Removal (Fig. 112)
Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
Inspection
1.
1. Clean hydraulic reservoir and suction strainer with
solvent.
2.
Inspect reservoir for leaks, cracks or other damage.
Installation (Fig. 112)
If fittings were removed from reservoir, lubricate and
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
1.
place new O--rings onto fittings. Installfittings intoreser-
voir openings using marks made during the removal
process to properly orientate fittings. Torque fittings to
values identified in Figure 112.
3.
hydraulic reservoir removal,thoroughlycleanexteriorof
reservoir.
To prevent contamination of hydraulic system during
4.
ting on bottom of reservoir to allow draining of reservoir.
Drain reservoir into a suitable container.
Disconnectoneofthehydraulictubesfromtheteefit-
2.
Install reservoir using Figure 112 as a guide.
IMPORTANT: When tightening hoses to reservoir
fittings, hold fitting with wrench to prevent over--
tightening of fitting and potential reservoir damage.
5.
voir. Label the hydraulic hoses to show their correct
position on the reservoir for assembly purposes.
Disconnect remaining hydraulic hoses from reser-
3.
Connect hydraulic hoses to reservoir fittings (see
Hydraulic Hose and Tube Installation in the General In-
formation section of this chapter).
6.
guide.
Remove hydraulic reservoir using Figure 112 as a
4.
Fill reservoir with hydraulic fluid to proper level.
7.
If hydraulic fittings are to be removed from reservoir,
mark fitting orientation to allow correct assembly. Re-
move fittings from reservoir and discard O--rings.
Groundsmaster 4500--D/4700--D
Page 4 -- 135
Hydraulic System
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