Toro Multi Pro 5600 Service Manual page 69

3. Operate all hydraulic controls to relieve hydraulic
system pressure.
4. Remove traction rod from control plate on piston
pump by removing lock nut (Fig. 31).
5. Disconnect two (2) wires from neutral switch on pis-
ton pump (Fig. 31).
6. Remove flange head screw and flange nut that se-
cures R–clamp and right side brake cable to pump as-
sembly (Fig. 31).
7. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
NOTE: To ease reassembly, tag hydraulic hoses to
show their correct position on the pump assembly.
8. Put a drain pan below the pump assembly. Remove
hydraulic hoses and fittings connected to piston and
gear pumps. Put plugs or caps on disconnected hydrau-
lic hoses to prevent contamination of the system. Put
plugs in open ports of pumps.
9. Support the pump assembly to prevent it from falling.
Remove two (2) cap screws, lock washers and flat
washers that retain pump assembly to engine bell hous-
ing (Fig. 30).
10.Carefully pull pump assembly from engine and lower
it out of the machine.
11. If needed, separate gear pump from piston pump
(see Gear Pump Removal in this section).
Installation (Fig. 29)
1. If gear pump was removed from piston pump, install
gear pump to piston pump (see Gear Pump Installation
in this section).
2. Apply antisieze lubricant to piston pump shaft
splines.
3. Carefully raise pump assembly and position it to the
engine. Make sure that both bushings on control plate
are between centering arms on rear of engine (Fig. 31).
4. Align spline teeth and slide piston pump input shaft
into engine coupling spline. Support pump to prevent it
from falling while installing two (2) cap screws, lock
washers and flat washers to secure pump to engine bell
housing.
5. Secure traction rod to control plate on piston pump
by installing lock nut (Fig. 31).
6. Connect two (2) wires to neutral switch on piston
pump (Fig. 31).
Multi Pro 5600
7. Remove plugs or caps from disconnected hydraulic
hoses and ports of the pump assembly. Lubricate new
o–rings and install fittings and hoses to correct location
on gear and piston pumps.
8. Secure R–clamp and right side brake cable to pump
assembly with flange head screw and flange nut.
9. Install new hydraulic oil filter and fill hydraulic reser-
voir with correct oil (see Operator's Manual).
10.Properly fill hydraulic system (see Charge Hydraulic
System in the Service and Repairs section of this chap-
ter).
11. Stop engine and check for hydraulic oil leaks. Check
hydraulic reservoir oil level.
3
4
5
1. Engine assembly
2. Pump assembly
3. Cap screw (2 used)
1
1. Traction rod lock nut
2. Neutral switch
Page 4 – 35
2
1
Figure 30
4. Lock washer (2 used)
5. Flat washer (2 used)
4
3
2
Figure 31
3. R–clamp/brake cable
4. Centering arm
Hydraulic System