
Rev. Date: 12/14/10
Page 21
MODEL #5200-P
improperly, damage to seals will result and put undue stress on agitator motor. This causes
overheating and poor production. Seal should be bent backward to allow for a
clockwise
rotation
of rotor.
5. As rotor plate is installed, press bottom tab of seal under adjacent seal with flat blade screw-
driver. (See illustration 12 on page 20)
Chain:
(Adjustment) (#50 Nickel Plated)
A smooth operating chain drive should have a slight sag on the idler side of the chain. New chains
should be installed under slight tension as they will elongate a small amount due to seating of pins and
bushings during the first few days of operation. Chain should be kept in good condition by proper
lubrication (use dry film lubricant Dow 321) and occasional cleaning. Soaking chain in container of 10
weight oil will provide for internal lubrication of pins and bushings. However, excess oil must be
drained and wiped away as excessive lubrication will cause fiber accumulation on chain. Worn out
chain should be replaced. When chain is replaced, worn sprockets should also be replaced,
preventing further damage to new chain.
Sprockets:
Check Sprockets For Wear.
Misalignment and/or loose sprockets and improper chain tension
causes the premature wear of chain and sprockets. All sprockets, except speed reducer and idler
sprockets, have been secured with a medium grade Loctite (general purpose thread locker), to prevent
gradual movement. The set screws and key are also inserted with a medium grade Loctite. If sprocket
is difficult to remove, it may be heated with a propane torch to loosen.
Caution:
Do not overheat sprocket or damage to bearing will result. A pulley or bearing puller
can then be used to remove the sprocket and key. Replace new sprocket on shaft with key and
medium grade Loctite applied to shaft. Align sprocket with corresponding sprocket, using a
straightedge placed along face of teeth and tighten set screws.
Bearings:
Agitator Bearings in hopper are double-sealed, self aligning ball bearings. They have grease fittings
and should be periodically lubricated. At least every 3 months. If bearings produce noise or heat
(too-
hot-to-touch)
, the bearings should be replaced.
Agitator Bearing Replacement:
Spray area with rust penetrant (WD-40). Remove sprocket (See SPROCKET section above).
Remove the four bolts from bearing flange. Loosen set screws on bearing hub at each end of agitator
shaft. Since all set screws are installed with a medium grade Loctite, a propane torch may be used to
assist in removing them. Do not overheat unit, causing shaft to expand. Using a rubber mallet, drive
agitator shaft an inch in one direction, creating a space between hopper and bearing unit. A bearing
puller can then be used to remove the bearing. Eliminate any metal burrs from shaft with file and install
new bearings with felt seals. Use a medium grade Loctite on set screws before securing bearing to
shaft. (Check shaft diameter before ordering bearings)
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