Toro Groundsmaster 4500-D Service Manual page 113

Hydraulic Control Manifold Service: Power Down and Traction Assist (GM 4500- -D)
25 ft- -lb
(33.9 N- -m)
20 ft- -lb
(27.1 N- -m)
1
1. Manifold body
2. Traction assist valve (RV2: port 2)
3. Counterbalance valve (RV1: port 4)
NOTE: The ports on the manifold are marked for easy
identification of components. Example: CB is the con-
nection port from the lift/lower control valve and CHG is
the charge circuit connection (See Hydraulic Schemat-
ics to identify the function of the hydraulic lines and car-
tridge valves at each port).
For cartridge valve service procedures, see Hydraulic
Control Manifold Service: 2 Wheel/4 Wheel Drive Con-
trol in this section. Refer to Figure 67 for cartridge valve
installation torque.
Groundsmaster 4500--D/4700--D
2
6
4
Figure 67
4. Expanding plug (not serviced)
5. Lift relief valve (RV7: port 7)
Page 4 - - 75
25 ft- -lb
3
(33.9 N- -m)
20 ft- -lb
(27.1 N- -m)
5
6
6. Traction pressure sensing valve
(PD3: port 5)
Hydraulic System (Rev. A)