Table of Contents
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CT SERIES
SYMPTOMS
Flywheel rotation in wrong direction
Overheating of bearings
Flywheel rotation slows down
Severe vibration
Abnormal noise
Pressure cannot be built up or only up
to a certain extent
Inaccuracy of pressure gauge
Excessive oil consumption
Slipping of belts
Overheating of electric motors
Unit will not start
Fuse tends to blow
TROUBLESHOOTING
CAUSES
1.
Incorrect connection of motor
terminal.
1.
Insufficient lubrication.
2.
Bad lubrication system.
3.
Crankshaft bearings to tight.
4.
Belts too tight
1.
Heavy lubrication oil.
2.
Drop in voltage.
3.
Belts slipping.
1.
Bent crankshaft
2.
Loose belts
3.
Unit is not level
1.
Loose valve assembly.
2.
Piston hits cylinder cover.
3.
Worn connecting rod.
1.
Worn valve plate.
2.
Dirt on the valve plate.
3.
Leaks from safety valve.
4.
Leaks from bolt holes.
5.
Uneven valve seat surface.
6.
Excessive blow by on piston rings.
7.
Bad packing (gasket too thick).
8.
Excessive air leaks.
1.
Pressure gauge damaged.
1.
Worn piston ring
2.
Worn piston.
3.
Worn cylinder
4.
Wrong oil
5.
Dirty filter
1.
Working pressure too high.
2.
Improper belt tension.
3.
Worn belt.
1.
Overloading of motor due to
excessive working pressure (higher
than stipulated pressure).
2.
Burnt piston.
3.
Burnt bearing metals.
4.
Drop of voltage or low voltage
5.
Loose connections
1.
Breakdown of electric current.
2.
Line failure.
3.
Malfunction of motor
1.
Incorrect size.
2.
Wrong connections
3.
Overloading of motor.
4.
Overloading of motor due to leaks of
check valve.
PAGE 25
REMEDIES
1.
Re-arrange terminal connection.
1.
Add lubrication oil.
2.
Examine the system.
3.
Readjust load on bearings.
4.
Adjust belt tension
1.
Refill with lighter lubrication oil.
2.
Contact power company or install a
transformer.
3.
Tighten belts
1. Remove & Replace
2. Adjust belt tension
3. Level unit
1.
Tighten valve bolt and lock nut.
2.
Check piston & rod assembly for
excessive wear.
1.
Repair or replace valve plate.
2.
Remove and clean it.
3.
Repair or replace safety valve.
4.
Tighten the nuts even with packing.
5.
Remove and lap the surface.
6.
Replace with new ones
7.
Replace packing (gasket).
8.
Eliminate air leaks.
1. Replace.
1.
Replace.
2.
Replace.
3.
Replace.
4.
Replace with correct oil.
5.
Replace
1.
Lower working pressure.
2.
Adjust belt tension.
3.
Replace with new ones.
1.
Lower working pressure.
2.
Rebuild compressor.
3.
Rebuild compressor.
4.
Contact power company or install a
transformer
5.
Inspect and tighten connections.
1.
Contact power company.
2.
Examine the line. Replace with new
wiring. (See page 24)
3.
Contact motor manufacturer.
1.
Replace with correct size.
2.
Change connections.
3.
Eliminate the loading.
4.
Remove and repair check valve.
CAP 410
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