Dover DESTACO Automating Tomorrow P Series Manuel d'entretien - Page 5
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B. Remove the main housing screws. These
hold the upper and lower housings
together.
C. Remove all bearings cartridge capscrews
on the upper (smaller part) housing half.
D. Loosen the bearing cartridge capscrews on
the lower half.
E. Remove the upper housing section. Lightly
tap on the upper housing to aid in loosening
and removal.
F . Retighten bearing cartridge capscrews and
rotate the input shaft with a handwheel and
inspect all parts for wear or damage.
Fig.1 Top housing removed.
NOTE:
1) Radial follower looseness should not
exceed .001.
2) Endplay (lack of preload) in input or output
shaft is not permissible.
Fig.2 Checking radial looseness.
4. CAM FOLLOWER INSPECTION AND
REPLACEMENT
If necessary, the cam followers can be replaced at
this stage without removing the input or output shaft
but you may find it necessary to remove the shafts
for ease of replacement. If so, see removal of input
and output shafts. The following steps should be
followed in either case.
A. Apply heat to the setscrews holding the
follower studs. They are secured with
Loctite. Remove the screws while they are
still warm.
B. Gently tap follower stud toward center of
indexer.
CAUTION! Be sure that the loose needles within the
follower do not fall into the unit.
C. Install new followers holding a complete
follower assembly in place. Drive the
follower stud through two flanges and
follower assembly, driving out the rubber
plug.
Install the stud from the center of the
follower wheel so that the screw notch does
not score the precision follower bores.
Be sure that the setscrews using the
recommended Loc-tite product. (See Torque
section of General Service Manual.)
Fig.3 Installing pin from center of wheel.
5. REMOVE INPUT SHAFT
A. Remove the input bearing cartridge
capscrews and gently tap the end of the
input shaft until the cartridge flange is
separated from the housing enough to
gently pry or pull the cartridge off. If desired,
tapped holes may be added to the flange
portion of the cartridge for jacking screws.
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P Series
Service Manual