Gear Pump - Toro Reelmaster 5500-D Service Manual

Gear Pump

1
3
19
18
1. Suction hose
2. Hose clamp
3. Hydraulic fitting
4. Cap screw
5. Lock washer
6. Gasket
7. Transmission coupler
Removal
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Raise seat and secure it with prop rod to get access
to pump.
3. Drain the hydraulic reservoir.
4. To prevent contamination of hydraulic system during
removal, thoroughly clean exterior of pump and fittings.
5. Disconnect hydraulic lines from pump and put caps
or plugs on open hydraulic lines and fittings. Label dis-
connected hydraulic lines for proper Reassembly
(Fig. 84).
6. Remove two (2) cap screws and washers securing
pump to support plate. Remove pump, transmission
coupler, and transmission adapter.
Hydraulic System (Rev. C)
21
5
4
6
2
17
16
15
14
8. Transmission adapter
9. O-ring
10. Hydraulic straight fitting
11. O-ring
12. Hydraulic hose
13. Hydraulic hose
14. Hydraulic hose
Page 4 - 70
8
7
20
10
11
12
13
Figure 84
Installation
1. Lubricate a new O-ring with clean hydraulic oil and
install on pump.
2. Install transmission coupler on the transmission out-
put shaft.
3. Install pump shaft with transmission adapter onto the
transmission coupler and support plate. Secure pump
and transmission adapter to support plate with two (2)
cap screws and lock washers.
4. Replace hydraulic filter and fill hydraulic reservoir
with new hydraulic oil.
5. Disconnect fuel stop solenoid electrical connector on
engine to prevent engine from starting. Prime the hy-
draulic pump by turning the ignition key switch to crank
the engine for 10 seconds. Repeat cranking procedure
again.
6. Connect fuel stop solenoid electrical connector, start
the engine and check for proper operation.
7. Stop engine and check for hydraulic oil leaks. Check
hydraulic reservoir oil level.
9
15. O-ring
16. Hydraulic straight fitting
17. O-ring
18. Gear pump
19. O-ring
20. O-ring
21. Flat washer
Reelmaster 5500-D