CRL 64” BELT SANDER
MODEL BM64B FOR 102 x 1625mm SANDING BELTS
crlaurence.com
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4.6 Upper Pulley Shaft Assembly
UPPER PULLEY, SHAFT AND BEARINGS
For ease of maintenance and durability, the Top Pulley Assembly is supplied as a one-piece assembly. Replacing the
bearings or shaft alone requires a press and an experienced operator. Because the top crowned pulley itself, and the bearings are
some of the few parts of the BM64B that may need replacement, they are sold as unit assemblies.
These assemblies can be replaced quickly with simple hand tools by following the instructions on
Page 7
of this manual.
Assistance with any maintenance operation on the BM64B is avaliable by calling the C.R. Laurence at (800) 421-6144.
5.0 REFERENCE PHOTOS
5.1 Photos To Illustrate Maintenance Operations
8
Photo 1.
Water valve "L" controls the flow to
the spray tube "M". The Spray tube can be
adjusted by loosening the set screw "K".
Photo 2.
2 Square Head Screws "C"
holding the Upper Pulley Shaft "J".
Loosen these to remove the Upper Pulley
Assembly.
Photo 3.
Measure Pulley to tank distance
"D" before removing Lower Pulley.
Photo 4.
Loosen two set screws on the
Lower Pulley with a 5/32" Hex/Allen
wrench. Holes in the Pulley "E" line up
with the two set screws.
Photo 5.
Vertical frame member "N" is
the water reservoir. Shut off valve ("L" in
photo 1) at bottom and fill with clean
water.
