45
New Brunswick Scientific Co., Inc.
User’s Guide
Symptom(s)
Probable Cause(s) & Solution(s)
Shaker is overloaded and/or you are using baffled flasks:
remove some contents & balance load.
Defective motor: call for service.
Shaker does not run at
set speed.
Drive belt out of alignment or worn: call for service.
Load out of balance: unload all contents, then reload.
Operating noise
Loose component(s) in platform, subplatform and/or drive
assembly: call for service.
Heater fuse blown: replace.
Compressor fuse blown: replace.
Compressor over-pressure switch activated: call for service.
Ambient temperature too high or too low: cool or heat the room
as needed.
Defective heater: call for service.
Defective refrigeration system: call for service.
Incubator does not
reach set temperature.
Incorrect temperature indication (
see below
).
Defective RTD assembly: call for service.
Incorrect temperature
indication.
Defective main board: call for service.
9.2
Replacement Parts
When ordering replacement parts, or requesting service information, please provide the
Model Number and Serial Number of your shaker. This information is on the
ELECTRICAL SPECIFICATION PLATE
, located on the rear panel of the unit. The Serial
Number is also labeled in the lower right corner of the front panel, below the chamber
door seal.
Part Description
Qty Req’d
NBS Part Number
8.0A Fuse (Motor)
1 (I-26)
2 (I-26R)
P0380-3790
15A Circuit Breaker
1
P0400-4305
120V 15A Power Cord
1
P0720-2024
220V Power Cord
1
P0720-2021
Poly-V Belt
1
P0700-7070
Gasket, Door
1
M1324-9508
Damper, Slam-Preventing (gas shock bracket)
2
P0640-0385
AC Connector, Power Entry
1
P0460-2205
Drive Assembly
1
M1324-5010
Belt Replacement Hardware:
Part Description
Qty Req’d
NBS Part Number
3/8-16 NC x 1¼-inch long flat head Allen
screw
3 S1127-3206