be used more than once.
Replace them with 5/16-
18 set screws with a knurled head and a nylon
locking patch on the side of the screw.
9. File any burrs on the motor shaft from the previous
set screws and dress up the keyway in the motor
shaft with a file.
10. Using a rubber or raw hide hammer, reinstall the
present wheel or install a new wheel onto the motor
shaft. Locate the wheel hub on the motor shaft to the
same dimension you took in
Step 3
on page 9.
DO NOT use a steel hammer. It can damage the
wheel and/or the motor bearings.
11. Line up the keyway in the motor shaft with the keyway
in the wheel hub.
12. Install a new 3/16” square shaft key into the keyway.
The key should be no longer than 1-1/2”. The key
should be positioned so it is flush with the end of the
wheel hub.
13. Spin the wheel by hand to make sure it is not rubbing
against the motor side of the blower housing.
14. Tighten the set screw over the shaft key first. Then
tighten the set screw onto the motor shaft. Both
screws should be tightened to 165 inch pounds.
15. Use a putty knife to clean the excess sealant caulk off
of the flanges on both blower housing halves.
16. Apply a fresh bead of silicone sealant to the housing
flange on the blower housing inlet side
(7)
.
17. Carefully reset the blower housing motor side
(4)
on
top of the blower housing inlet side
(7)
so that the
outside of the flanges and the discharges line up.
18. Look into the discharge to make sure the blower
wheel is not touching the inlet side of the blower
housing.
19. Reverse
Steps 5 through 1
, on page 9 to complete
reassembly.
E. Replacing the Motor
Before you attempt to replace the motor, make sure you have
the correct replacement motor in your possession. All dust
collector motors have the following characteristics:
a. All Models 33S through 200S have a 56C frame
with a C-Face mounting and a 5/8” shaft.
b. Model 300S has a 145TC frame with a C-Face
mounting and a 7/8” shaft.
c. All motors used in the U.S.A. and Canada are
3450 RPM.
d. All motors are Totally Enclosed (TEFC)
or
Explosion Proof (EXP).
NEVER
replace an EXP
motor with a TEFC motor.
e. The motor horsepower (HP) should match the HP
of the motor you are replacing
f. Make sure the new motor matches the operating
voltage, phase and hertz of the old motor.
To replace the motor, follow
Steps 1 through 8
.
This operation is best performed with the dust collector
sitting on top of the can or drum.
1. First complete
Steps 1 through 7
for
Cleaning the
Blower Wheel
, on page 9.
2. Now, complete Steps 3 through 8 for
Replacing the
Blower Wheel
, on page 9-10.
3. Before removing the motor, notice the location of the
motor conduit box with relation to the blower
housing.
4. With a 9/16” socket wrench, remove the four 3/8-
16UNC bolts that hold the motor onto the motor side
blower housing
(4)
.
5. Remove the old motor.
6. Install the new motor onto the blower housing with
the conduit box in the same orientation as noticed in
Step 3
above.
7. Replace or reinstall the four motor bolts and lock
washers through the blower housing and into the
four holes in the motor C-Face. Thread all bolts by
hand and then tighten them with the socket wrench.
8. Follow
Steps 10 through 19 for Replacing the
Blower Wheel
, at left, to complete the reassembly
of the dust collector.
F. Emptying the Can or Drum
NEVER ATTEMPT TO EMPTY A CAN OR
DRUM WHILE THE UNIT IS OPERATING.
Empty the dust collector can or drum when it becomes 1/3
full. If the can or drum becomes too full, it will reduce the
suction of the dust collector.
G. Emptying the Dust Bag
NEVER ATTEMPT TO EMPTY A DUST
BAG WHILE THE UNIT IS OPERATING
.
If you are collecting heavier chips, they will settle in the
can or drum. Finer, lighter dust will go on into the dust bag.
Therefore, the dust bag must also be emptied. The
National Fire Protection Association (NFPA) states in their
Standard 664, that wood dust in dust bags
MUST
be
emptied
“every day or less if warranted.”
They should
then be checked for holes, rips or loose seams that could
leak. Emptying of the dust bag should only be performed
by trained personnel wearing the proper clothing and the
proper respiration equipment. How often you should empty
the dust bag is really a judgment call. It will vary with the
weight of the material you are collecting. No matter what
you are collecting,
NEVER
let the bag get more than 1/4
full.
The major cause of having to replace dust bags is
due to ripping because of too much weight in the
bottom of the bag.
H. Cleaning the Dust Bag
NEVER ATTEMPT TO OPERATE A DUST COLLECTOR
WITHOUT THE DUST BAG IN PLACE.
WARNING:
If dust collector has been used to collect
ANY
materials
included in the following list, it should
NOT
be cleaned. The
dust bag must be disposed of using approved methods and
procedures as adopted by the proper regulatory agency or
agencies.
A.
Any carcinogenic or biological materials.
B.
Any flammable materials.
C.
Any explosive materials.
D.
Any water reactive materials.
E.
Any nuclear materials.
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