Bendix Commercial Vehicle Systems C-300N HYDRAULIC POWER STEERING1/99 - Manual (Page 31)

31
TROUBLESHOOTING CHART
SYMPTOM CAUSE REMEDY
7. Power steering stiff 1. Restricted hose. 1. Replace incorrect or
when turning steering unserviceable hoses.
wheel quickly. 2. Incorrect hose size. 2. Replace incorrect or
unserviceable hoses.
3. Faulty operation of hydraulic pump. 3. Check pump to performance
specifications. Overhaul by
authorized workshop.
4. Internal leakage in power steering 4. Verify by test; repair if necessary.
gear.
8. Power steering does not 1. Low tire pressure. 1. Inflate tires to correct pressure.
return correctly. 2. Front axle assembly deformed as a 2. Lubricate front axle assembly.
result of accident or breakdown in Check for damaged or worn parts.
the rotary valve unit.
3. Bind in intermediate shafts. 3. Determine cause and correct.
4. Lower steering gear parts deformed 4. Replace the piston and spindle
as a result of accident or breakdown assembly.
in the rotary valve unit.
9. Power steering operates 1. Reservoir oil level low. 1. Fill up to level.
but with noise, 2. Piping contacting part of the body- 2. Space pipe from bodywork, if not
turbulence or vibration work, causing vibrations (particularly possible, insulate with a rubber
the pressure feed line). spacer.
3. Unsuitable oil. 3. Drain oil and fill up with
recommended grade.
4. Oil reservoir filter blocked. 4. Replace filter.
5. Power steering pump. 5. Repair or replace.
BW2600 © 2002 Bendix Commercial Vehicle Systems LLC All rights reserved. 3/2002 Printed in U.S.A.