Toro Greensmaster eFlex 1021 Service Manual page 209

Servicing the Gearbox Assembly (continued)
Greensmaster ® eFlex 1021
20248SL Rev C
Note: Refer to Figure 125
1. Remove the drain/fill plug and drain the oil from the gearbox, and drain the oil.
2. Remove the 4 socket-head screws and separate the gearbox cover and
housing. Remove and discard the cover gasket.
3. Remove the thrust washer, sun gear, ring gear, and planet gears from the
pins on the gearbox housing.
4. Continue to disassemble the gearbox as necessary.
Use the large 34.9 mm (1-3/8 inch) flats on the drive shaft to prevent
it from rotating when removing or installing the drive adapter.
Do Not use the 12.7 mm (1/2 inch) hex head of the drive shaft when
removing or installing the drive adapter—drive shaft damage may
occur.
5. If the drive adapter requires replacement, apply medium strength thread
locking compound (Loctite 243 or equivalent) to the internal threads of the
groomer gearbox drive shaft. Allow the thread locking compound to cure for
15 minutes before continuing this procedure.
Note: A special tool is available to hold the drive shaft if necessary; refer to
Special Tools (page
6. Torque the drive adapter to 150 to 163 N∙m (110 to 120 ft-lb). Allow the
thread locking compound to cure for 15 minutes before continuing this
procedure.
7. Carefully clean all the gasket material from the gearbox housing and cover.
8. Inspect the V-ring, seals, bearings, gears, and bushings in the gearbox
assembly. Replace the damaged or worn components as necessary.
9. If the bearings for the sun gear, ring gear, or the gearbox housing are
replaced, press the bearing all the way to shoulder of the bore.
10. If the flange bushings are replaced, ensure that the flange bushing is fully
seated against the part.
11. Assembly the gearbox.
• Ensure that all the retaining rings and O-rings are fully seated in the ring
groove during assembly.
• Lubricate the seal lips and O-rings before installing the shafts.
• Lubricate the planet gear and sun gear pins in the gearbox housing with
the gear oil prior to installing the gears.
12. Clean the gasket surface on the gearbox housing and cover with the solvent
and install new gasket.
13. Ensure that the trust washer is assembled to the pin that supports the ring
gear and sun gear, and the washer is located between the sun-gear bearing
and the gearbox cover.
14. Fit the gearbox cover over dowel pins and install the 4 socket-head screws.
Tighten the screws from 1.7 to 4.5 N∙m (15 to 40 in-lb). In an alternating
cross pattern, torque the screws from 8.4 to 9.6 N∙m (75 to 85 in-lb).
during this procedure.
CAUTION
2–13).
Page 8–11 Universal Groomer (Optional): Service and Repairs