Subaru 1600 Service Manual page 391

REAR WHEEL DRIVING SYSTEM (4WD MODEL)
TOOTH CONTACT PATTERN
Condition Contact pattern Adjustment
Correct tooth contact
Tooth contact pattern slightly
~~
shifted toward toe under no
load rotation.
(When loaded, contact pattern
moves toward heel.)
-
Face contact
Backlash is too large.
~
..
~
~
E
-
This may cause noise and chip· Increase thickness of drive pinion height
ping at tooth ends. adjusting washer in order to bring drive pinion
closer to drive gear center.
Flank contact
Backlash is too small.
41
.. ~
y
0
This may cause noise and Reduce thickness of drive pinion height
stepped wear on surfaces.
adjusting washer in order to move drive pinion
away from drive gear.
Toe contact
4/
..
~
~
0
Contact area is small.
Adjust as for flank cOfltact.
This may cause chipping at
toe ends.
Heel contact
$
.. q
:&
0
-
Contact area is small.
Adjust as for face contact.
This may cause chipping at
heel ends.
Fig. 8·41
A13·164
8-14
,;a-~,;:-t",,"·i--=-;.!j
,,-.-,- ....
I,tJ· ...
,I.~--I
..
~Vfl""
...............
~
' .......
tI ... • .... • - -.....
,1",
1 ....... ' ,,.._' , ... , • .-..., ....
' i o--.---___ . . . __
"' I TF ..... 'll.I ... __ ...
~
_ _ ... 15 _ _ _ _ _ - _ _ _ - _ _ _ _ _ _ ..