CLEANING AND INSPECTION OF FUEL INJECTOR NOZZLES.
1. To clean the nozzles immerse in fresh cleaning solvent, use compressed air to dry.
—CAUTION—
Do not use wire or other objects to clean orifices.
2. Inspect the nozzles for cleanliness; pay particular attention to the orifices. Check the condition of the
nozzle and cylinder threads.
INSTALLATION OF FUEL INJECTOR NOZZLES.
1. Carefully start the nozzles by hand to prevent cross-threading. Torque nozzle to 60 inch-pounds.
2. Connect the fuel line to the nozzle.
3. Reinstall cowling side panels.
CONTROLLING.
RIGGING THROTTLE AND MIXTURE CONTROLS. (Refer to Figure 73-3.)
1. Rig the throttle control as follows:
A. Place the quadrant throttle lever full forward.
B. With the control arm on the fuel-air control unit in the full throttle position, rig the throttle
quadrant lever to provide a minimum of .032 inches clearance from the forward stop. With the
control arm at the idle stop, the quadrant throttle lever must have a minimum clearance of .032
inches from the aft stop.
2. Rig the mixture control as follows:
A. Place the mixture control lever full forward.
B. With the mixture control arm on the engine fuel pump in the full rich position, rig the quadrant
mixture lever to provide a minimum of .032 inches clearance from the forward stop.
C. With the mixture control arm at idle cut-off, the quadrant mixture lever must have a minimum of
.032 inches clearance from the aft stop.
ENGINE SETUP PROCEDURES. PP550026-1
The following procedures should be used to check and adjust the power plant to maintain the required
operating limits and insure obtaining good setup results. It is important that the following leak check be made
before proceeding with any actual system adjustments:
1. Leak Check -Gauge Lines:
A. Disconnect the manifold pressure, deck pressure, and fuel pressure lines on the forward side of the
rear engine baffle.
Effectivity 73-20-02
PA-28RT-201T Page 73-03
Revised: July 24, 1981
3C16
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
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