Bauer Junior II-W - Troubleshooting

Instruction Manual  Junior II
29
4.5. TROUBLE-SHOOTING
Trouble Cause Remedy
Drive motor (electric)
Motor will not start Electric circuitry faulty Check all fuses, terminal connections,
wire leads, make sure that motor data
complies with mains supply
Motor/engine runs eccentrically V-belt worn Replace
Motor protection switch is switching
off the unit
Wrong adjustment of the motor pro
tection switch
Set to nominal motor current. Observe
temperature compensation (+20 °C
=1,0)
For ambient temperature
+ 10 °C : correction factor 0,94
+ 30 °C : correction factor 1,05
+ 40 °C : correction factor 1,12
Unsufficient voltage because of weak
power supply
Switch off other consuming devices
Motor protection switch is switching
off the unit
Power supply cable to long or to thin Use suitable cable
Drive motor (petrol)
Motor will not start See motor instructions See motor instructions
Motor runs eccentrically V-belt worn Replace
Motor stops Low oil level Top up oil
Drive system
Excessive v−belt wear (black depo-
sits on belt guard)
V-belt tension Re-tighten, see chapter 4.4.9.
Pulleys not aligned Re-adjust, see chapter 4.4.9.
Compressor
Compressor does not attain final pres
sure
Condensate drain valve(s) leaking Tighten and reseal
Final pressure safety valve defective
(blows too soon)
Replace safety valve
No cartridge in filter system P21 (air
escaping through cartridge safety bore)
Replace cartridge
Vent screw for final pressure safety
valve not in operating position
To vent, unscrew until completely open
Air delivery drops
Intake filter soiled Clean or replace filter cartridge
Pipe coupling leaking Retighten couplings
Excessive wear of 3rd stage piston Replace piston and sleeve of 3rd stage
Intermediate pressure safety valve
blows
Intermediate pressure too high because
of defective inlet or pressure valve of
the following stage
Check/replace inlet or pressure valve
Safety valve leaking Replace safety valve
Compressor overheats
Insufficient cooling air Check location; ensure proper cooling
air flow
Ambient temperature too high Check location; ambient temperature
max. +45 °C (113 °F)
Direction of rotation is wrong Correct direction of rotation
Inlet and pressure valve of one stage is
leaking
Check valves, clean/replace if necessary
Taste of oil in the air
TRIPLEX cartridge saturated Replace cartridge
Unqualified lubricant being used Replace oil with an approved brand