Kruger CSD Series Instruction manual

General Instructions
Direct Driven In-line Fan
CSD-CCE-CF B Series
IGB012.E4/1908

This manual is to guide the users in the proper storage, installation, operation and maintenance procedures
to ensure maximum equipment life and trouble-free operation. HANDLING AND MAINTENANCE SHOULD
ALWAYS BE PERFORMED BY EXPERIENCED AND TRAINED PERSONNEL.
RECEIVING, HANDLING AND STORAGE
Rough handling during shipment and improper storage can cause damage that is not noticeable until the fan
is in operation. This can be avoided with proper storage and handling techniques.
Touch up the scratch coated surfaces during lifting, to prevent corrosion to occur at this area. Store the fan in
a clean and dry place, preferably indoor to ensure fan shaft, bearing and fan casing are protected against
dust and corrosion. Do not store the fan in a location where it will be subjected to high vibration.
START-UP CHECK LIST
Before putting any fan into initial operation the manufacturer’s instruction must be followed. Complete the
following checklist to make sure that the fan is ready to run.
Lock out the primary and all secondary power sources.
Make sure the foundation or mounting arrangement and the duct
connections are adequately designed in accordance with recognized
acceptable engineering practices.
Ensure that all fasteners, particularly impeller fasteners are tight prior to
start-up.
Check and tighten all hold-down (securing) bolts.
Spin impeller to see whether it rotates freely and is not grossly out of
balance.
Inspect impeller for correct rotation for the fan design.
Connect the fan according to the wiring diagram affix to the fan.
Check that the voltage of the electrical supply according to that shown on
the fan label.
Switch on the electrical supply and allow the fan to reach full speed.
Check carefully for :- (1) Excessive vibration
(2) Unusual noise
(3) electrical input (ampere & voltage does not exceed
that shown on the fan)
If any problem is indicated, SWITCH OFF IMMEDIATELY. Lock out the
electrical supply, secure the fan impeller if there is a potential for wind
milling. (impeller turning due to a draft through the system).
Check carefully the cause and correct as required.
The fan may now be put into operation but during the first 8 hrs of running, it should be periodically
observed and checked for excessive vibration and noise. Check the motor input current and motor
temperature to ensure that they do not exceed manufacturer’s recommendation. After 8 hrs of operation, the
fan should be shut down to check that all set screws and hold-down bolts are securely tightened.
* Note: Using the fan outside the specified limit could result in dangerous situations not evaluated and not
considered to be the responsibility of the manufacturer.

Application Example
Installation Method
AIR DUCT.
AIR FLOW.
FLEXIBLE CONNECTION.
FLANGE CONNECTION.
AIR DUCT.
FAN SUPPORT
AIR DUCT.
AIR FLOW.
FLEXIBLE CONNECTION.
FLANGE CONNECTION.
AIR DUCT.
BRACKET
AIR DUCT.
AIR DUCT.
AIR DUCT.
AIR DUCT. FLANGE
CONNECTIONS
BRACKET
CONNECTION.
FLEXIBLE
Fig.3
Fig.2
Fig.1

ROUTINE MAINTENANCE
Maintenance should always be performed by experienced and trained personnel. Do not attempt any
maintenance on a fan unless the electrical supply has been locked out or tagged out and the impeller has
been secured.
Under normal circumstances, handling clean air, the system should require cleaning only about a Year.
However, the fan and system should be checked at regular intervals to detect any unusual accumulation.
The fan impeller sh.ould be specially checked for build-up of material or dirt which may cause an Imbalance
with resulting undue wear on bearings and belt drives. A regular maintenance program Should be established
as needed to prevent material build-up.
Periodic inspection of the rotating assembly must be made to detect any indication of weakening of the rotor
because of corrosion, erosion, or metal fatigue.

K R U G E R
G R O U P ( V E N T I L A T I O N )
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