Groundsmaster 4100--DHydraulic System Page 4 -- 112
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).
1. Oil cooler 2. Radiator assembly
Figure 87
1
2
1. Oil cooler
2. 90
o
hydraulic fitting
3. O--ring
4. O--ring
5. Knob (2 used)
6. Retaining ring (2 used)
7. Carriage screw (2 used)
8. Clamp
9. Oil cooler bracket (RH)
10. Flange screw
11. Flange locking nut
12. Radiator support
Figure 88
FRONT
RIGHT
1
5
6
7
9
8
10
11
2
4
3
3
2
4
12
8
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