Toro 520XI Service Manual page 36

CHASSIS
DRIVE SHAFT (cont'd)
5. Install the drive shaft to the rear flange by
sliding the long head spacers over the bolts.
Torque the nuts to 170 - 220 in·lbs
(231 - 299 N·m).
22
6. Align the bolt holes in the tall headed
spacers (C) in the front flexible coupling with
the bolt holes in the flange and slide flange
on shaft up to the spacers. Install the nuts,
bolts, and washers. Washer and bolt head
are against flexible coupling; nut is on back
side of flange. Then torque the bolts to
170 - 220 in·lbs (231 - 299 N·m).
7. Torque the two set screws(A) and (B) to
120 - 160 in·lbs (163 - 217 N·m).
The flex coupling should be deformed no
more than 1/8" out of flat.
Rotate the drive shaft, and check for excessive
run out which can cause vibration.
2 - 24
2.0144.094
2.0144.077
2.0144.094
5xi Series Tractor Service Manual