Charge Pump Repair - Danfoss H1P 045 Service Manual

Service Manual
H1P 045/053/060/068 Axial Piston Single Pumps
Minor Repair

Charge Pump Repair

60 | © Danfoss | June 2020
If an auxiliary pump is attached, remove auxiliary pump and coupling before servicing charge pump.
Position pump with front shaft pointing downward. Attach securely to a proper work stand.
If necessary, you must replace charge pump components (gearset, outer ring, valve and pressure balance
plates) as a kit.
Charge pump removal/installation
G450
G450
S250
S300
1. Remove end cover/auxiliary pad screws (K400) using a 8 mm internal hex wrench.
Alignment pins (G450) are in the end cover. They may dislodge during disassembly.
K400
8 mm
K100
K150
K500
S300
S200
K200
S100
E101 406E
AX152886481964en-000405