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Groundsmaster 4100--D/4110--DHydraulic System Page 4 -- 82
Gear Pump Service
1. Front cover
2. Dowel pin (4 used)
3. Pressure seal
4. Back--up gasket
5. Front thrust plate
6. Seal (8 used)
7. Front body
8. Idler gear
9. Drive shaft
10. Thrust plate (7 used)
11. Dowel pin (6 used)
12. Splined connecting shaft (3 used)
13.Flange(3used)
14. Back--up gasket
15. Pressure seal
16. Drive gear
17. Idler gear
18. Body (2
nd
pump section)
19. Body (3
rd
pump section)
20. Idler gear
21. Drive gear
22. Rear body (4
th
pump section)
23. Rear cover
24. W asher (4 used)
25. Cap screw (4 used)
Figure 58
33 ft--lb
(45 N--m)
10
11
8
15
5
3
19
20
21
22
23
24
9
7
6
1
2
16
17
18
4
14
13
12
25
Disassembly (Fig. 58)
NOTE: The gear 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.
IMPORTANT: Keep bodies, gears, flanges and
thrust plates for each pu mp section together; do not
mix parts between pump sections.
1. Plug pump ports and thoroughly clean exterior of
pump with cleaning solvent. Make sure work area is
clean.
2. Useamarkertomakeadiagonal line across the
gear pump for assembly purposes (Fig. 59).
Figure 59
DIAGONAL LINE