Linhai ATV 500-D T3 EFI, Service Manual

Page: 121 / 291

CHAPTER 3 ENGINE
LH500ATV-D T3 EFI SERVICE MANUA 19.0
CHAPTER 3 ENGINE PAGE. 3- 88
Tooth Contact Washer Adjustment
Contact at tooth top ① Increase Thickness
Contact at tooth
bottom
③
Decrease Thickness
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
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.