Spicer Single Drive Axles Service Manual: S170, S190, S590 - Manual (Page 54)

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Wheel End Seal
b. Install the outer nut on the spindle and tighten
to 350 lbs. ft. (475 N•m).
c. Verify endplay.
Three-piece Tang-type Lock Washer System
a. Install the Tang-type lock washer on the spindle.
Never tighten the inner nut for alignment. This can preload
the bearing and cause premature failure.
b. Install the outer nut on the spindle and tighten to
250 lbs. ft. (339 N•m).
c. Verify endplay.
d. After verifying endplay, secure wheel nuts by
bending one of the locking washer tangs over
the outer wheel nut and another tang over the
inner wheel nut.
e. Go to step 12.
Four-piece Tang/Dowel-type Lock Washer System
a. Install the Dowel-type lock washer on the spindle.
Note: If the dowel pin and washer are not aligned, remove
washer, turn it over and reinst all. If required, loosen the
inner nut just enough for alignment.
Never tighten the inner nut for alignment. This can preload
the bearing and cause premature failure.
b. Install the Tang-type lock washer on the spindle.
c. Install the outer nut on the spindle and tighten to
250 lbs. ft. (339 N•m).
d. Verify endplay.
e. After verifying endplay, secure the outer nut by
bending (180° apart) two opposing tangs of the
locking washer over the outer nut.
12. Install the following:
• New gasket at axle shaft flange
• Axle shaft
• Axle flange nuts and tighten to specified torque
13. Lubricate axle wheel ends.
1
2
3
1 - Inner Nut
2 - Tang-type Lock Washer
0.123" (3.124 mm) thick
3 - Outer Nut
CAUTION
1
2
3
4
5
1 - Inner Nut
2 - Dowel Pin
3 - Dowel-type Lock Washer
4 - Tang-type Lock Washer
0.0478" (1.2065 mm) thick
5 - Outer Nut
IMPORTANT