S0602170K
Page 87
Axle (ZF AP 420R)
4. Attach dial indicator on the plane face /
crown wheel, make at least one revolution
of the crown wheel and record the run-out.
NOTE:
Admitted run-out max. 0.08 mm
(0.0031 in).
NOTE:
See “Special Tools” on page 15.
5. Check contact pattern on the crown wheel.
A. Cover some tooth flanks of the crown
wheel with gear marking compound.
B. Roll the crown wheel over the drive
pinion back and forth.
C. Check the contact pattern and
compare it with “Examples of Gear-
tooth-contact Patterns for the
Gleason Gear-tooth System” on
page 11.
D. In case of a greater contact pattern
deviation a spacing error has been
made during the reassembly of the
drive pinion which must be corrected.
E. Lock the two adjusting nuts using roll
pins, resp. cotter pins (according to
the version).
F. Secure hex. head screws of the
bearing cap fastening against getting
loose using lock wire (ø 1.6 mm
(0.0630 in)).
NOTE:
See “Special Tools” on page 15.
Figure 189
Figure 190
Figure 191
Figure 192