XY Powersports XY500UTV, Руководство по обслуживанию

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6. ENGINE REMOVAL; INSPECTION & INSTALLATION
6-45
Tooth Contact
● After adjusting the backlash, check the tooth contact
according to the following procedures:
● Remove drive and driven bevel gear shafts from
crankcase;
● Clean and degrease every tooh of drive and driven
bevel gear;
● Coat the driven bevel gear with machinist’s layout
dye or paste;
● Install drive and driven bevel gear;
● Rotate the driven bevel gear several turns in both
directions;
● Remove drive and driven bevel gear shafts and
check the coated teeth of the drive bevel gear;
● Refer to the illustration on the right for tooth contact
pattern
①
,
②
and
③
① Incorrect (contact at tooth top)
② Correct
③
Incorrect (contact at tooth bottom)
● If tooth contact is correct (Contact ② ), continue the
next procedure.
● If tooth contact is not correct (
②
and
③
), adjust the
thickness of the washer of drive bevel gear. Repeat
above steps to check tooth contact until it is correct.
Adjustment
Tooth Contact Washer Adjustment
Contact at tooth top ① Increase Thickness
Contact at tooth
bottom
③
Decrease Thickness
Note:
● After adjusting the tooth contact, the backlash
must be checked again;
● If the backlash is adjusted but tooth contact is
still out of specification, replace the drive and
driven bevel gears;
● Both tooth contact and backlash should be
within the required specification.
6