13.Remove retaining ring (37) from the bore on the flange end of the housing assembly (15). Press the shaft (31), shaft seal (36), and washer (35) from the housing assembly.
14.Remove retaining ring (32), washer (35), thrust bearing (34), second washer (35), and second retaining ring (32) from the shaft (31).
15.Remove screws (7), trunnion cover (8), O±ring cov- er (9), O±ring (10), washer (11), inner race (12), and bearing (13). Remove screws (7), seal cover (16), shaft seal (17), washer (11), and bearing (13).
16.Position camplate (20) to one side and remove from the housing assembly (15).
Inspection
CAUTION
Use eye protection such as goggles when using compressed air
1.Wash all parts in solvent. Dry parts with compressed
air.
2.Inspect charge pump adapter assembly (see Fig.
25).
A.Check relief valve seat inside suction port. Make sure that seat is smooth and free of burrs or other defects. Relief valve spring must not be damaged.
B.Bearing needles must remain in bearing cage and move freely. Verify that bearing depth on the flange side meets the dimension in Figure 27.
C.Make sure gerotor pocket inside the pump is not excessively scored.
3.Inspect backplate assembly (25) (see Fig. 24).
A.Bearing needles must remain in bearing cage and move freely. Verify that bearing height on the numbered end meets the dimension in Figure 28.
B.Check that the roll pin is tight and meets the height in Figure 28.
C.Replace entire assembly as a unit.
4.Inspect camplate assembly (20) (see Fig. 24). There should be no signs of scoring on the piston shoe surfaces.
FLANGE | 0.090 to 0.100 in. |
| (2.54 to 2.89 mm) |
BEARING
DEPTH
GEROTOR POCKET
| Figure 27 |
|
|
0.070 to 0.080 in. | 0.105 to 0.115 in. |
(1.78 to 2.03 mm) | (2.67 to 2.92 mm) |
BEARING | ROLL PIN |
HEIGHT | HEIGHT |
|
|
Figure 28
FLANGE END OF HOUSING | Hydraulic System |
0.062 to 0.078 in. | |
(1.57 to 1.98 mm) |
|
NUMBERED END |
|
|
|
BEARING
DEPTH
Figure 29
5.Inspect housing assembly (15) (see Fig. 24).
A.Verify that bearing depth on the numbered end meets the dimension in Figure 29.
B.Bearing needles must move freely and remain in their cage.
Reelmaster 2300±D/2600±D | Page 4 ± 41 | Hydraulic System |
