Toro Groundsmaster 328-D, Service Manual

Page: 243 / 402

Disassembly of Steering Valve
1. To avoid distorting or damaging the steering valve, do
not clamp it directly into a vise. Clamp a service assem-
bly fixture securely in a vise (Fig. 25). Put the steering
valve, input shaft first, into the service assembly fixture.
Attache the steering valve to the fixture with four (4)
5/16-24 UNF nuts (Fig. 26).
NOTE: Before beginning the disassembly of the steer-
ing valve, study the relative positions of the alignment
grooves on the side of the components in the assembly.
The relative alignment groove positions on the compo-
nents must be maintained at reassembly (Fig. 24).
Figure 25
Figure 26
2. Use a slot type screwdriver or screwdriver socket to
loosen the plug assembly one turn counterclockwise.
(Fig. 27). Do not remove the plug assembly.
Figure 27
3. Remove the four nuts from the port cover assembly.
Be careful not to damage the ports (Fig. 28).
IMPORTANT: The nuts are a special self-locking
type. Do not substitute any other type.
Figure 28
Groundsmaster
®
300 Series Page 8 - 23 Repairs