Troubleshooting - Bauer Junior II-B-F01 Instruction Manual

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