Hydraulic Schematic 8 - Toro GroundsmasterR 4300-D Service Manual

Deck Control Manifold Service
35 ft- -lb
(47 N- -m)
3
4
4
5
60 in- -lb
(6.7 N- -m)
1. Deck control manifold
2. Logic element (LC1/LC2)
3. Proportional relief valve (PRV1/PRV2)
4. Solenoid coil
NOTE: The ports on the deck control manifold are
marked for easy identification of components. Example:
P1 is the pump P1 connection port and PRV2 is the loca-
tion for the proportional relief valve PRV2 (see Hydraulic
Schematic in Chapter 8 -- Foldout Drawings to identify
the function of the hydraulic lines and cartridge valves
at each manifold port).
Hydraulic System
UP
25 ft- -lb
1
(33 N- -m)
2
6
20 ft- -lb
3
(27 N- -m)
35 ft- -lb
(47 N- -m)
2
25 ft- -lb
(33 N- -m)
5. Nut
6. Plug (zero leak #4)
7. O- -ring
8. Plug (zero leak #8)
8
50 ft- -lb
(68 N- -m)
8
UP
Figure 81
Page 4 - - 92
50 ft- -lb
(68 N- -m)
9
20 ft- -lb
(27 N- -m)
7
6
50 ft- -lb
(68 N- -m)
8
10
11
8
11
9. O- -ring
10. Relief valve (RV1/RV2)
11. Pilot piston
Groundsmaster 4300--D
20 ft- -lb
(27 N- -m)