Series 900 Reducer Installation Maintenance 1994

Series 900 Reducer Installation Maintenance 1994
baldor electric company
p. o. box 2400 • fort smith, arkansas 72902-2400 u.s.a. • (479) 646-4711 • fax (479) 648-5792
reducer installation, maintenance and lubrication
baldor 900 series reducers will achieve
maximum performance and life, by following these
instructions.
installation
baldor 900 series reducers are ready for
installation as removed from the carton. These
reducers incorporate an integral expansion chamber,
which eliminates the traditional requirement for a
breather. Each reducer has been filled with Mobil
SHC634 synthetic lubricant at the factory. The oil
quantity is sufficient for any mounting position.
Mount the reducer on a flat surface, to assure proper
bolt tension and to prevent damage to the mounting
base.
When direct coupling the reducer to the driven
machine, carefully align the reducer output shaft to
the input shaft of the driven machine. These shafts
must be connected with a flexible coupling.
Power transmission components, such as sprockets,
gears, or sheaves, mounted on the reducer shafts
produce overhung loads. Mount these components
as close as possible to the reducer with the hub
facing outward. This mounting minimizes the load
on the reducer shaft and bearings and increases
life. Carefully align these components with their
counterparts on the driven machine.
INCORRECT
CORRECT
maintenance
baldor 900 series reducers require no
periodic maintenance. Visual inspection for leakage,
accumulation of dirt, and general operating condition
is recommended.
Accumulation of material on the reducer can lead to
overheating and reduced life.
lubrication
Oil changes are not required. Oil should only be
replaced when maintenance is performed that
requires disassembly. If the oil is replaced, use only
Mobil SHC634. This oil has long life and is suitable
for ambient temperatures as low as -10°F.
A packet of Fel-Pro C5-A Anti-Seize Lubricant is
supplied with the reducer. lubricate the motor shaft
and key with the anti-seize lubricant before installing
the motor onto the reducer.
mounting positions
For maximum seal life, the reducer should be
mounted with the input shaft as high as possible.
Mounting the reducer with the input seal
vertically down is not recommended. If a vertically
down input shaft position is required, consult the
factory.
operating environment
Baldor Reducers are designed to operate in ambient
temperatures of -10°F to 100°F. The oil sump
temperature of the reducer must not exceed 200°F.
Consult the factory for applications requiring ambient
operating temperature outside this range.
Baldor Speed Reducers are available in a Wash
Down version for those applications requiring
frequent cleaning or for those applications operating
in wet or humid conditions. Baldor Wash Down
Reducers incorporate white epoxy paint, stainless
steel output shafts and stainless steel hardware.
“c” flange – hollow bore worm style:
step #1. Position
key in reducer worm
bore. Apply anti-seize
compound to the motor
shaft. Line up the key
with the keyslot and slip
the motor shaft in the
reducer worm bore.
step 2. Tighten the
supplied 4 bolts with
lockwashers evenly
for a solid fit between
motor and “C” flange.
extended “c” flange with flexible coupling style:
step #1: Mount one coupling half on motor shaft so that the coupling half and end of key are flush with end of
motor shaft. (See Drawing A)
step #2: Tighten coupling setscrews. Thread locking compound is recommended on all coupling setscrews.
Measure distance from inner face of coupling to motor mounting surface. (See Drawing A)
step #3: Mount other coupling half on the reducer input shaft so the coupling end measures the same distance
to the mounting surface of the “C” flange. (See Drawing B) Tighten setscrews. Key should be flush
with shaft end. Use pipe plug opening in side of “C” flange to loosen, tighten or make any adjustments
in coupling position.
step #4:Align coupling halves and install motor.
step #5:Rotate motor to required position and tighten the supplied four bolts and lockwashers evenly for a
solid fit between motor and “C” flange. Re-install and tighten the pipe plug in the flange access hole.
Follow the lubrication directions.
"L"
"L"
M
O
T
O
R
Drawing A
© Baldor Electric Company
LT0066A01
Drawing B
Printed in U.S.A.
1/99 PRINTSHOP 5000
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