TSE DP20-4H, Owner'S Manual

Page: 84 / 242

Inspection
Inspect the machined surfaces on the control and top of the pump. If you find any nicks or scratches,
replace the component.
Reassembly
Ensure you install dowel pins (D300) in the housing before installing the control.
1. Install a new gasket (D150).
2. Install dowel pins (D300) in the housing.
W
Warning
If the feedback pin comes off during operation, the pump will lose controllability causing a
potentially hazardous situation. Insure feedback pin is properly torqued before continuing with
reassembly.
3. If you removed screen (D084), install a new one. Install it with the mesh facing outward (see drawing).
Install retaining ring (D098).
MDC - Proper screen orientation
P106 618E
D084
D084
Incorrect screen
orientation
Correct screen
orientation
D098
4. If previously removed, install orifices using a 3 mm internal hex wrench. Torque to 2.5 Nm [1.8 lbf ft].
Remove the plug on top of the control to ensure the swashplate feedback pin is properly positioned
in the center of the control module when installing control.
5. Install the control module and six cap screws (D250).
Torque sequence
P106 195E P106 195E
2
3
4
5
6
1
6. Using a 5 mm internal hex wrench, torque the cap screws (D250) to 13.3 Nm [9.8 lbf ft].
Charge pump
If the pump has an auxiliary pump attached, remove the auxiliary pump and connecting shaft before
removing the auxiliary pad.
Charge Pump Removal
1. Position pump so end cover or auxiliary pad (K100) is on top.
Service Manual
MP1
Minor Repair
50 | © Danfoss | July 2017 AX00000244en-US0103