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Reelmaster 7000 Hydraulic SystemPage 4 -- 123
Removal (Fig. 91)
NOTE: The ports on the lift circuit junction manifold are
marked for easy identification of components (e.g. P1is
the gear pump connection port). See Hydraulic Sche-
matic in Chapter 9 -- Foldout Drawings to identify the
function of the hydraulic lines at each port.
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
manifold removal,thoroughly clean exteriorof manifold.
WARNING
Make sure that cutting units are fully loweredbe-
fore loosening hydraulic lines from lift circuit
junction manifold. If cutting units are raised as
hydraulic lines are loosened, cutting units may
drop unexpectedly.
4. Disconnect hydraulic lines from manifold and put
caps or plugs on open hydraulic lines and fittings. Label
disconnected hydraulic lines for proper assembly.
5. Remove hydraulic manifold from the frame using
Figure 91 as guide.
IMPORTANT: A flow control orifice is placed be-
neath several of the hydraulic fittings on the lift cir-
cuit junction manifold (Fig. 92). If a fitting is
removed from the lift junction manifold and an ori-
fice is in the manifold port,make sure to remove ori-
fice and label its position for assembly purposes.
Also note location of groove in orifice for assembly
purposes.
6. If necessary, remove fittings from manifold and dis-
card O--rings (Fig. 92).
Installation (Fig. 91)
IMPORTANT: When installing orifice in manifold,
make sure that orifice is flat in the base of the man-
ifold port. Manifold damage is possible if the orifice
is cocked in the cavity.
1. If fittings wereremoved from junction manifold, lubri-
cate and place new O--rings onto fittings. Install fittings
into manifold openings making sure that orifice is cor-
rectlyplacedbeforethreadingfittinginto manifold.Tight-
en fittings (see Hydraulic Fitting Installation in the
General Information section of this chapter). Refer to
Figure 92 for fitting installation torque.
2. Install hydraulic manifold to the frame using Figure
91 as guide.
3. Remove caps and plugs from fittings and hoses.
Properly connect hydraulic lines to manifold (see Hy-
draulic Hose and Tube Installation in the General Infor-
mation section of this chapter).
4. Check oil level in hydraulic reservoir and add correct
oil if necessary.
5. Follow Hydraulic System Start--up procedures (see
Hydraulic System Start--up in this section).
1. Manifold body
2. Orifice (0.030) (3 used)
3. O--ring
4. Straight fitting (4 used)
5. Zero leak plug (3 used)
6. O--ring
7. Check valve (3 used)
8. O--ring
9. 90
o
hydraulic fitting
10. O--ring
11. Pilot piston (3 used)
Figure 92
25 ft--lb
(34 N--m)
20 ft--lb
(27 N--m)
UP
75 ft--lb
(101 N--m)
2
3
6
8
9
10
11
1
5
7
4
4
6
6
Hydraulic
System