41
Innova 4200
•
M1233-0053
User’s Guide
9.4
Removing the Recirculating Fan
WARNING!
Only a qualified Service Engineer may perform this procedure.
1. Disconnect
the
POWER CORD
from the electrical outlet.
2. Open the door of the shaker and remove all shelving.
3. Unscrew the three screws that secure the fan mounting plate assembly.
4. Remove the wires from the fan.
WARNING!
Fan blades are extremely sharp and can cause serious injury. Handle with
EXTREME CARE!
5. Remove the fan mounting plate assembly.
9.5
Bearing Housing Replacement
WARNING!
Only a qualified Service Engineer may perform this procedure.
1. Set
the
ON/OFF POWER
Switch to
OFF
.
2. Disconnect
the
POWER
CORD
from the electrical outlet.
3. Before you can gain access to the front panel, open the door of the shaker. The door
must
be open all the way.
4. 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.
5. Unscrew the eight Phillips (+) head screws from the small panel on the left side of the
shaker (
see Figure 3
).
6. Remove all shelving from the inside of the shaker.
7. Use
the
HEX KEY
and remove the four
HEX SCREWS
from the center of the shaker
platform. Set platform aside.
8. Remove the four
NUTS
that are on the
STUD SCREWS
securing the
BEARING
HOUSING
(
see Figure 15 below
).
9. Use
a
HEX WRENCH
to loosen the two
HEX NUTS
on the
MOTOR MOUNTING PLATE
.
Figure 15: Bearing Housing Replacement
Summary of Contents for innOva 4200
Page 2: ...2 New Brunswick Scientific User s Guide...
Page 57: ...57 Innova 4200 M1233 0053 User s Guide Figure 21 Electrical Schematic Quadrant A...
Page 58: ...58 New Brunswick Scientific User s Guide Figure 22 Electrical Schematic Quadrant B...
Page 59: ...59 Innova 4200 M1233 0053 User s Guide Figure 23 Electrical Schematic Quadrant C...
Page 60: ...60 New Brunswick Scientific User s Guide Figure 24 Electrical Schematic Quadrant D...
Page 66: ...66 New Brunswick Scientific User s Guide Figure 30 100V Power Schematic Overview...
Page 67: ...67 Innova 4200 M1233 0053 User s Guide Figure 31 100V Power Schematic Quadrant A...
Page 68: ...68 New Brunswick Scientific User s Guide Figure 32 100V Power Schematic Quadrant B...
Page 69: ...69 Innova 4200 M1233 0053 User s Guide Figure 33 100V Power Schematic Quadrant C...
Page 70: ...70 New Brunswick Scientific User s Guide Figure 34 100V Power Schematic Quadrant D...
