Examining The Bearing Components - Volvo 164, 1970 Service Manual

Fig.6-17. Removing the fro nt wheel hub
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103 132
2. Remove the grease cap with tool SYO 2715, see
Fig. 6-16. Remove the split pin and castle nut. Pull
off the hub w ith pu ll er SYO 2726, see Fig. 6-17.
If necessary p ull off the inner bearing from the
stub ax le with tool SYO 2722, see Fig . 6-18.
3. Remove the steering rod from the steering a'rm
with tool SYO 2294, see Fig . 6-19.
4. Slacken but do not remove the nuts for the ball
joints, knock on the axle with a ha mmer until the
ball joint pins loosen. Raise the lower wishbone
a little with the jack. Remove the nuts for the ball
joints and then the stub axle.
EXAMINING THE BEARING COMPONENTS
Clean the hub and grease cap thoroughly. Make sure
that all the old grease, even inside the hub,
IS
re -
moved. Compressed air can suitably be used for a
Fig.6-18. Removing the inner bearing
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101 989
Fig. 6-19. Removing the steering rod
comprehensive cleaning of the bearings. Then wash
the bearing components in wh ite spi rit and a llow
them to dry. , Drying by means of compressed air
should be avoided sin ce the air often contains water
and dust particles. Accessible bearing components are
dried with cotton or cloth rags (but not waste). A new
bearing taken directly from its packing container
should not be cleaned.
After the cleaning, inspect the parts.
If
the bearing
races or rollers are damaged, rusted or are blued,
replace the bearing . If the outer or inner ring is loose
in its seating, try a new ring. If the play does not
disappear, then the hub or shah must be replaced.
The sealing rings should be replaced if they are worn
or damaged.
For lubrication of the wheel bearings, use only a
high -class, durable grease for wheel bearings. A lubri-
cating unit should be used for effective greasing of
the wheel bearings. The instructions of the manu-
facturer of the unit should then be followed . If a
lubricating unit is not available, pack the bearings
manually with as much grease as possible between
the roller retainers and the inner race. Grease also
on the outside of the rollers and container. The
intermediate spaces in the hub between the outer
and inner bearing should be filled with grease, see
Groups 46 and 77. Before being fitted, the wheel hub
felt rings should be olied generously with, for ex-
ample, light engine oil.
FITTING
l.
Place the inner bearing in position in the hub and
press in the oil seal with tool SYO 2723 and
standard handle tool SVO 1801. See Fig. 6-20.
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