Subject to change · 27897500 · 10.2016 · EN
Page 19
www.argo-hytos.com
Risk of functional impairment
In case of dirt ingress into the pump during maintenance work, optimal functioning of the device is no
longer guaranteed (no manufacturer liability).
›
Work with special care when replacing the pump / motor.
›
All parts coming into contact with the hydraulic medium must be kept free from dirt and chips.
WARNING
10.4.1 Removing the pump / motor
1. Unscrew the cylinder screws (Pos. 8) and release the filter unit (Pos. 7) from the pump unit (Pos. 2).
2. Loosen the cylinder screws (Pos. 9) and detach the filter housing (Pos. 7) from the filter carrier.
3. Loosen the hexagon bolts (Pos. 1) and separate the pump (Pos. 2) from the pump carrier (Pos. 4).
4. Loosen the cylinder screws (Pos. 3) and separate the pump carrier (Pos. 4) from the motor (Pos. 6).
5. Loosen the motor mounting and remove the motor (Pos. 6).
NOTE
›
When replacing the pump / motor, the O-rings (Pos. 5 and Pos. 9) must always be replaced by new O-rings.
Please take the Order No. from the spare parts list.
10.4.2 Installing the pump / motor
1. Mount the motor (Pos. 6) using the previously removed motor mounting on the machine / system.
2. Lubricate the O-ring (Pos. 5) and insert it into the provided O-ring groove in the pump carrier (Pos. 4).
3. Mount the pump carrier (Pos. 4) to the motor (Pos. 6) using the cylinder screws (Pos. 3). Make sure that the O-ring
(Pos. 5) remains in the O-ring groove and that it is not damaged between the pump carrier (Pos. 4) and the motor (Pos. 6).
4. Fasten the pump (Pos. 2) to the pump carrier using the hexagonal screws (Pos. 1) (MA 30 ±3 Nm).
5. Lubricate the O-ring (Pos. 10) and insert it into the O-ring groove provided for the filter unit (Pos. 7).
6. Fasten the filter unit (Pos. 7) with the cylinder screws (Pos. 8) at the pump (Pos. 2) (MA 10 ±1 Nm).
Ensure that the O-ring (Pos. 10) remains in the O-ring groove and that it is not damaged between the pump (Pos. 2) and the
filter unit (Pos. 7).
7. Fasten the filter housing (Pos. 7) to the filter carrier with the cylinder screws (Pos. 9).
8. Connect the unit to the power supply according to the electrical connection diagram.
The device can be put into operation (see manual: Commissioning).
If no oil is sucked during commissioning, open the cover at the filter housing and fill in about 0.3 l oil.