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Groundsmaster 4000--DHydraulic System Page 4 -- 86
4WD Manifold Service
1. 4WD manifold body
2. Solenoid valve (port SV)
3. Solenoid coil
4. Check valve (port CV)
5. Nut
6. Directional valve (ports PD1 & PD2)
7. Pressure reducing valve (port PR)
8. Relief valve (port RV)
9. Orifice (0.030) (port SV)
10. #4 zero leak plug with O--ring
11. #6 zero leak plug with O--ring
12. Orifice (0.050) (ports OR1 and OR2)
13. #8 zero leak plug with O--ring
Figure 60
25 ft--lb
(34 N--m)
35 ft--lb
(47 N--m)
20 ft--lb
(27 N--m)
50 ft--lb
(67 N--m)
5 ft--lb
(6.7 N--m)
FRONT
UP
7
13
10
8
2
3
1
11
9
4
5
13
13
11
10
10
6
12
11
13
10
1
11
10
PLUG TORQUE
#4 Zero Leak: 20 ft--lb (27 N--m)
#6 Zero Leak: 25 ft--lb (34 N--m)
#8 Zero Leak: 50 ft--lb (67 N--m)
DOWN
REAR
NOTE: The ports on the manifold are marked for easy
identification of components. Example: P1 is a piston
pump connection port andSVis the location for thesole-
noid valve (See Hydraulic Schematic in Chapter 9 --
Foldout Drawings to identify the function of the hydraulic
lines and cartridge valves at each port).