S0602170K
Page 65
Axle (ZF AP 420R)
5. Guide the complete internal gear over the
splines of the hub carrier. At the same time
pay attention to the overlapping of the oil
holes (hub carrier, internal gear carrier),
(see Arrows).
NOTE:
During these steps it is
absolutely necessary to respect
the centric location of the hub to
make a correct reassembly of
the internal gear - internal gear
carrier possible, and to avoid a
damage of the two O-rings.
6. Tighten slotted nut while continuously
turning of the hub.
NOTE:
Torque limit:
AP-407/409 = 800 - 1,000 Nm
(590 - 740 ft lb)
AP-411/415 = 1,300 - 1,500 Nm
(960 - 1,105 ft lb)
AP-417/420 = 2,000 - 2,200 Nm
(1,475 - 1,620 ft lb)
NOTE:
See “Special Tools” on page 15.
7. Install lock plate and secure slotted nut.
8. Assemble stub shaft until contact is
obtained.
Figure 127
Figure 128
Figure 129
Figure 130
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