201
When brake pedal is used in P position that the system working
Failure
code
FAILURE
DESCRIPTI
ON
REASON FOR FAILURE
REPAIRING AND MAINTINANCE
PROCEDURES
Snap ring chins for compressor piston’s
keep together in the same axle.
Cylinder sleeve remove from side to sump and
then snap rings reassembly again 120°
Compressor pressure line is blokcaged
with outside effects.
Cylinder head remove and pressure line is to
be cleaned and repair kit is to be changed.
Compressor suction line blockage with
outside pollutant.
Cylinder head remove and pressure line is to
be cleaned and repair kit is to be changed.
Compressor cylinder sleeve,piston and
snapring threefold have wearing or
scoring.
Cylinder sleeve,piston and snap ring threefold
have to be changed.
FK F 10
Compressor
does not
produce
enough
pressurized air
Compressor crank pulley belt has not
enough tightness.Compressor does not
rotate proper revolution.
Check compressor crank pulley belt tension.
Returning oil does not enough.
Returning circuit should check out.If that needs
system is to be cleaned properly.
Engine oil level is too high. Check the oil level.
Compressor pressure line cross sectional
area has restriction.Pumping air to
pressure line is less than normal
condition.
Check the pressure line,If it needs it clean the
system
FK F 20
Compressor
gives out oil to
system.
Compressor snap rings completed its
working life and have wearing.
Change compressor snap rings.If wearing is
tto high.Change cylinder sleeve,piston and
piston rings threehold.
Crank bearing has high spacing that the
reason excessive of belt tightness.
Check the tightness of belt and change
compressor bearing cover repair kit.
FK F 30
Compressor
crank bearing
gives out
noise.
Wearing caused by poor lubricating. Check lubricating system.
Crank oil seal is damaged caused by
excessive of oil pressure.
Change compressor bearing cover reparing
kit.
FK F 40
Compressor
has oil leakage
from behind
pulley.
İncreasing pressure in returning pipe
caused by restriction of cross sectional
area of pipe and damaged crank oil seal.
Failure
code
FAILURE
DESCRIPTI
ON
REASON FOR FAILURE
REPAIRING AND MAINTINANCE
PROCEDURES
Cartridge did not change on time. Change cartridge.
FK 0601
Air pressure
system
contains vapor.
12 V heater has a failure. Change heater.
Valve’s set pressure was changed. Set valve unit in test unit.
Relief valves have a pollution with
external effected.
Change valve repair kit and to set again.
System have external leakages.
Meausure leakage values and provide the
components sealing.
Changing cartridge does not use orginal
filter.
Use orginal filter.
FK 0602
Air is not
stored in set
pressure. ( 8.1
Bar ± 0.2)
System equipments have failure caused
by compressor does not maintain properly
on time and compressor loose its
functions.
Maintain the compressor properly.Solve the
failure and change repair kit.
52. Air Brake System
Model
A90 – A100 – A110
Page
4
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