41
4. Reinstall the pulley, screwing the set screw to the shaft flat, without tightening.
5. Position this assembly back onto the shaker. Replace the two
HEX BOLTS &
WASHERS
with new hardware, without tightening.
6. Replace the belt. Adjust the
MOTOR PULLEY
height so that the belt is level relative to
the drive pulley. Tighten the set screw.
7. Adjust the belt tension by tightening the two
HEX BOLTS
.
8.8 Removing the Recirculating Fans
The qualified Service Engineer will:
1. Disconnect
the
POWER CORD
from the electrical outlet.
2. Open the door of the shaker.
3. Remove the five screws that secure the twin fan mounting assembly, setting them
aside for reuse.
4. Remove the wires from the twin fans.
WARNING!
Fan blades are extremely sharp and can cause serious injury.
Handle with EXTREME CARE!
5. Remove the twin fan mounting assembly.
8.9 Bearing Housing Replacement
The qualified Service Engineer will:
1. Set
the
ON/OFF POWER
SWITCH
to
OFF
and disconnect the
POWER
CORD
from the
electrical outlet.
2. Open the door of the shaker to gain access to the front panel. The door
must
be open
all the way.
3. Use a Phillips head (+) screwdriver to unscrew the three screws that attach the hinged
front panel to the housing. Gently lay down the front panel and set aside the screws
for reuse.
4. Unscrew the eight Phillips head (+) screws from the small panel on the left side of the
shaker.
5. Use
the
HEX KEY
to remove the four
HEX SCREWS
from the center of the shaker
platform. Set the platform aside.
6. Remove the four
NUTS
from the
STUD SCREWS
that secure the
BEARING HOUSING
.
7. Use
a
HEX WRENCH
to loosen the two
HEX BOLTS
on the
MOTOR MOUNTING PLATE
.
New Brunswick Scientific Co., Inc.
User’s Guide
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
