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Groundsmaster 4100--D/4110--DHydraulic System Page 4 -- 128
PTO Manifold Service
1. PTO manifold body
2. NWD SAE #4 plug with O--ring
3. Orifice (0.025) (port OR)
4. #6 zero leak plug with O--ring
5. Relief valve (port RV1)
6. Proportional relief valve (port PRV)
7. Solenoid coil
8. Nut
9. Logic cartridge valv e (port LC1)
10. Pilot directional valve (port PD1)
Figure 100
20 ft--lb
(27 N--m)
5ft--lb
(6.7 N--m)
20 ft--lb
(27 N--m)
8
6
7
5
25 ft--lb
(34 N--m)
35 ft--lb
(47 N--m)
10
9
1
4
2
3
25 ft--lb
(34 N--m)
20 ft--lb
(27 N--m)
NOTE: The ports on the manifold are marked for easy
identification of components. Example: RV is the relief
valve port and P1 is the gear pump connection port (see
Hydraulic Schematic in Chapter 10 -- Foldout Drawings
to identify the function of the hydraulic lines and car-
tridge valves at each port location).