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Groundsmaster 4000--D/4010--DHydraulic System Page 4 -- 84
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
19. Body
20. Idler gear
21. Drive gear
22. Rear body
23. Rear cover
24. Washer (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 gearpump must be replaced as acomplete
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
thrustplates foreachpumpsection together;donot
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