Primary Hydraulic System Gear Pump (Workman Hdx And Hdx−D) - Toro Workman HD Series Service Manual

Primary Hydraulic System Gear Pump (Workman HDX and HDX−D)
RIGHT
FRONT
12
11
10
9
8
7
6
1
1. Gear pump
2. O−ring
3. Hydraulic fitting
4. Hose clamp
5. Suction hose (from transaxle)
6. O−ring
7. Hose (to lift valve)
8. O−ring
9. Hydraulic fitting
NOTE: The primary hydraulic system gear pump used
on Workman HDX and HDX−D vehicles is a single gear
pump. If the High Flow Hydraulics Kit is installed, a sec-
ond pump section is added to the primary system gear
pump. Both gear pump assemblies are shown (Fig. 28).
Hydraulic System
14
13
ANTI−SEIZE
LUBRICANT
2
3
4
5
10. Flange nut (4)
11. Square key
12. Pump/engine mount
13. Flange head screw (4)
14. Flange head screw (8)
15. Hex head screw (2)
16. Square head screw (2)
17. Pump hub
18. Coupling
15 to 20 ft−lb
(20 to 27 N−m)
18
16
15
19
17
16
14
26
22
23
2
Figure 28
Page 9 − 38
21
20
LOCTITE #242
15 to 20 ft−lb (20 to 27 N−m)
6
9
8
7
GEAR PUMP
2
24
2
3
4
25
19. Hex head screw (2)
20. Flat washer (2)
21. Hex flange nut (2)
22. O−ring
23. 90 hydraulic fitting
24. High flow gear pump
25. Suction hose (from reservoir)
26. Hose (to high flow manifold)
Workman HD Series
HIGH FLOW
3
4
5