Junior II WT
Page 18 1st ed. Rev 0 Chg 3
BAUER
COMPRESSORS
3.4.2 Troubleshooting Tables
3.4.2.1 Electric Motor
TROUBLE CAUSE REMEDY
Motor will not start Electric circuitry faulty
Check all fuses, terminal connec-
tions, wire leads, make sure that
motor data complies with mains
supply.
Motor runs eccentrically V-belt worn Replace V-belt
Motor protection switch turns
unit off
Insufficient voltage because of a
weak power supply.
Switch off other power consum-
ing devices.
Power supply cable to long or too
small in diameter
Replace with suitable cable
3.4.2.2 Gasoline Engine
TROUBLE CAUSE REMEDY
Engine will not start See engine instruction See engine instructions
Engine runs eccentrically V-belt worn Replace V-belt
Excessive V-belt wear
V-belt tension incorrect Retighten
Pulleys not aligned Readjust
3.4.2.3 Compressor Block
TROUBLE CAUSE REMEDY
Compressor does not attain final
pressure.
Condensate drain valve(s) leak-
ing
Tighten and reseal.
Final pressure safety valve
defective (blows to soon)
Replace safety valve
No cartridge in P21 Filter sys-
tem. (air escaping through the
cartridge safety bore.)
Replace cartridge
Vent screw for final pressure
safety valve not in operating
position.
To vent, unscrew until com-
pletely open.
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