TM 5-3825-226-24
Differential and Bevel Gear
With Differential Lock (Cont.)
9.
Use the procedure that follows to check tooth
contact:
a.
Put a small amount of Prussian blue, red lead,
or paint on the bevel gear teeth.
b.
Turn the pinion shaft in both directions and
check the marks made on the bevel gear teeth.
c.
See the illustration for the marks of the correct
tooth contact.
10. If the marks on the bevel gear look like the marks in
Illustration A, use the procedure that follows:
a.
Remove some of shims (5).
b.
After some of the shims are removed, do Steps
6, 7 and 8 again.
c.
Check tooth contact again.
11. If the marks on the bevel gear look like the marks in
Illustration B, use the procedure that follows:
a.
Install more of shims (5).
b.
After more of the shims are installed, do Steps
6, 7, and 8 again.
NOTE: Several adjustments may be necessary before
the tooth contact is correct. Free movement (backlash)
must be correct before tooth contact can be checked.
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