3-42
2. If backlash measurement is more than specified,
remove an existing shim, measure it, and install a
thicker shim.
NOTE: Continue to remove, measure, and install
until backlash measurement is within tolerance. Note
the following chart.
After backlash and tooth contact are within specifica-
tions, apply red Loctite #271 to the driveshaft threads and
driven output shaft threads; then using new nuts, tighten
the output shaft nut to 59 ft-lb and the output yoke nut to
74 ft-lb.
CRANKSHAFT ASSEMBLY
NOTE: The crankshaft and connecting rod is a
non-serviceable assembly. If any component is out of
specification, the assembly must be replaced.
Measuring Connecting Rod
(Small End Inside Diameter)
1. Insert a snap gauge into the upper connecting rod
small end bore; then remove the gauge and measure
it with micrometer.
CC290D
2. Maximum diameter must not exceed specifications.
Measuring Connecting Rod (Small
End Deflection)
1. Place the crankshaft on a set of V-blocks and mount a
dial indicator and base on the surface plate. Position
the indicator contact point against the center of the
connecting rod small end journal.
2. Zero the indicator and push the small end of the con-
necting rod away from the dial indicator.
3. Maximum deflection must not exceed specifications.
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.
CC289D
3. Acceptable gap range must not exceed specifica-
tions.
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.
ATV-1074
3. Zero the indicator and rotate the crankshaft slowly.
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.
Backlash Measurement
Shim Correction
Under 0.115 mm (0.005 in.)
Decrease Shim
Thickness
At 0.115-0.390 mm (0.005-0.015 in.)
No Correction Required
Over 0.390 mm (0.015 in.)
Increase Shim Thickness
CAUTION
Care should be taken to support the connecting rod
when rotating the crankshaft.
Summary of Contents for 2013 Prowler XT
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Page 233: ... Printed in U S A Trademarks of Arctic Cat Inc Thief River Falls MN 56701 p n 2259 530 ...