Filter Change - Bosch Rexroth Hagglunds DUc MS2 Installation & Maintenance Manual

Maintenance and repair | Hägglunds DUc Drive unit

9.3 Filter change

High temperature oil /componets
Risk of injury
▶ Do not open filters that are in operation
▶ Use suitable personal protective equipment
Weight of filter bowl
Risk of injury
▶ Be careful when dismounting the bowl
Pressurized machine/system
Danger to life or risk of serious injuries, damage to equipment
▶ Remove the filter bowl only if it is depressurized
▶ Do not exchange the maintenance indicator while the filter is under pressure
▶ Do not operate the switch-over lever during the filter element exchange
When removing a filter element take some time to inspect and look for unusual
contamination within the pleats and in the bottom of the flter bowl. Contact your
Bosch Rexroth representative for advice.
Single filter
Stop the operation and lockout-tagout electric motor.
1. Loosen the drain plug under the filter bowl to empty from hydraulic fluid. Drain
the oil into a clean container to be able to collect eventual contamination
particles for analysis. When empty - tighten the drain plug.
2. Open the lock ring for the filter bowl. Unscrew the bowl from the filter housing
counter clockwise and remove the bowl.
3. Change filter cartridge.
It is very important during the mounting not to expose the cartridge to any dirt
i.e. keep it in the plastic cover as long as possible.
4. Check the O-ring and the backup ring for damage. Change parts if necessary.
5. Mount the filter bowl. Tighten by hand to stop and back off 1/8:th of a turn.
6. Tighten the lock nut.
WARNING
RE 15326-WA, Version 06.2020, Bosch Rexroth AB
67/88