Hydraulic Control Manifold Service: 4 Wheel Drive - Toro Groundsmaster
4000?D Service Manual

PRELIMINARY – For Toro Distributor and Toro Company use only.

Hydraulic Control Manifold Service: 4 Wheel Drive

35 ft−lb
(47 N−m)
25 ft−lb
10
(34 N−m)
4
8
7
3
5
5 ft−lb
(6.7 N−m)
1. Manifold body
2. Solenoid valve (port SV)
3. Solenoid coil
4. Check valve (port CV)
5. Nut
NOTE: The ports on the manifold are marked for easy
identification of components. Example: P1 is a piston
pump connection port and 2 is the location for the sole-
noid valve (See Hydraulic Schematics to identify the
function of the hydraulic lines and cartridge valves at
each port).
Hydraulic System
10
13
9
2
10
20 ft−lb
(27 N−m)
6. Directional valve (ports PD1 & PD2)
7. Pressure reducing valve (port PR)
8. Relief valve (port RV)
9. Orifice (.030)
13
11
1
11
13
13
UP
FRONT
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)
Figure 49
Page 4 − 68
REAR
6
DOWN
50 ft−lb
(67 N−m)
11
12
10. #4 zero leak plug with O−ring
11. #6 zero leak plug with O−ring
12. Orifice (.050)
13. #8 zero leak plug with O−ring
Groundsmaster 4000−D
10
1
11
10