TM 5-3805-255-14
0120
DISASSEMBLY
000120
NOTE
Mark pump housing to pump cover and pump body for ease of assembly.
1. Remove four bolts (Figure 1, Item 1) from cover (Figure 1, Item 2).
CAUTION
Before removing pump from housing note direction of rotation and GPM rating. It is
essential that pump be reassembled correctly. The direction of rotation is viewed from
shaft end; right-hand rotation is clockwise; left-hand, counterclockwise. Failure to follow
this caution may result in damage to equipment.
2. Remove cover (Figure 1, Item 2) and pump assembly (Figure 1, Item 3) from pump housing (Figure 1, Item 4).
3. Remove four bolts (Figure 1, Item 6) from housing (Figure 1, Item 4).
4. Remove housing (Figure 1, Item 4) from main hydraulic pump body (Figure 1, Item 13).
5. Remove second pump assembly (Figure 1, Item 5) from main hydraulic pump body (Figure 1, Item 13).
6. Remove sealing ring (Figure 1, Item 7) and shaft (Figure 1, Item 10) with bearing (Figure 1, Item 9) from main
hydraulic pump body (Figure 1, Item 13).
NOTE
Current bearings may not use snap ring and groove on outer bearing race OD. Note if
snap ring is present on shaft.
7. Remove flat washer (Figure 1, Item 11), oil seal, and felt wiper (Figure 1, Item 12) from pump body (Figure 1,
Item 13). Discard oil seal and felt wiper.
8. Remove and discard snap ring (Figure 1, Item 8) (if used) from shaft (Figure 1, Item 10).
9. Support inner race of bearing (Figure 1, Item 9) with suitable tool.
10. Remove bearing (Figure 1, Item 9) from shaft (Figure 1, Item 10).
0120-2