4. Using a 10 mm internal hex, remove screws (K400), and cover (K101).
5. Remove and discard seal (S300).
6. Remove geroter cover (S200).
Note the position of the alignment pin (S500) in the housing. The alignment pin position is different
for clockwise or counterclockwise rotation.
7. Remove and disassemble charge pump assembly.
Charge pump components: shaft (K201), pin (S500), geroter (S100), two clips (K205).
8. Remove and discard gasket (K151). Remove alignment pins (K450).
9. If it is necessary to remove housing (K300), use a 10 mm internal hex to remove screws (K350).
10. Remove housing (K300).
11. Remove and discard seal (K150).
12. Inspect carefully all machined surfaces, geroter and cover, shaft, journal bearings in aux. pad and
housing.
If you find any nicks or scratches, any sign of worn or damage, replace the component (geroter kit or
shaft). Use a suitable press to remove and replace the journal bearings, see below:
Replacing the journal bearings
P107 999E
Geroter
cover
Journal
bearing
1.72 mm ± 0.3
[0.07 inch ± 0.011
Charge Pump Installation
1. Lubricate and install new seal (K150).
2. Install housing (K300). Install screws (K350). Using a 10 mm internal hex, torque screws per listing in
table.
3. Install alignment pins (K450). Install new gasket (K151).
4. Lubricate and reassemble the charge pump assembly, [shaft (K201), pin (S500), geroter (S100), two
clips (K205)].
Install the alignment pin (S500) in its original position. The alignment pin position is different for
clockwise or counterclockwise rotation.
5. Install the charge pump assembly into the housing.
6. Install the geroter cover (S200).
7. Lubricate and install the seal (S300).
8. Install the aux pad (K101).
9. Using a 10 mm internal hex, install screws (K400).
10. Lubricate and install seal (K250). Install running cover (K301).
11. Install screws (K351) and brackets (K975).
Torque screws per listing in the table, see
Charge Pump Repair (045/053 only)
on page 66.
Service Manual
H1T 045/053, 060/068 Axial Piston Tandem Pumps
Minor repair
©
Danfoss | September 2020
AX152886481761en-000405 | 67