Mp1 Control Solenoids/Actuator Housing Replacement - Danfoss MP1 Service Manual

Service Manual
MP1
Minor repair

MP1 control solenoids/actuator housing replacement

54 | © Danfoss | April 2019
3. Install the control module and six cap screws (D250).
Torque sequence
2
1
6
5
4
3
4. Using a 5 mm internal hex wrench, torque the cap screws (D250) to 13.3 Nm [9.8 lbf ft].
1. Disconnect electrical/hydraulic connection and remove the three cap screws (D050) using a 4 mm
internal hex wrench.
2. Remove the solenoid/actuator housing (D025/QD77) and O-ring (D025A/QD26). Discard the O-ring.
Individual coils may be replaced. Use a 12 point 26 mm socket. Torque the coil nut to 5 N•m [3.7
lbf•ft].
3. Inspect the machined surface on the control. If you find any nicks or scratches, replace the
component.
4. Lubricate new O-ring (D025A/QD26) using petroleum jelly and install.
5. Install solenoid/actuator housing with three cap screws (D050) using a 4 mm internal hex wrench.
Torque screws to 5 N•m [4 lbf•ft].
6. Reconnect electrical/hydraulic connections and test the pump for proper operation.
MP1 control solenoid identification
Control solenoid removal
EDC
D050 (3X)
D025
D025A
D025A
D025
D050 (3X)
AX00000244en-000201