Toro Groundsmaster 4000-D Service Manual page 147

Figure 80 illustrates the components that are used in the
Groundsmaster 4000--D steering and engine cooling
fan circuits. The steering control valve hydraulic lines
used on the Groundsmaster 4010--D are slightly differ-
ent and are shown in Figure 81. Procedures for removal,
installation and disassembly/assembly of these compo-
nents are provided on the following pages of this sec-
tion.
Groundsmaster 4000--D/4010--D
GROUNDSMASTER 4010- -D
2
1. Gear pump
2. Steering control valve
3. Fan drive manifold
Page 4 - - 109
4
3
5
1
Figure 81
4. Fan circuit test port
5. Steering test port
Hydraulic System