Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 623 / 1956

PAGE 3
Feb 28/07
3G7
28-20-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
(6) Tighten the hose clamps on the fuel line pressure seal halves which are on the fuel line going
to the left tank.
(7) Fill the fuel tanks and check for proper operation of the fuel selector valve.
D. Switches Adjustment
With the selector valve/switch removed from the airplane:
(1) Ensure that the switch has a pin overtravel of 0.06 in.
(2) When the handle is moved to its various positions, ensure that:
(a) The left switch should make contact (closed circuit) when the handle is in its mid position.
The left switch should be an open circuit when the handle is in the off and right positions.
(b) The right switch should make contact (closed circuit) when the handle is in the right
position. The right switch should be an open circuit when the handle is in the off and left
positions.
(3) Ensure that the plungers point to the axis of handle rotation. Adjust the switches on the cam by
moving them towards or away from the cam, not by twisting the switches to one side.
3. Fuel Selector Cable Adjustment
Adjust fuel selector cable so that the fuel selector arm will be in the (center) detent position when the
selector knob, located on the instrument panel, is moved to the left tank (center) position from the right
tank position. Visually check the fuel selector arm and cam to confirm proper adjustment. Properly
adjusted, the selector knob will not reach the instrument panel slot travel limits when resting in the right
tank and off positions. Travel should be equal distance from center ± .10.
4. Fuel Filter
NOTE: For routine filter servicing, refer to 12-10-00, Fuel System.
A. Removal
Access to the fuel filter is through the forward baggage compartment, right side floor panel access
cover.
(1) Ensure fuel selector control is in the OFF position.
(2) Remove the forward baggage compartment carpet.
(3) Open the right side floor access panel.
(4) Drain all fuel from the filter bowl, thru the outside drain valve.
(5) Disconnect and cap both fuel lines at the filter assembly.
(6) Cut safety wire and remove the two mounting bolts from the filter and remove assembly from
airplane.
B. Installation
(1) Position filter into airplane with the inlet port facing the outboard skin and the drain valve
inserted in the lower opening of the fuselage.
(2) Secure the filter assembly to its mounting bracket with two bolt and washer sets. Torque to
standard value and safety with 0.020 wire per MIL-W-6713.
(3) Remove protective caps from fuel lines and connect to filter assembly.
(4) Position fuel selector control to one of the ON positions and check fittings for leaks. Upon
completion of check return selector to the OFF position.
(5) Install the floor access panel and secure in place.
(6) Install the baggage compartment carpet.