3.
Make sure fins are clear of dirt and debris.
Plug both ends of oil cooler. Clean exterior of cooler.
CAUTION
4.
The oil cooler should be free of corrosion, cracked
tubes, and excessive pitting of tubes.
One person should operate the chain fall or jack
while the other person guides the engine and hy-
drostat from the frame.
IMPORTANT: When moving the engine and hydros-
tat from the frame, make sure not the damage the
cooling fan, wires, hoses, and cables.
2
6.
Reposition hydrostat and engine as follows:
A. Position a jack or chain fall to the engine base.
B. Remove lock nuts, flat washers, and cap screws
securing front engine mounts to the frame (Fig. 90).
1
C. Remove cap screws and flat washers securing
the engine support the the frame (Fig. 48).
Figure 89
1.
Control rod
2.
Pump lever
D. Lower and pull back hydrostat and engine from
the cooler mount. Cooling fan must clear the mount.
1
7.
Use flexible wire to secure the hydraulic tank (40) to
2
the frame.
8.
Remove cap screws (21) and flat washers (20) se-
curing the hydraulic tank (40) to the cooler mount (25).
4
9.
Remove three self tapping screws (26) securing the
lower portion of the cooler mount (25) to the frame.
10.
Remove both lock nuts (23) and cap screws (42) se-
curing the upper front portion of the cooler mount (25) to
the frame. Lower mount and cooler from the machine.
3
11.
Separate oil cooler (40) from the cooler mount (25)
by removing socket head screws (27) from the T–nuts
Figure 90
(34)
12.
and rubber clamps (35).
1.
2.
Lock nut
Flat washer
3.
4.
Cap screw
Front engine mount
Remove 90o hydraulic fittings (36) and O–rings (5)
from the oil cooler (40). Put caps or plugs in cooler open-
ings to prevent contamination.
Oil Cooler Inspection (Fig. 88)
CAUTION
2
Use eye protection such as goggles when using
compressed air.
1
1
1.
Back flush oil cooler with cleaning solvent (bottom
opening to top opening). After cooler is clean, make sure
all solvent is drained from the cooler.
Figure 91
1.
Cap screw & flat washer
2.
Engine support
2.
Dry inside of oil cooler using compressed air in the
opposite direction of the oil flow.
Sand Pro 2020/3020/5020
Page 4 – 75
Hydraulic System (Rev. A)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 3020, Toro 5020, Toro 98957SL.Toro 2020 |
| Download File |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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