Toro 500 EFI Service Manual page 73

Measuring Connecting Rod
(Big End Side-to-Side)
1. Push the lower end of the connecting rod to one side
of the crankshaft journal.
2. Using a feeler gauge, measure the gap between the
connecting rod and crankshaft journal.
3. Acceptable gap range must be within specifications.
Measuring Crankshaft (Runout)
1. Place the crankshaft on a set of V blocks.
2. Mount a dial indicator and base on the surface plate.
Position the indicator contact at point 1 of the crank-
shaft.
3. Zero the indicator and rotate the crankshaft slowly.
CAUTION
Care should be taken to support the connecting rod
when rotating the crankshaft.
4. Maximum runout must not exceed specifications.

NOTE: Proceed to check runout on the other end of
the crankshaft by positioning the indicator contact at
point 2 and following steps 3-4.
Measuring Crankshaft (Web-to-
Web)
1. Using a calipers, measure the distance from the out-
side edge of one web to the outside edge of the other
web.
2. Acceptable width range must be within specifica-
tions.
COUNTERSHAFT
When disassembling the countershaft, care must be
taken to note the direction each major component (dog,
CC289D
gear) faces. If a major component is installed facing the
wrong direction, transmission damage may occur and/
or the transmission will malfunction. In either case,
complete disassembly and assembly will be required.
Disassembling
1. Remove the reverse driven gear dog; then remove
the circlip securing the reverse driven gear.
H1-003A
2. Remove the splined washer; then remove the reverse
driven gear along with the bearing and bushing.
CAUTION
H1-006
FI663
FI664
71