Inspect Companion Flange/Flange Yokes; Remove Universal Joint Kit - PREVOST H3-41 Maintenance Manual

8. Inspect the end yoke cross holes for
distortion and damage.
5.1.1 Inspect Companion Flange/Flange
Yokes
1. Inspect all flange bolt hole threads or
through holes for damage. If the bolt hole
threads or through holes are damaged, the
flange must be replaced.
5.2 Inspect all flange faces for galling or
damage. If damaged, the flange must be
replaced.removal procedure for universal
joint kits
5.2.1

Remove universal joint kit

For Quick Disconnect Style: Remove
1.
spring tab bolts and discard, and remove
outboard bearing cap assemblies.
FIGURE 15: SPRING TAB BOLTS REMOVAL
2. Make sure
assembly is not tilted in the yoke. Place
bearing cup spacer onto the base of the
arbor press and under the yoke. If the arbor
is larger than the bearing cup diameter, a
smaller diameter push rod will be needed to
avoid damaging the yoke or bearing.
FIGURE 16: CORRECT POSITIONING
universal joints cross
PA1621 Maintenance Manual All Series | Revised May 2018
SECTION 09: PROPELLER SHAFT
FIGURE 17: INCORRECT POSITIONING
3. Using an arbor press, press down on the
upper bearing cup assembly until the
shoulder of the journal cross makes contact
with the inside of the yoke ear.
CAUTION
DO NOT over press the bearing cup and
journal cross. This can damage the inside of
the yoke ear.
FIGURE 18
4. The bearing cup is not designed to drop
out of the yoke. Move the partially pressed-
out bearing cup from side to side, to "walk"
the bearing cup out of the yoke ear. Remove
the bearing cup from the trunnion.
5. Place the yoke in the press, with the
remaining bearing cup face down. Using a
push rod, press on the end of the journal
cross trunnion. Continue to press down on
the journal cross trunnion until the shoulder
of the journal cross makes contact with the
inside of the yoke ear.
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