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Rev. B
Groundsmaster 3505--DHydraulic System Page 4 -- 91.1
Gear Pump Service (Serial Numbers Above 260000400)
1. Front cover
2. Pressure seal
3. Back--up gasket
4. Front thrust plate
5. Idler gear
6. Drive shaft
7. Rear thrust plate
8. Dowel pin
9. Seal
10. Body
11. Seal
12. Splined connecting shaft
13. Pressure seal
14. Back--up gasket
15. Front thrust plate
16. Idler gear
17. Drive gear
18. Rear thrust plate
19. Rear cover
20. Washer (4 used)
21. Cap screw (4 used)
Figure 33
2
3
6
8
9
10
11
13
1
5
7
12
14
15
16
17
18
19
20
4
8
3
2
14
13
21
33 ft--lb
(45 N--m)
Disassembly (Fig. 33)
NOTE: Thegear pump must be replaced as a complete
assembly. Individual gears, housings and thrust plates
are not available separately. Disassemble gear pump
for cleaning, inspection and seal replacement only.
1. Plug pump ports and thoroughly clean exterior of
pump with cleaning solvent. Make sure work area is
clean.
2. Use a marker to make a diagonal line across the
gear pump for assembly purposes (Fig. 34).
Figure 34
DIAGONAL LINE