Piper Lance II User Manual

LANCE
II
SERVICE
MANUAL
1.
Loosen
rotor holding
tool
and move
the
rotor back
a few
degrees;
then move
it
forward.
Both
lights
should
go
out to
indicate
opening
of
the main
breakers
when the
timing
pointer
is indicating
within
the width
of
the "L"
mark
and
the red
painted
teeth
are centered
in
timing
windows.
m.
If breaker
timing
is not
correct,
loosen
cam
securing
screw
(refer
to Figure
8-16)
and
unseat
main
breaker
cam
from
taper.
Using
1 1-3031
Retaining
Ring Pliers
inserted
in holes
in
cam,
rotate
main
breaker
cam
in
direction
of rotation
until
left main
breaker
points
just
open
and
press
cam onto
taper.
Install
and torque
cam
retaining
screw
from
21 to 25
inch pounds.
NOTE
Refer
to
Lycoming
Service
Instructions
No.
1400
for
recommended
replacement
of old
cam
retaining
screw
with
new
self-locking
cam
retaining
screw.
n. Loosen
rotor
holding
tool
to turn
rotating
magnet
back
a
few degrees;
then
turn
rotating
magnet
in
normal
direction
of rotation.
Timing
light
should
go
out when
timing
pointer
is
aligned
with "L"
("E"
gap)
mark.
Lock
rotating
magnet
in
position
where
points
just
open.
o.
Loosen
right main
breaker
securing
screws
and position
breaker
so cam
follower
is
pressed
against
cam with
points
closed.
Tighten
contact
assembly
securing
screws
to prevent
contact
assembly
from bouncing
back when
moved.
Using
a small
mallet
and drift,
tap
right
breaker
in
until
points
just
open.
p.
Turn rotating
magnet
back
a few
degrees;
then
turn rotating
magnet
in normal
direction
of
rotation.
Both
timing
lights
should
go
out within
one
degree
or half
the
width
of
"L" mark
on
rotor.
If breakers
are
not properly
synchronized,
reset
right breaker.
q.
Check right
main
breaker
contact
for
0.016
.004 inch
point
opening
and torque
right
breaker
contact
securing
screws
to
20-25 inch-pounds.
If
point opening
is
out of
limits, repeat
timing
procedure
setting
left main
breaker
opening
at .016
.002
inch.
If right
contacts
open
beyond
.020
inch,
set left
contacts
closer
to .018
inch. If
right contacts
open
less
than .012
inch,
set
left
contacts
closer
to .014
inch.
r. Using
timing
light,
recheck
timing
to insure
main
breakers
open
with
one-half
the
width
of "L"
mark
and
that
retard
breaker
opens
at
correct
degree
setting.
Using
a wire
feeler
gauge,
check
left main
breaker
for .016
.002
inch point
opening
and
right
main breaker
and
retard
breaker
for
.016
.004
inch
point
opening.
NOTE
If
correct
breaker
timing
cannot
be
achieved,
remove
magneto
and
have it overhauled.
s. Check
capacitors
for
looseness
in
the magneto
cover
of the
harness
assembly
and
for
any
physical
damage.
The capacitors
should
be
checked
for
capacitance,
series resistance
and
leakage.
Capacitance
should
be 0.34
to 0.41
microfarads.
The
use of
a Bendix
condenser
tester,
part
number
11-1767-1,
-2 or
-3 or
equivalent
will simplify
this
test. Replace
defective
capacitors
and
torque
securing
nut to
60-70
inch-pounds.
NOTE
Spring in
capacitor
outlet
may cause
an indication
of
a short
to
ground
if adapter
lead is
not used.
(Refer
to
Paragraph
8-30,
Step
c,
Note.)
POWER
PLANT
Revised:
10/3/80
2B9

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