Manual Override (Mor) - Danfoss H1P 045 Service Manual

Axial piston single pumps
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Service Manual
H1P 045/053/060/068 Axial Piston Single Pumps
Operation

Manual Override (MOR)

©
Danfoss | June 2020
All controls are available with a manual override functionality, either as a standard or as an option for
temporary actuation of the control to aid in diagnostics.
Control with manual override
MOR schematic (EDC control shown)
M14
C1
F00B
Feedback from swash plate.
The MOR plunger has a 4 mm diameter and must be manually depressed to be engaged. Depressing the
plunger mechanically moves the control spool which allows the pump to go on stroke. The MOR should
be engaged anticipating a full stroke response from the pump.
An o-ring seal is used to seal the MOR plunger where initial actuation of the function will require a force
of 45 N to engage the plunger. Additional actuation typically require less force to engage the MOR
plunger.
Proportional control of the pump using the MOR should not be expected.
W
Warning
Unintended MOR operation will cause the pump to go into stroke; example: vehicle lifted off the ground.
The vehicle or device must always be in a safe condition when using the MOR function.
Refer to control flow table for the relationship of solenoid to direction of flow.
P003 204
C2
F00A
T
P
AX152886481964en-000405 | 17

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