Shaft And Shaft Seal - Danfoss DDC20 Service Manual

Service Manual
DDC20/24 Axial Piston Pumps
Minor repair

Shaft and shaft seal

© Danfoss | August 2019
DDC20/24 machined surface inspection
Inspect all machined surfaces for wear or damage. If any nicks, scratches or wear are found replace
the housing and/or gerotor.
DDC20/24 implement pump assembly
1. Install locating pins (K250) into the endcap.
2. Lubricate and install gerotor (K010).
3. Lubricate and install O-ring (K100/K110) into housing (K150).
4. Install housing (K150).
5. Install screws (K200/K210). Torque screws per table.
DDC20/24 shaft seal removal
1. Orient pump with the shaft pointing up.
2. Using a retaining ring pliers, remove retaining ring (F125).
3. Remove the shaft seal (F120) and discard.
C
Caution
Do not damage the housing bore, shaft or bearing when removing the shaft and shaft seal.
Carefully drive a small sheet-metal screw into the shaft seal to facilitate removal. Be careful not to
damage the bearing below the seal. Attach a slide hammer or appropriate puller to the screw head
and pull to remove the seal.
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