entire
system to be flushed, see
If the system is not fitted with a flushing line to the hydraulic motor, the drain line
from the motor has to be plugged.
If the system is fitted with a flushing line to the hydraulic motor, the flushing line
shall be connected to the drain line of the motor to enable cleaning of the flushing
line.
