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MAINTENANCE
FN20/FN14 NITRO 02/10 Maintenance Section 5-15
© 2010 Alamo Group Inc.
MAINTENANCE
8. Put the shaft yoke into the vise so the
bearing cups are square with the jaws of
the vise. Make sure the trunnion is aligned
with the baring cups. Tighten the vise until
both bearing cups are flush with the yoke.
Figure MntP-R-0141
9. Using the large driver used in disassembly,
drive one of the bearing cups into the yoke
until the groove for the snap ring can be
seen. Make sure the ear of the yoke is flat
against the bench. If the grease fitting in the
yoke is down, support the yoke on a block
to prevent damage to the grease fitting.
10. Make sure the groove for the snap ring is
clean. Install the snap ring. Use a
screwdriver to push the snap ring into the
groove all the way around.
11. Set the shaft yoke on the vise so the
shoulders of the cross are supported by the
jaws of the vise. DO NOT allow the
machined surfaces to contact the vis. Hit
the yoke with the hammer to seat the
bearing cup against the snap ring. DO NOT
hit the yoke near the opening for the
bearing cup. Figure MntP-R-0142
12. Repeat Step 9 - 11 for the other snap ring.
13. Repeat Steps 1 - 12 for the end yoke.
14. Wrap a shop cloth around the shaft to
protect the splines. Clamp the shaft in the
vise so the so that shaft yoke is up. The ball
in the shaft yoke has a flat area around
each end of the hole. The flat area is wider
on one side of the ball. Figure Mnt-R-0369
Rotate the ball so the wider flat area is up.
15. Rotate the center housing so the grease
fitting is away from the shaft yoke. This will
align the grease fitting the center housing
with the hole in the guards. The grease
fittings In the center housing and the cross
must be toward the same side of the
assembly. Make sure the pin of the center
plate in the center housing is clean. Install
the pin in the ball and cross in the ears of
the center housing. Figure MntP-R-0143
16. Make sure there is grease in the holes for
the bearing cups in the center housing.
Push the cross to one side of the yoke.