Toro ProLine H800 Service Manual page 182

Installing the Steering Control Valve
Hydraulic System: Service and Repairs
1. If the hydraulic fittings were removed from the steering control valve, lubricate
new O-rings with clean hydraulic fluid, position the O-rings to the fittings, and
install the fittings to the steering control valve; refer to
Fittings (page 5–10).
2. Install the steering control valve onto the steering column by using the
88 as a guide.
3. Remove the caps and plugs that were installed to the hydraulic lines and
fittings during the removal process.
4. Lubricate new O-rings and use the labels that you attached during valve
removal to connect the hydraulic lines to the fittings on the steering control
valve. Tighten the connections; refer to
Tubes (page 5–8).
5. After you complete the assembly, ensure that the hydraulic hoses and
fittings do not contact anything to the steering column. Also, check for any
hydraulic-fluid leaks.
6. Check the hydraulic-fluid level in the hydraulic tank and add correct quantity
of fluid if necessary; refer to the Operator's Manual.
7. Operate the machine functions slowly until air is out of system; refer to
Charging the Hydraulic System (page
8. Install the removed steering column components; refer to
Steering Column (page
9. Start the engine, check for hydraulic-fluid leaks, repair any leaks as
necessary, and fill the hydraulic tank with the correct quantity of new hydraulic
fluid before returning the machine to service.
Installing the Hydraulic Hoses and
5–72).
7–9).
Page 5–114
Installing the Hydraulic
Figure
Installing the
ProLine H800
19241SL Rev A