Service Manual

Groundsmaster 4100--D/4110--D Hydraulic SystemPage 4 -- 145
Removal (Fig. 104)
1. Park machine on a level surface, lower cutting deck,
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 this section.
WARNING
Make sure that cutting deck (including wing
decks) is fully lowered before loosening hydrau-
lic lines from wing deck lift cylinders. If decks are
not fully lowered as hydraulic lines are loosened,
deck may drop unexpectedly.
3. Remove deck covers as needed to allow access to
lift cylinder hoses and fasteners.
4. To prevent contamination of hydraulic system during
lift cylinder removal, thoroughly clean exterior of cylin-
der and hose fittings.
NOTE: Toease installation,labelthe hydraulichoses to
show their correct position on the lift cylinder.
5. Disconnect hydraulic hoses from lift cylinder and put
caps or plugs on open hydraulic hoses and fittings. La-
beldisconnected hydraulichoses forproperinstallation.
6. Remove cap screw and lock nut that secure the lift
cylinder clevis to the wing deck.
7. Remove lock nut and flat washer from the tapered
stud on the barrel end of the lift cylinder.
8. Remove lift cylinder from deck assembly.
9. Remove spherical bearings from lift cylinder clevis
ends, if required.
A. On shaft clevis, remove retaining ring and then
press spherical bearing from clevis.
B. On barrel clevis, remove retaining ring and then
press tapered stud with spherical bearing and flange
nut from clevis. Remove flange nut and then spheri-
cal bearing from stud.
Installation (Fig. 104)
1. If removed, install spherical bearings into lift cylinder
clevis ends.
A. On shaft clevis, press spherical bearing into cle-
vis and secure with retaining ring.
B. On barrel clevis, install spherical bearing on ta-
pered stud and secure with flange nut. Torqueflange
nut from 30 to 40 ft--lb (41 to 54 N--m). Install stud
with spherical bearing into clevis and secure with re-
taining ring.
2. Thoroughly clean tapered surfaces of lift cylinder
stud and mounting boss on deck.
3. Position lift cylinder to cutting deck. Insert tapered
stud into deck mounting boss. Secure stud with flat
washer and lock nut. Torque flange nut from 160 to 180
ft--lb (217 to 244 N--m).
4. Insert cap screw from the front of the deck through
the deck brackets and cylinder shaft c levis. Secure cap
screw with lock nut. Torque lock nut from 160 to 180 ft--
lb (217 to 244 N--m).
5. Remove caps and plugs from fittings and hydraulic
hoses. Using labels placed during cylinder removal,
properly attach hydraulic hoses to lift cylinder (see Hy-
draulic Hose and Tube Installation in the General Infor-
mation section of this chapter).
6. Install all removed deck covers.
7. Fill reservoir with hydraulic fluid as required.
8. After assembly is completed, operate lift cylinder to
verify that hydraulic hoses and fittings are not contacted
by anything.
Hydraulic
System