1I13
TABLE VI-III. HYDRAULIC SYSTEM TROUBLESHOOTING (cont)
Landing gear retraction
§ Hydraulic Fluid in
§ Fill reservoir with
extremely slow.
reservoir below
hydraulic fluid.
operating level.
§ Restriction in hydraulic
§ Isolate and check
lines.
hydraulic lines.
§ Shuttle valve sticking
§ Check cause.
in pump base.
Pump stops during gear
§ Landing gear actuator
§ Reset circuit breaker
retraction.
circuit breaker opens.
and determine cause
for overload.
§ Landing gear selector
§ Reset circuit breaker
circuit breaker opens.
and determine cause
for overload.
§ Pressure switch out
§ Remove and readjust
of adjustment
or replace switch.
§ Mechanical restriction
§ Place airplane on jacks
or obstruction in hy-
and run retraction
draulic system to allow
check. Isolate and
pressure to build up and
determine cause.
shut off pump before
gear has retracted.
§ Shuttle valve sticking
§ Check cause.
in pump base.
Pump stops during gear
§ Landing gear actuator
§ Reset circuit breaker
extension.
circuit breaker opens.
and determine cause
for overload.
§ Landing gear selector
§ Reset circuit breaker
circuit breaker opens.
and determine cause
for overload.
§ Applies to all airplanes.
Trouble
Cause
Remedy
Revised: 2/13/89
CHEROKEE ARROW III SERVICE MANUAL
HYDRAULIC SYSTEM
Summary of Contents for ARROW III
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