Removal
Installation
1. Park machine on a level surface, lower cutting units, stop engine, engage parking brake, and remove key from the ignition switch.
1. Install steering valve using Figure 88 as a guide.
2. Read the General Precautions for Removing and Installing Hydraulic System Components at the beginning of the Service and Repairs section of this chapter.
2. Make sure hydraulic tank is full. Add correct oil if necessary before returning machine to service.
NOTE: Before disconnecting the hydraulic lines, clean the port area of the steering valve assembly. 3. Tag hydraulic lines for proper reassembly.
Hydraulic System
4. Remove steering valve from machine using Figure 88 as a guide.
Groundsmaster 4500--D/4700--D
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Hydraulic System (Rev. A)