Toro 78477 Operator's Manual page 8

Installation
3. Lift carrier frame into vertical position, refer to:
Tilting the Mower.
4. Secure spring end plate assembly to carrier
frame with 3/8" x 7/8" (23 mm) shoulder bolt
and 3/8" locknut (Fig. 6).
3
Figure 6
1. Spring Assembly
2. Shoulder Bolt 3/8" x 7/8"
(22 mm)
6
1
2
3. Locknut 3/8"
5. Roll mower in front of traction unit.
6. Rotate PTO drive shaft so holes in universal
joint align with hole in gearbox shaft and slide
together (Fig. 7).
7. Drive roll pin through hole in universal joint to
secure PTO drive shaft to gearbox shaft (Fig. 7).
Note: Drive shaft and roll pin are part of
traction unit.
4
3
Figure 7
1. PTO Driveshaft
2. Universal Joint
1
2
3. Gearbox shaft
4. Roll Pin