Charge pump
DDC20/24 charge pump disassembly
Charge pump cover orientation
P109624
Flat
side
Counterclockwise rotation
Flat
side
Clockwise rotation
Please note the orientation of the charge pump during disassembly (clockwise and counterclockwise).
1. Position the pump with the shaft end pointing down.
2. Mark the orientation of the charge pump cover on the endcap for proper reassembly.
3. Remove cap screws (K200). Remove the charge pump cover (K150).
4. Remove and discard O-ring (K100).
5. Remove gerotor (K010). Push out the drive pin (K050).
DDC20/24 machined surface inspection
Inspect all machined surfaces for wear or damage. If any nicks, scratches or wear are found replace
the cover and/or gerotor.
DDC20/24 charge pump assembly
1. Install drive pin (K050) into the shaft.
2. Lubricate and install the gerotor (K010).
3. Lubricate and install O-ring into cover (K100).
4. Install the housing in its original position (K150).
5. Install screws (K200). Torque screws per table.
Service Manual
DDC20/24 Axial Piston Pumps
Minor repair
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©
Danfoss | August 2019
L1120413 | AX00000135en-000401
