PIPER
AIRCRAFI'
CORPORATION
PA-28-161, WARRIOR
ll
8.19
OIL
REQUIREMENTS
SECTIONS
HANDLING, SERV & MAINT
The oil capacity
of
the engine is 8 quarts, and the minimum safe quantity
is 2 quarts. It is recommended that the oil
be
drained
and
renewed
every
50
hours and sooner under unfavorable operating conditions. Full flow cartridge
type oil filters should
be
replaced each
50
hours
of
operation. The interval
between
oil
and
oil
filter change is not to
exceed
four (4) months. The
following grades are recommended for the specified temperatures:
MIL-L-22851
Average Ambient
MIL-L-6082B
Ashless Dispersant
Temperature
SAEGrade
SAEGrades
All Temperatures 15W-50 or 20W-50
Above80°F
60
60
Above60°F
50
40 or 50
30°Fto
90°F 40
40
0°Fto
70°F
30
30. 40 or 20W-40
Below
l0°F
20
30 or20W-30
When operating temperatures overlap indicated ranges, use the lighter
grade oil.
NOTE
Refer to the latest issue
of
Lycoming Service
Instruction
1014
(Lubricating
Oil
Recom-
mendations) for further information.
8.21
FUEL
SYSTEM
(a) Servicing Fuel System
At every 50-hour inspection, the fuel screens in the strainer, in
the electric fuel pump, and
at
the
carburetor inlet must
be
cleaned. I
(b) Fuel Requirements
(AVGAS
ONLY)
The
minimum aviation grade fuel for the PA-28-161 is 100.
Since
the use
of
lower grades can cause serious engine damage in a
short period
of
time, the engine warranty is invalidated by the use
of
lower octanes.
Whenever
100 or
IOOLL
grade fuel is not available, commercial
grade
100/130 should be used. (See Fuel Grade Comparison Chart).
Refer to· the latest issue
of
Lycoming Service Instruction No. 1070
for additional information.
ISSUED: AUGUST 13, 1982
REVISED:
FEBRUARY 28, 1990
REPORT: VB-1180
8-11
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