LF Kobalt TQ3126 Manuel page 21

troubleShootinG
problem
Pressure switch
continuously
blows air out the
unloader valve
Pressure switch
does not release
air when the unit
shuts off
Excessive
vibration
poSSible CauSe
Malfunctioning check valve
Malfunctioning unloader
valve on pressure switch
1. Loose fasteners on pump
or motor
2. Belt needs replaced
3. Belt alignment
CorreCtiVe aCtion
Replace the check valve if the unloader valve on
the pressure switch bleeds off constantly when
unit shuts off.
DanGer
risk of explosion. Do not
disassemble check valve with air
pressure in tank.
Replace the unloader valve if it does not release
the pressure for a short period of time when the
unit shuts off.
DanGer
risk of explosion. Do not
disassemble unloader valve with
air pressure in tank.
1. Tighten fasteners.
2. Replace with correct size.
3. Align flywheel and pulley.
21