Trouble Shooting - Walinga 510 Maintenance Manual

TROUBLE SHOOTING

The function of trouble shooting is to locate quickly and to correct the cause of faulty operation and failure
of equipment. No matter how well equipment is designed and manufactured, there may be times when
faults will develop and failures will occur during operation.
Whenever equipment fails to operate satisfactorily, the operator or repairman must be able to locate the
cause and correct the trouble as quickly as possible. The trouble chart below is provided to assist in
recognizing the cause of common faults and in correcting them quickly.
Problem
Knocking
Knocking in open and/or
closed position
Broken Shaft
Excessive Heating
Excessive heating or
motor overloading
Sudden motor overloading
Possible Causes
Unit out of time
Distortion due to improper
mounting or pipe strains
Excessive pressure differential
Worn timing gears caused by
improper lubrication or overloading
Worn bearings
Worn bearing cartridges
Excessive overhung load
Too much oil in gear case
Incorrect speed to pressure ratio
Gear case not properly vented
Clogged filter or muffler, incorrect
installation of checkvalves
Excessive line loss (Pressure)
Excessive pressure in the system
Blower Repair & Maintenance Manual #34-05198-6 v1.2 11.2014
Solution
Retime
Check mounting alignment and
relieve pipe strains
Check manufacturer's recommended
pressure, check relief valves
Replace timing gears
New bearings
Replace cartridges
Replace shaft and recheck drive for
overhung loads
Check oil level
Check ratio
Clean vents
Remove cause of obstruction
Check pressure differential directly
across blower
Check valves and line for plugging
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