7. Remove and discard gasket (D150).
Alignment pins are pressed into control. Do not remove them.
8. If necessary, remove orifices (F00A, F00B) using a 3 mm internal hex.
Tag and number the orifices for reinstallation.
9. If it is necessary to remove the screens, drill out screen retention ring (D098).
Drill Out Retention Ring
Screen
Retention
Ring
P108 022E
Note screen orientation for reassembly.
10. Remove and discard screen (D084).
AC Control Installation
Inspect control, pump housing and plastic PC board housing, and its sealing areas.
C
Caution
Do not damage the plastic housing in the plug sealing area when installing the screws.
Inspect the machined surfaces on the control and top of the pump. If you find any nicks or scratches,
replace the component.
If pump has been rebuilt or a new control is being installed, control software must be recalibrated. Refer
to
H1 Automotive Control User Manual
for recalibration instructions.
1. If you removed screen (D084), install a new one with the mesh facing outward.
2. Install a new retaining ring (D098).
Be sure screen will not move axially in bore after retention ring is installed.
Proper screen orientation
D084
D084
Incorrect screen
orientation
Correct screen
orientation
D098
3. If previously removed, install orifices using a 3 mm internal hex wrench and torque to 2.5 N•m [1.8
lbf•ft].
4. Install a new gasket (D150).
5. Install the control module and six cap screws (D250).
Service Manual
H1P 069—H1P 250 Axial Piston Single Pumps
Minor Repair
©
Danfoss | September 2020
AX152886482551en-000504 | 51
