Hydraulic Oil Cooler - Toro Groundsmaster 4100-D Service Manual

Hydraulic Oil Cooler

Removal
CAUTION
The radiator and oil cooler may be hot. To avoid
possible burns, allow the engine and cooling
systems to cool before working on the oil cooler.
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake, and remove
key from the 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. To prevent contamination of hydraulic system during
oil cooler removal, thoroughly clean exterior of oil cooler
and fittings.
4. Remove oil cooler using Figures 87 and 88 as
guides.
Inspection
1. Back flush oil cooler with cleaning solvent. After cool-
er is clean, make sure all solvent is drained from the
cooler.
CAUTION
Use eye protection such as goggles when using
compressed air.
2. Dry inside of oil cooler using compressed air in the
opposite direction of the oil flow.
3. Plug both ends of oil cooler. Clean exterior of cooler.
Make sure fins are clear of dirt and debris.
4. The oil cooler should be free of corrosion, cracked
tubes, and excessive pitting of tubes.
Installation
1. Install oil cooler using Figures 87 and 88 as guides.
2. Fill reservoir with hydraulic fluid as required (see Op-
erator's Manual).
Hydraulic System
1
1. Oil cooler
12
5
RIGHT
FRONT
1. Oil cooler
o
2. 90 hydraulic fitting
3. O- -ring
4. O- -ring
5. Knob (2 used)
6. Retaining ring (2 used)
Page 4 - - 112
Figure 87
2. Radiator assembly
2
4 3
1
7
6
11
8
Figure 88
7. Carriage screw (2 used)
8. Clamp
9. Oil cooler bracket (RH)
10. Flange screw
11. Flange locking nut
12. Radiator support
Groundsmaster 4100--D
2
3
2
4
10
8
9