Hydraulic Pump - Toro Greens Aerator Service Manual

Hydraulic Pump

12
13
14
1. Engine
2. Key
3. Set screw (2 used)
4. Pulley
5. Shield
6. Hydraulic pressure hose
7. Hex nut
8. Lock washer (3 used)
Removal (Fig. 15)
1. Park the machine on a level surface, fully raise the
coring head and stop the engine. Remove the key from
the ignition switch.
2. Raise lock–up brackets on each side of machine and
lower coring head until it rests on brackets.
Operate hydraulic lift control to relieve system
pressure and avoid injury from pressurized hy-
draulic oil.
Hydraulic System
11
10
9
8
7
6
16
15 17
20
21
22
9. Flat washer
10. Spacer
11. Hydraulic pump
12. Pump drive belt
13. Pulley
14. Hose clamp
15. Return hydraulic hose
CAUTION
3
2
4
5
8
18
19
Figure 15
3. Move lift lever to both raise and lower to make sure
that hydraulic system pressure is relieved.
4. Remove control cover from machine (Fig. 16).
5. Position a drain pan under machine below hydraulic
pump. Loosen hose clamp (item 14) from return hydrau-
lic hose (item 15) and remove hose from pump fitting to
allow pump to drain.
6. Loosen and remove hydraulic pressure hose (item 6)
from pump. Locate and discard o–ring (item 16).
7. Loosen two (2) self–tapping screws (item 20) that se-
cure pump support bracket to frame. Loosen jam nut
(item 21) and then loosen square head screw (item 22)
to relax pump drive belt. Remove drive belt from the hy-
draulic pump pulley.
Page 4 – 18
1
FRONT
RIGHT
16. O–ring
17. Cap screw (2 used)
18. Spacer (2 used)
19. Pump support bracket
20. Self tapping screw (2 used)
21. Jam nut
22. Square head screw
Greens Aerator