Gear Pump Service
33
(45
ft--lb
N--m)
12
11
10
9
7
22
23
6
13
21
1
2
8
19
17
6
8
16
21
24
5
4
14
20
3
18
33
(45
ft--lb
N--m)
15
Figure 72
1.
2.
3.
4.
5.
6.
7.
8.
Front cover
Dowel pin (16 used)
9.
Body (P1 section)
17. Drive gear
10. Flange (3 used)
18. Driven gear
Square section seal (8 used)
Back--up ring (8 used)
Pressure seal (8 used)
Thrust plate (8 used)
Drive shaft
11. Splined connecting shaft (3 used)
12. Drive gear
13. Body (P2 section)
14. Drive gear
15. Driven gear
16. Body (P3 section)
19. Body (P4 section)
20. Rear cover
21. Washer (4 used)
22. Stud bolt (2 used)
23. Nut (2 used)
24. Cap screw (2 used)
Driven gear (2 used)
Disassembly (Fig. 72)
IMPORTANT: Use caution when clamping gear
pump in a vise to avoid distorting any pump compo-
nents.
NOTE: Thegearpumpmustbereplacedasacomplete
assembly. Individual gears, housings and thrust plates
are not available separately. Disassemble gear pump
for cleaning, inspection and seal replacement only.
3. Secure the front cover of the pump in a vise with the
drive shaft pointing down.
IMPORTANT: Keep bodies, gears, flanges and
thrustplatesforeachpumpsectiontogether; donot
mix parts between pump sections.
4. Loosen the two (2) cap screws and two (2) nuts that
secures pump assembly.
5.
Remove pump from vise and remove fasteners.
1.
pump with cleaning solvent. Make sure work area is
clean.
Plug pump ports and thoroughly clean exterior of
6.
Supportthepumpassemblyandgentlytapthepump
case with a soft face hammer to loosen the pump sec-
tions. Be careful to not drop parts or disengage gear
mesh.
2.
Use a marker to make a diagonal line across the
gear pump for assembly purposes (Fig. 73).
Hydraulic System
Page 4 -- 74
Groundsmaster 4300--D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4300 D |
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|
| Document Type | Catalog |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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