Gear Pump - Toro Groundsmaster 5900 Series Service Manual

Gear Pump

5 to 6 N·m
(45 to 55 in-lb)
21
20
5
10 N·m
(90 in-lb)
17
18
19
g287889
1. Gear pump
2. Piston pump
3. O−ring
4. 90 Elbow barb fitting (2)
5. Straight barb fitting
6. Straight fitting
7. Straight fitting
Gear Pump Removal
Hydraulic System: Service and Repairs
4
4
9
10
112 to 140 N·m
(83 to 103 ft-lb)
8. 45 Elbow fitting
9. Flat washer (2)
10. Cap screw (2)
11. O−ring (2)
12. Mounting flange (4)
13. Lock washer (8)
14. Cap screw (8)
(Figure 81)
1. Park machine on a level surface, lower cutting decks fully, disengage PTO
and stop engine. Remove key from key switch.
2. Open hood to gain access to gear pump. Remove side shrouds for improved
overhead access to pump if desired (see
7–47)).
3. Remove drain plug from the hydraulic reservoir and drain reservoir into
a suitable container.
4. Read the General Precautions for Removing and Installing Hydraulic System
Components (page
2
1 3
8
7
6
Figure 81
15.
16.
17.
18.
19.
20.
21.
Hood and Lower Shrouds (page
5–73).
Page 5–86
11
12
13
14
15
11
12
13
14
16
Hydraulic hose assembly
Hydraulic hose assembly
Hose clamp (2)
Suction hose
Suction hose
Hose clamp
Suction hose
Groundsmaster ® 5900 & 5910
16227SL Rev B