Piper Lance II User Manual

1. When the
Final timing check
is done, back the
engine up approximately
10 degrees;
then
carefully
bump
the engine
forward
and observe
the
position
that
the breakers
open.
m.
Repeat
Step
k if necessary
until conditions
of Step
1 are
met.
If the
late breaker
8-31. MAGNETO
TIMING PROCEDURE
(INTERNAL TIMING).
a. Remove
magneto
cover.
b. Loosen
flange clamps and remove
magneto from engine.
breaker
opens
first.
m.
Repeat
Step k if
necessary
until conditions
of Step
1 are met.
If the
late breaker
opens
more
than 3 degrees
from
the early
one, the
internal
timing of
the magneto
must
be
rechecked.
(Refer to Internal
Timing,
Paragraph
8-31.)
n. Torque
the
magneto
securing
clamps to assembly
inch-pounds.
Recheck timing
once
more
and if
satisfactory disconnect
the
timing light
and remove
the adapter
leads.
o.
Reinstall
the plugs
in the
timing inspection
holes and
torque
to 12-15
inch-pounds.
Loosely
install
the harness
with
clamps
and/or
brackets.
a.
Remove
magneto
cover.
b. Loosen
flange clamps
and remove
magneto
from engine.
c. Check
condition
of points;
replace
if necessary.
d.
Rotate
the
magneto
drive
shaft until
a main
cam lobe
touches
the follower
of the
left
main breaker
assembly
and
adjust the
breaker
points to
an initial
opening of
.016 inch.
Wire feeler gauge
is recommended.
e. Adjust
right main
breaker
contact
assembly
to an
initial point
opening
of .016
inch
just
as in
Step d.
f. Fixed
contact
support
may
be bent
to adjust
clearance.
If support
is bent,
main
breaker
contact
must
be rechecked.
Torque
breaker
securing
screws
to 20-25
inch-pounds.
Issued:
1/3/78
POWER
PLANT
2B7
LANCE H
SERVICE MANUAL

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