Toro 30411, Service Manual

Page: 121 / 262

Groundsmaster 4100--D Hydraulic System Page 4 -- 79
Removal
1. Park machine on a level surface, lower cutting
decks, stop engine, engage 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.
3. To prevent contamination of hydraulic system during
motor removal, thoroughly clean exterior of motor and
fittings.
NOTE: To ease reassembly, tag the hydraulic hoses to
show their correct position on the axle motor.
4. Disconnect hydraulic hoses from rear axle motor.
Put caps or plugs on open hydraulic lines, fittings, and
ports to prevent contamination.
IMPORTANT: Support axle motor to prevent motor
from falling during removal.
5. Remove motor using Figure 62 as a guide.
Installation
1. If removed, install pinion gear to axle motor.
2. 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.
3. Secure motor to axle with cap screws and flat wash-
ers. Torque screws from 59 to 73 ft--lb (80 to 99 N--m).
4. Remove plugs from hydraulic lines, fittings, and
ports. Attach hydraulic hoses to axle motor.
5. Fill reservoir with hydraulic fluid as required (see Op-
erator’s Manual).
6. After assembly is completed, verify that hydraulic
hoses and fittings do not contact anything through full
range of axle pivot motion. Also, check for any leaks.
Hydraulic System