Technical data
13773-001
71-00
Page 12 30 Nov 2000
4. MAINTENANCE PRACTICES
A. Engine
(1) Removal - Engine
CAUTION: Place a tail stand of suitable capacity under tail of airplane before removing
engine.
Note: Tag each component when disconnected to facilitate reinstallation. Protect open-
ings exposed as a result of removing or disconnecting components against entry
of foreign material by installing covers or sealing with tape.
(a) Place all electrical switches in the cockpit in the OFF position.
(b) Place fuel selector valve in the OFF position.
(c) Remove engine cowling. (Refer to 71-10)
(d) Remove battery. (Refer to 24-30)
(e) Drain gascolator and fuel lines. (Refer to 12-20)
(f) Drain engine oil sump. (Refer to 12-20)
(g) Remove spinner and propeller. (Refer to 61-10)
(h) Disconnect magneto primary lead wires at magnetos. (Refer to 74-10)
(i) Disconnect electrical cable at starter. (Refer to 80-00)
(j) Disconnect exhaust gas temperature probe. (Refer to 77-20)
(k) Remove exhaust system. (Refer to 78-10)
CAUTION: When removing throttle and governor control cables, note EXACT size,
position, and number of attaching washer or spacers for reference on rein-
stallation. Use care to avoid bending cable controls too sharply.
(l) Disconnect throttle and mixture control cables at engine. Remove clamps securing cables
to engine and pull cables aft, clear of engine. (Refer to 76-10)
(m) Disconnect governor control cable at governor. (Refer to 61-20)
(n) Disconnect alternate air control cable at induction duct assembly. (Refer to 71-10)
(o) Remove induction air filter. (Refer to 71-10)
(p) Disconnect all environmental air flexible hoses and ducts and remove from airplane.
(Refer to 21-00)
(q) Disconnect manifold air pressure sensor lead at connector. (Refer to 77-10)
(r) Disconnect oil pressure sensor lead at connector. (Refer to 79-30)
(s) Disconnect oil temperature sensor lead at connector. (Refer to 79-30)
(t) Disconnect electrical wires at primary and secondary alternators. (Refer to 24-30)
(u) Disconnect all clamps and ties attaching wires or cables to engine and pull wires and
cables aft, clear of engine.
WARNING:
Residual oil and fuel draining from engine hoses and lines constitutes
a fire hazard. Caution must be used to prevent the inadvertent pooling
of such materials when lines or hoses are disconnected.
(v) Disconnect fuel pump supply line at pump and cap line.
(w) Disconnect fuel return line at pump and cap line.
(x) Disconnect fuel system vent and drain lines at tees located beneath engine.