TRANSMISSION
GEAR TOOTH CONTACT PATTERN
CHECK
Remove the drive and driven gears (pages 13-5 and
, 3-9).
Apply Prussian Blue to the driven gear teeth.
Install the drive and driven gears with the standard
shims.
Rotate the drive gear several times in the normal
direction of rotation.
Check the gear tooth contact pattern after removing
the drive gear.
Contact is rlOf'rnal if Prussian Blue in transfered
to the approximate center of each tooth and slightly
to the side.
DRIVEN
GEAR/SHAFT
SHIMS
r'~--COUNTERSHAFT
FACEj
~ TOE~EEL
1
-
DRIVE
COAST ....
FLANK,
SlOE
SIDE
If the pattern is not correct, remove and replace the
drjven gear adjustment shim.
Replace the shim with a thinner one if the contact
pattern is too high.
13-14
TOO HIGH:
FACE
c~t