Gear Pump - Toro Greensmaster TriFlex 3320/3420 Service Manual

Gear Pump

27 to 31 ft- -lb
(37 to 42 N- -m)
RIGHT
FRONT
1. Gear pump
2. Flat washer (2 used)
3. Socket head screw (2 used)
4. Hydraulic fitting
o
5. 90 hydraulic fitting
Removal (Fig. 34)
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components in
this section.
1. Park machine on a level surface, engage the parking
brake, lower the cutting units and stop the engine. Re-
move key from the ignition switch.
2. Thoroughly clean hydraulic hose ends and fittings on
gear pump to prevent hydraulic system contamination.
Hydraulic System
9
2
3
1
11
5
13
8
6. Hose clamp
7. O- -ring
8. Hydraulic hose (steering/lift supply)
9. Suction (inlet) hose
Page 5 - - 50
Antiseize
Lubricant
6
4
10
7
Figure 34
3. Label all hose connections on gear pump for as-
sembly purposes.
4. Clamp gear pump suction (inlet) hose to prevent
draining the hydraulic tank.
5. Loosen hose clamp and remove suction hose from
the gear pump.
6. Disconnect hydraulic hose from fitting on bottom of
the gear pump. Allow hose to drain into a suitable con-
tainer. Plug hose to prevent contamination.
IMPORTANT: Note position of hydraulic fitting on
bottom of pump for assembly purposes.
12
10. O- -ring
11. O- -ring
12. Piston (traction) pump
13. O- -ring
Greensmaster 3320/3420