PIPER
CHEROKEE SIX
SERVICE MANUAL
NOTES:
1.
Refer to the
last card of the
Piper Parts
Price List - Aerofiche,
for a
check list of current
revision
dates to
Piper Inspection Reports
and Manuals.
2. All
inspections or operations
are required at
each of the inspection
intervals as indicated
by a (O).
Both the annual and 100-hour inspections
are complete inspections of the airplane,
identical in
scope,
while both the
500 and 1000-hour
inspections
are extensions
of the
annual or
100-hour
inspection, which
require a more detailed
examination
of the airplane, and
overhaul or replace-
ment of some
major components.
Inspections
must be
accomplished
by persons authorized
by the
FAA.
3.
Piper service
bulletins are of
special importance
and Piper
considers
compliance
mandatory.
4. Piper Service Letters
are product improvements
and service
hints pertaining to
servicing the air-
plane and
should be given careful
attention.
5.
Inspections given for
the power plant are
based on the engine
manufacturer's operator's
manual
(Lycoming
Part
No. 60297-10)
for this airplane,
dated November
1973.
Any changes
issued to the
engine
manufacturer's
operator's
manual after
this date shall
supersede
or supplement
the inspec-
tions outlined
in this report.
6. Intervals
between oil changes
can be increased
as much
as 100% on
engines equipped
with full
flow
(cartridge
type) oil filters,
provided the
element is replaced
each 50 hours
of operation.
7.
Replace or overhaul
as required or at
engine overhaul. (For
engine overhaul,
refer to latest
Lycoming
Service Instructions
No. 1009.)
8.
Replace
flexible
oil lines as
required
but no later
than 1000
hours.
9.
The compressor oil
level should not be checked
unless a freon
leak has occurred which
requires an
addition of freon to the system.
10. Clean any traces
of oil from the clutch
surface.
11. At every 400 hours
of engine operation,
remove the rocker
box covers and check
for freedom of
valve
rockers when valves
are closed. Look
for evidence of abnormal
wear or broken
parts in the
area
of the valve tips,
valve keeper, springs
and spring seats.
If any indications are
found, the
cylinder and all
of its components
should be removed (including
the piston
and connecting rod as-
sembly) and
inspected for
further damage.
Replace
any parts that
do not conform
with limits
shown
in the
latest revision
Lycoming Service
Table of
Limits No. SSP1776.
12.
Check cylinders
for evidence
of excessive
heat indicated
by burned paint
on the cylinders.
This
condition
is indicative of internal
damage to the cylinder
and its cause
must be determined
and
corrected
before the aircraft
is returned to service.
Heavy
discoloration and
appearance of seepage
at the cylinder
head and barrel attachment
area
is usually
due to emission
of thread
lubricant used
during assembly
of the barrel
at the factory,
or by slight
gas leakage
which stops
after the cylinder
has been
in service for
awhile. This
con-
dition
is neither harmful nor
detrimental to engine
performance and
operation. If it can
be proven
that leakage exceeds these
conditions, the cylinder should
be replaced.
13. Check carburetor
throttle body attaching
screws for tightness;
the correct torque
for these screws
is 40 to 50 inch-pounds.
Refer to the
latest revision
of Piper Service Bulletin
No. 524.
14. Maintain
cable tensions
as specified in
Section V of
this manual.
15. When
using alternate
fuels, refer
to the latest
revision of
Lycoming Service
Letter No.
L185 for
additional
information and recommended
service procedures.
16. Replace
fuel tank vent
line flexible
connections as
required, but
no later than
1000 hours of
service.
17.
Replace flexible
fuel tank supply
hose at time
of engine overhaul.
18. If airplane
has electric
trim, refer
to the latest
revision of
Piper Service
Bulletin No.
556.
19. Refer
to and
comply
with
the
latest
revision
of
Piper
Service
Bulletin
No. 571.
20. Refer to the latest revision of Piper Service Bulletin No. 580.
21. Refer to latest
revision of Piper S/L 620,
621, 749, and 842.
22.
Refer
to Flight
Manual
Supplement
for preflight
and
flight
check, for
intended
function
in all modes.
23.
Refer
to
Lycoming
Service
Bulletin
469.
Interim
Revision:
5/6/87
INSPECTION
1E4
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