Groundsmaster 4300--D Hydraulic SystemPage 4 -- 117
Removal (Fig. 104)
1. Park machine on a level s urface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Unlatch and open the rear screen.
3. Label all hydraulic connections for assembly pur-
poses. Thoroughly clean hydraulic connections prior to
loosening hydraulic hoses.
4. Loosen hose clamps that secure hydraulic hoses to
oil cooler fittings. Remove hoses from oil cooler. Allow
hoses to drain into a suitable container.
5. Rotate clamps that secure oil cooler to radiator
frame.
6. Pull oil c ooler from machine.
7. If necessary, remove hydraulic fittings, clamps and
brackets from oil cooler using Figure 104 as a guide.
Inspection
1. Backflush 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 oil cooler fins are clear of dirt and debris.
4. The oil cooler should be free of corrosion, cracked
tubes and excessive pitting of tubes.
Installation (Fig. 104)
1. If removed, install hydraulic fittings, clamps and
brackets to oil cooler using Figure 104 as a guide.
2. Position oil cooler to radiator and secure with
clamps.
3. Install hydraulic hoses to oil cooler fittings and se-
cure with hose clamps.
4. Afteroil cooler installation, clean oil cooler,hosecon-
nections, fittings, radiator and surrounding area of ma-
chine to prevent future accumulation of dirt and debris
on machine components.
5. Install radiator screento machine. Lowerand secure
hood.
6. Check oil level in hydraulic reservoir and add correct
oil if necessary.
Hydraulic
System
