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Reelmaster 7000 Hydraulic SystemPage 4 -- 125
Removal (Fig. 93)
1. Park machine on a level surface, lower cutting units,
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 ofhydraulic system during
lift cylinder removal, thoroughly clean exterior of lift cyl-
inder that is to be removed from machine.
WARNING
Make sure that cutting units are fully loweredbe-
foreloosening hydrauliclines fromliftcylinder.If
cutting units are raised as hydraulic lines are
loosened, cutting units may drop unexpectedly.
4. Disconnect hydraulic hoses from lift cylinder. Put
caps or plugs onopen hydrauliclines andfittings to pre-
vent system contamination. Label disconnected hy-
draulic lines for proper assembly.
5. Remove one (1) retaining ring and washer from the
cylinder pin (item 4). Remove cylinder pin from the lift
arm and cylinder rod clevis which will free lift cylinder
from lift arm.
6. Remove flange nut and flange head screw that se-
cure the cylinder pin (item 14) to the frame. Pull pin from
frame and cylinder barrel clevis.
7. Remove lift cylinder from machine.
8. If hydraulic fittings are to be removed from lift cylin-
der, mark fitting orientation to allow correct assembly.
Remove fittings from cylinder and discard O--rings.
Installation (Fig. 93)
1. If fittings were removed from lift cylinder, lubricate
and place new O--rings onto fittings. Install fittings into
cylinderopenings usingmarksmadeduringtheremoval
process to properly orientate fittings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter).
2. Position lift cylinder barrel clevis to frame and insert
cylinder pin (item 14) into frame and clevis. Secure pin
with flange nut and flange head screw.
3. Positioncylinder rod clevisto liftarm andinsert cylin-
der pin ( item 4) with one (1) retaining ring and washer
installed through the lift arm and cylinder clevis. Secure
pin with second washer and retaining ring. Make sure
that retaining ring is fully seated in pin.
4. Remove caps and plugs from hoses and fittings. At-
tach hydraulic hoses to lift cylinder (see HydraulicHose
and Tube Installation in the General Information section
of this chapter).
5. Fill reservoir with hydraulic fluid as required.
6. Follow Hydraulic System Start--up procedures (see
Hydraulic System Start--up in this section).
7. After assembly is completed, operate lift cylinder to
verify that hydraulic hoses and fittingsare not contacted
by anything.
Figure 94
CUTTING UNIT LOCATIONS
#4 #1 #5
#3#2
Hydraulic
System