MDC Control Repair
D025
D025A
D025A
D050 (3X)
4 mm
D050 (3X)
4 mm
MDC Repair Legend:
D80 – Solenoid
D81 – O-ring
D098 – Retaining ring
D750 – Neutral start switch
D751 – O-ring
Wrench size and torque
Item Description Wrench size Torque
D065 O-ring plug 3/16 internal hex 12 N•m [9 lbf•ft]
D200 Feedback pin 13 mm deep well socket 22.5-27.5 N•m [16.6-20.3 lbf•ft]
D250 Cap screw 5 mm internal hex 13.3 N•m [9.8 lbf•ft]
D735 Plug 3/4 inch 30 N•m [22 lbf•ft]
F00A, F00B Servo orifice
3 mm internal hex 2.5 N•m [1.8 lbf•ft]F00P Supply orifice
F00T Tank orifice
1. Using a 5 mm internal hex wrench, remove the six cap screws (D250)
2. Remove the control module and gasket (D150) and discard the gasket.
3. If necessary, remove servo orifices (F00A, F00B), supply orifice (F00P), and tank orifices (F00T) using a
3 mm internal hex wrench.
Tag and number the orifices for reinstallation.
4. If screen (D084) is clogged, use a hook to remove retaining ring (D098) and screen.
5. Remove and discard screen (D084).
6. Before removing the control, note the position of the control lever for reassembly.
The functionality of the MDC control and the neutral position of the pump can be lost.
Do not disassemble the MDC control.
Service Manual
H1T 045/053, 060/068 Axial Piston Tandem Pumps
Minor repair
©
Danfoss | September 2020 AX152886481761en-000405 | 59
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