Piper Lance II - Page 209

LANCE
II
SERVICE
MANUAL
TABLE
VI-III. HYDRAULIC
SYSTEM
TROUBLESHOOTING
(cont.)
Trouble Cause
Remedy
Landing
gear extension
system
fails to
oper-
ate. (cont.)
Pump
extension
sole-
noid
inoperative
(outboard
sole-
noid).
Replace
solenoid.
NOTE
If the
extension
solenoid
of
the
pump
can be
heard
to
actuate
when
operating
the
gear
selector
switch,
it
may be
assumed
that
the
gear control
circuit
is operating
properly
and the
actuator
circuit should
be-further
checked.
Gear selector
switch
ground
incomplete.
Gear
selector
switch
inoperative.
Hydraulic
pump
ground
incomplete.
Hydraulic
pump
inop-
erative.
Hydraulic
fluid
in
reservoir
below
operating
level.
Low
or dead
battery.
1117
Check
ground.
Replace
switch.
Check ground.
Replace
or overhaul
pump.
Fill reservoir
with
hydraulic
fluid.
Check
condition
of
battery.
HYDRAULIC
SYSTEM
Issued: 1/3/78