Piper SEMINOLE PA-44-180, Maintenance Manual

Page: 74 / 881

REPLENISHING.
FUEL SYSTEM.
At intervals of 50 hours or 90 days, whichever comes first, clean the fuel filter pack. Remove and clean the
filters in accordance with the instructions outlined in Chapter 28. inspection intervals of the various fuel system
components may be found in Chapter 5.
— Note —
Refer to Chapter 28 for fuel anti-icing additive information and cautions.
FILLING FUEL TANKS.
The fuel tank of each wing is filled through a single filler located on top of the nacelle. Each tank has a
capacity of 55 U.S. gallons, giving a total capacity of 110 U.S. gallons.
1. Observe all required safety precautions for handling gasoline.
2. Fill the tanks with fuel as specified on the placard adjacent to the filler neck.
DRAINING MOISTURE FROM FUEL SYSTEM.
To facilitate draining the fuel system fuel filters, lines and tanks of moisture and foreign matter, drains are
incorporated at a point just aft of the right flap trailing edge.
DRAINING FUEL SYSTEM.
The bulk of the fuel may be drained by opening the valves at the right hand side of the fuselage just forward of
the entrance step or by siphoning (when draining fuel through the drain valves, the selector valves should be
"ON"). The remaining fuel in the lines may be drained through the gascolators.
OIL SYSTEM.
The engine oil level should be checked before each flight and changed after each 100 hours of engine
operation. During oil change the oil screen(s) should be removed and cleaned, and the oil filter cartridge
replaced. Replace oil filter at 50 hour intervals.
— CAUTION —
DO NOT INTRODUCE ANY TRADE ADDITIVE TO THE BASIC
LUBRICANT EXCEPT AS RECOMMENDED BY THE MANUFACTURER IN
THE LATEST REVISION OF LYCOMING SERVICE BULLETIN NO. 446.
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
1 2 - 1 2 - 6 0
Page 12-02
Revised: May 15, 1989
1D2
PIPER AIRCRAFT