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Groundsmaster 5900/5910 Hydraulic SystemPage 4 -- 91
Removal (Fig. 64)
1. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
2. To preventcontamination ofhydraulic system during
manifold removal, thoroughly clean exterior of manifold
and fittings.
3. Disconnect wire harness connector from the sole-
noid valve.
4. Disconnect all hydraulic lines from manifold and put
caps or plugs on open hydraulic lines and fittings. Label
disconnected hydraulic lines for proper assembly.
5. Support manifold to prevent it from falling.
6. Remove four (4) flange screws that secure 4WD
control manifold toframe. Remove manifold fromframe.
7. If hydraulic fittings are to be removed from manifold,
mark fitting orientation to allow correct assembly. Re-
move fittings from manifold and discard O--rings.
Installation (Fig. 64)
1. If fittings were removed from manifold:
A. Lubricate new O--rings with clean hydraulic oil.
Install lubricated O--rings on fittings.
B. Install fittings into manifoldopenings using marks
made during the removal process to properly orien-
tate fittings.
C. Refer to Figure 65 for straight fitting installation
torque. For information on tightening procedures for
adjustable fittings, see Hydraulic Fitting Installation
in the General Information section of this chapter.
2. Position 4WD control manifold to the frame and se-
cure with four (4) flange screws.
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. Connect wire harness connector to the solenoid
valve.
5. Make sure hydraulic tankis full. Add correct oilifnec-
essary.
1. 90
o
fitting (P3)
2. O--ring
3. O--ring
4. 4WD manifold
5. O--ring
6. 90
o
fitting (P1 & P2)
7. O--ring
8. O--ring
9. 90
o
fitting (CHG & CD)
10. O--ring
11. O--ring
12. Quick fitting (G1 & G2)
13. Dust cap
Figure 65
8
7
9
10
11
2
3
1
4
20 ft--lb
(27 N--m)
6
5
12
13
UP
Hydraulic
System