Piper Navajo PA-31 Service Manual page 537

PIPER NAVAJO SERVICE MANUAL
g. Connect the alternate air door control cable to the air door control arm and adjust
the cable end on the control arm so that when the control knob in the cockpit is full in,
there will be approximately one-eighth inch between the control arm roller and the fully
closed door.
h. Connect the tachometer drive cable to the drive on the accessory housing.
i. Connect the vacuum hose to the fitting on the upper left side of the fire wall.
j.
Connect the propeller deicer electrical leads (if installed).
k. Connect the magneto ground leads and the retard spark lead to the left magneto.
1. Connect the electrical leads to the oil temperature sender at the accessory housing,
the cylinder head temperature at the probe at the aft outboard cylinder and the exhaust
temperature probe at the aft side of the exhaust manifold, if installed.
m. Connect the alternator primary cable to the filter box located on the lower right side
engine mount. Connect the field wire.
n. Route the starter cable through the lower side of the left aft engine baffle and attach
the cable end to the starter. Secure cable with clamps at the engine mount and the engine.
o. Ascertain that the magneto switches are off and install the propeller per Installation
of Propeller, Section VIII.
p. Install the proper grade and amount of engine oil.
q. Connect the battery ground wire at the battery.
r. Turn on the fuel valve; open the throttle full and turn on the electric fuel pump and
check the fuel lines for leaks.
s. Install the access plates on the engine nacelle and the cowling per Installation of
Cowling, Section VIII.
t. Perform an engine operational check.
8A-12. ENGINE SHOCK MOUNTS. (Refer to Engine Shock Mounts, Section VIII.)
8A-13. INDUCTION SYSTEM AIR FILTER. (Refer to Induction System Air Filter,
Section VIII.)
8A-14. FUEL INJECTOR. (Refer to Fuel Injector, Section VIII.)
8A-15. FUEL-AIR BLEED NOZZLE.
8A-16. REMOVAL OF FUEL-AIR BLEED NOZZLE. The nozzles must be carefully
removed as they or the cylinders may be damaged.
a. Remove the engine cowl per Removal of Engine Cowling, Section VIII.
b. Disconnect the fuel line from the nozzle.
c. Carefully remove the nozzle, using the correct size deep socket.
d. Clean and inspect the nozzle as given in paragraph 8A-17.
Reissued: 10/12/79
POWER PLANT
2K15