Toro 4100-D service manual Hydraulic System

Removal (Fig. 56)

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 axle motor.

3.Disconnect hydraulic hoses from motor. Put caps or plugs on motor ports and hose openings to prevent con- tamination.

IMPORTANT: Support axle motor to prevent motor from falling during removal.

4.Remove motor from rear axle using Figure 56 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. 56)

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.If removed, install pinion gear to axle motor.

3.Install O--ring onto motor. Position motor to rear axle assembly making sure that arrows on the side of motor case point upward. Align gear teeth and slide motor into place.

4.Secure motor to axle with cap screws and flat wash- ers. Torque screws from 59 to 73 ft--lb (80 to 99 N--m).

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

6.Fill reservoir with hydraulic fluid as required.

7.After assembly is completed, verify that hydraulic hoses and fittings do not contact anything.

Hydraulic System

Groundsmaster 4100--D Page 4 -- 79 Hydraulic System