Arctic Cat DVX 250 2007, Руководство по обслуживанию

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3-33
3
KM373
7. Using a suitable holding fixture, tighten the
clutch nut to specifications.
Servicing Center
Crankcase Components
„
NOTE: Whenever a part is worn excessively,
cracked, damaged in any way, or out of tolerance,
replacement is necessary.
CRANKSHAFT ASSEMBLY
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 specifica-
tions.
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
connecting rod away from the dial indicator.
3. Maximum deflection must not exceed specifica-
tions.
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 be within specifica-
tions.
Measuring Connecting Rod
(Big End Width)
1. Using a calipers, measure the width of the con-
necting rod at the big-end bearing.
2. Acceptable width range must be within specifi-
cations.
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 crankshaft.
ATV-1074
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