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Groundsmaster 4000--DHydraulic System Page 4 -- 124
PTO Manifold Service
1. PTO manifold body
2. NWD SAE #4 plug with O--ring
3. Orifice (0.063) (port OR)
4. #8 zero leak plug with O--ring
5. Relief valve (port RV2)
6. Solenoid valve (port S)
7. Solenoid coil
8. Nut
9. Relief valve (port RV1)
10. Spool logic cartridge (port LC2)
11. Spool logic cartridge (port LC1)
Figure 88
10
8
9
4
2
6
7
1
5
3
11
25 ft--lb
(34 N--m)
20 ft--lb
(27 N--m)
50 ft--lb
(67 N--m)
5 ft--lb
(6.7 N--m)
25 ft--lb
(34 N--m)
20 ft--lb
(27 N--m)
20 ft--lb
(27 N--m)
20 ft--lb
(27 N--m)
RH DECK PTO MANIFOLD SHOWN
NOTE: The ports on the manifold are marked for easy
identification of components. Example: Sisthe deck so-
lenoid valve and P1 is the gear pump connection port.
(See Hydraulic Schematic in Chapter 9 -- Foldout Draw-
ings toidentifythe function ofthe hydraulic lines andcar-
tridge valves at each port location).
The control manifolds for the three (3) cutting decks are
very similar. The front deck control manifold does not in-
clude an orifice (item 3). Note: When servicing the deck
control manifolds, DO NOT interchange parts from one
control manifold to another.