
23(24)
7.6.
Troubleshooting
1.1
Badly or wrongly connected
hydraulic hoses, or fault in
loader valve
Check hose connectors and operation of
hydraulic valve.
1.2
Excessive
compressed
air
pressure
Release pressure by using a pneumatic tool
or with manual drain valve.
Make sure that oil pressure and flow input
are within specifications.
1
Compressor
will not run,
even
when
loader
is
running with
auxiliary
hydraulics
turned on
1.3
Fault in hydraulic system of
compressor
Make sure that there are no leaks. Contact
service.
Release pressure by using a pneumatic tool
or by opening manual drain valve.
2
Compressor
starts hardly
2.1
Excessive
compressed
air
pressure
Check stopping system components.
3.1
Faulty safety valve or wrong
setting
Check condition and setting of safety valve.
Replace if necessary.
Make sure that oil pressure and flow input
are within specifications. Adjust as needed.
3.2
Fault in hydraulic system
Check the condition of hydraulic motor and
possibility of internal leaks. Contact service to
check or repair hydraulic motor.
3
Air pressure
does
not
reach
set
level
3.3
Clogged air filter or intake
manifold
Check, clean and/or replace.
4.1.
Air connector damaged or tool
failure
Check and fix possible fault.
4.2
Speed control damaged or
adjusted incorrectly
Contact service.
4
Compressor
does
not
create
pressure
4.3
Clogged air filter or intake
manifold
Check, clean and/or replace.
5.1
Wrong type of oil
Use oil suitable for operating conditions.
5
Excessive oil
consumption
5.2
Worn piston rings
Check and fix possible fault.
6.1
Dirty compressor block, clogged
cooling fan grill
Check and clean.
6.2
High ambient temperature
Extra
cooling
must
be
arranged
for
compressor.
6.3
Low oil level
Add oil to specified marker.
6
Compressor
overheats
6.4
Overheating hydraulic oil heats
compressor
Allow hydraulic system to cool before
continuing. Check operation and condition of
loader oil cooler.