Toro Sand Pro 5040 Service Manual page 83

Removal (Fig. 47)
1. Park machine on a level surface, lower attachment,
stop engine, apply parking brake and remove key from
ignition switch.
2. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
3. Remove two (2) cap screws and flat washers that se-
cure center shroud to machine (Fig. 48). Lift center
shroud from frame.
4. Place drain pan under hydraulic oil filter. Make sure
that drain pan is large enough to hold hydraulic tank con-
tents (5 gallons/13.2 liters).
5. Remove hydraulic oil filter from filter head to allow
hydraulic tank to drain.
6. Remove cap screw, lock nut and flat washer that se-
cures traction rod to pump lever.
7. Disconnect traction neutral switch connector from
machine wire harness.
8. Remove oil cooler from machine (see Oil Cooler Re-
moval in this section).
9. Label all hydraulic connections at hydrostat for as-
sembly purposes. Thoroughly clean hydraulic hose and
tube ends prior to disconnecting the hoses and tubes.
CAUTION
Operate all hydraulic controls to relieve system
pressure and avoid injury from pressurized hy-
draulic oil.
10.Disconnect hydraulic lines from fittings on hydrostat.
Allow hoses to drain into a suitable container.
11. Put caps or plugs on disconnected lines and fittings
to prevent contamination.
12.Loosen two (2) set screws on the pump hub to allow
hub removal from the hydrostat shaft.
13.Support hydrostat to prevent it from falling during re-
moval.
14.Remove two (2) socket head screws and lock nuts
that secure hydrostat to engine support.
IMPORTANT: Make sure not to damage the hydros-
tat, hydrostat coupling, fuel and hydraulic lines,
electrical harness or other parts while removing the
hydrostat from the machine.
Sand Pro & Infield Pro 3040/5040
1. Center shroud
2. Cap screw (2 used)
SAND PRO/INFIELD
PRO 5040
8
1. Hydrostat
2. O–ring
o
3. 90 hydraulic fitting
4. Hydraulic hose
15.Remove hydrostat from machine as follows:
A. Slide hydrostat toward the front of machine to re-
move hydrostat shaft from pump hub. Take care not
to damage the hydrostat coupling.
B. Once the hydrostat shaft is clear of the pump hub,
remove hydrostat from the machine.
C. Locate and retrieve square key from the hydros-
tat shaft.
16.If necessary, loosen two (2) set screws that secure
fan hub to hydrostat shaft. Remove fan and fan hub from
hydrostat. Locate and retrieve square key from shaft.
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2
1
3
Figure 48
3. Flat washer (2 used)
6
6
7
5
Figure 49
5. Hydraulic hose
6. O–ring
7. Hydraulic Tee fitting
8. Hydraulic hose
Hydraulic System
1
2
3
4