8-17. ENGINE.
8-18. REMOVAL OF ENGINE. (Refer to Figure 8-6.)
a.
Turn off all electrical switches in the cockpit and disconnect the battery ground wire at the battery.
b. Move the fuel selector valve in the cockpit to the OFF position.
c.
Remove the engine cowling. (Refer to Paragraph 8-5.)
d. Remove the propeller. (Refer to Paragraph 8-9.)
e.
Disconnect the starter positive lead and ground lead at the starter.
f.
Disconnect the tachometer cable to the engine.
g. Disconnect the governor control cable at the governor and cable attachment clamps.
h. Disconnect the throttle and mixture cables from the fuel-air control unit.
i.
Disconnect the cylinder temperature sender wire at No. 2 cylinder.
j.
Disconnect the fuel pump supply line and vent line from the engine.
k. Disconnect the exhaust manifold at the turbocharger turbine inlet (“Y” connections) and at each
exhaust manifold slip joint adjacent to No. l and 2 cylinders.
NOTE
In some manner identify all hoses, wires and lines to facilitate installation.
Open fuel, oil, vacuum lines and fittings should be covered to prevent
contamination.
1. Disconnect the magneto “P” leads at the magnetos.
m. Disconnect the engine vent tube at the engine.
n. Disconnect the engine oil temperature lead at the aft end of the engine.
o. Untie the ignition harness, hoses and lines at the aft end of the engine.
p. Disconnect the pneumatic pump lines at pump and remove fittings from pump.
q. Disconnect the oil pressure line at the engine.
r.
Disconnect the fuel flow line at the left rear engine baffle.
s.
Disconnect the manifold pressure line at the left rear side of the engine.
t.
Disconnect the alternator leads and the cable attachment clamps.
u. Attach a one-half ton (minimum) hoist to the hoisting straps and relieve the tension from the engine
mounts.
NOTE
Place a tail stand under the tail of the airplane before removing the engine.
v. Check the engine for any attachments remaining to obstruct its removal.
w. Drain the engine oil.
x. Remove the engine mounting bolts and lower mount assembly.
y. Carefully raise the engine and pull forward to clear the mount. Check to be certain there are no
connections remaining to obstruct removal of the engine, and remove the engine from the aircraft and
place on a suitable stand.
Revised: 8/31/77
2A19
CHEROKEE ARROW III SERVICE MANUAL
POWER PLANT - CONTINENTAL
Summary of Contents for ARROW III
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