Piper Lance II User Manual

Issued:
1/3/78
LANCE
II
SERVICE
MANUAL
FLYWEIGHT
GAUGE
11-10041
Figure
8-20.
Checking
Flyweight
Axial
Wear
with
Drill
Shank
Figure
8-21.
Checking
Flyweight
Radial
Wear
with
Gauge
d.
Inspect
for
axial
wear
between
flyweight
and
axle
using
shank
of
a
new
No.
35
drill
as
a
guage.
Hold
flyweight
so
the
outer
radius
is
in
alignment
with
the
rim
of
the
cam
flange
and
try
to
insert
the
drill
shank
between
the
flange
and
flyweight
as
shown
in
Figure
8-21.
Do
not
force
the
drill.
If
the
drill
can
be
inserted,
replace
the
cam
assembly.
e.
Inspect
for
excess
radial
wear
between
the
flyweight
and
axle
using
the
11-10041
flyweight
gauge.
Insert
the
gauge
between
flyweights
and
against
cam
hub
as
shown
in
Figure
8-21.
If
the
gauge
cannot
be
inserted
easily,
remove
burr
from
edges
of
hub
keyway
with
a
small
file.
Hold
the
gauge
firmly
against
the
hub,
at
the
same
time
squeezing
the
flyweights
against
the
gauge.
If
the
inner
end
of
either
flyweight
heel
touches
the
gauge,
replace
the
cam
assembly.
If
parts
are
near
limits,
check
clearance
between
flyweight
and
gauge
with
a
.003
inch
feeler.
If
flyweight
heel
is
tight
on
feeler,
replace
the
cam
assembly.
CAUTION
Never
attempt
to
repair
any
part
of
a
rejected
cam
and
flyweight
assembly.
f.
Inspect
ears
of
the
coupling
body
for
grooves
worn
by
the
tail
of
the
flyweights
and
wear
at
the
triggering
ramp
and
cam
stop
contact
areas.
(Refer
to
Figure
8-22.)
If
either
ear
shows
a
perceptible
groove
or
a
ridge
can
be
felt
when
fingernail
is
drawn
across
the
surface,
replace
the
coupling
body.
g.
Inspect
drive
lugs
of
body.
If
wear
is
noted,
measure
difference
between
worn
and
unworn
areas
on
drive
lug
surface.
If
difference
is
in
excess
of
.015
of
an
inch,
replace
the
body.
h.
With
spring
released
and
free,
it
should
form
a
smooth
spiral
curve
with
no
sharp
bends
or
flat
spots.
(Refer
to
Figure
8-23.)
If
spring
is
deformed,
replace
it.
POWER
PLANT
2B13

Piper Lance II Specifications

General

Manufacturer	Piper Aircraft
Max Takeoff Weight	3, 600 lb (1, 633 kg)
Crew	1
Horsepower	300 hp
Seats	6
Length	27 ft 7 in (8.41 m)
Capacity	5 passengers