Toro 4100-D service manual Hydraulic System

Removal (Fig. 57)

1.Park machine on a level surface, lower cutting deck, stop engine, apply parking brake and remove key from the ignition switch.

2.Read the General Precautions for Removing and Installing Hydraulic System Components at the begin- ning of the Service and Repairs section of this chapter.

NOTE: To ease installation, tag the hydraulic hoses to show their correct position on the wheel motor.

3.Disconnect hydraulic hoses and tubes from wheel motor. Put caps or plugs on motor ports and hose open- ings to prevent contamination.

IMPORTANT: Before loosening fasteners, support wheel motor to prevent motor from falling during re- moval.

4.Remove wheel motor using Figure 57 as a guide.

5.If hydraulic fittings are to be removed from motor, mark fitting orientation to allow correct assembly. Re- move fittings from motor and discard O--rings.

Installation (Fig. 57)

1.If fittings were removed from motor, lubricate and place new O--rings onto fittings. Install fittings into port openings using marks made during the removal process to properly orientate fittings. Tighten fittings (see Hy- draulic Fitting Installation in the General Information section of this chapter).

2.Position wheel motor to brake assembly making sure that arrows on the side of motor case point upward.

3.Align splines on motor shaft and splined brake shaft. Slide motor into brake assembly.

4.Secure motor to brake assembly with cap screws and flat washers. Tighten cap screws from 75 to 85 ft--lb (101 to 115 N--m).

5.Remove plugs from wheel motor ports and hose openings. Attach hydraulic hoses and tubes to wheel motor.

6.Fill reservoir with hydraulic fluid as required.

Hydraulic System

Groundsmaster 4100--D Page 4 -- 81 Hydraulic System