Technical data

13773-001
71-00
Page 1330 Nov 2000
CAUTION: Prior to removing engine attach bolts, ensure all hoses, wires, lines, cables,
cable ties, and clamps are disconnected or removed from positions which
would interfere with engine removal.
(y) Loosen bolts securing engine to engine mounts.
(z) Attach hoist at forward and aft lifting points. Lift engine just enough to relieve weight from
engine mounts.
CAUTION: Note location and position of engine mount isolators prior to engine removal
for reference on reinstallation.
(aa) Remove grounding cables and nuts, washers, bolts, securing engine to engine mount.
(Refer to 71-20)
(ab) Slowly hoist engine away from airplane, guiding the detached parts out as the engine is
removed.
(ac) Preserve engine in accordance with TCM IO-550 Maintenance and Operator’s Manual.
(List of Publications)
(2) Installation - Engine
Note: Remove all protective caps and identification tags as each component is installed.
Prior to installing engine, install all components that were removed from engine
after engine was removed from airplane.
(a) De-preserve engine in accordance with TCM IO-550 Maintenance and Operator’s Manual.
(List of Publications)
(b) Hoist engine into alignment with engine mount attach points.
(c) Assemble engine mount isolators. (Refer to 71-20)
(d) Install engine mount bolts, washers, bushings, and nuts. Torque to 450 to 500 inch-
pounds (49.5 to 55 Nm). (Refer to 71-20)
(e) Connect alternator leads and wiring at alternators. (Refer to 24-30)
(f) Connect oil pressure sensor lead. (Refer to 79-30)
(g) Connect oil temperature sensor lead. (Refer to 79-30)
(h) Connect manifold pressure sensor lead. (Refer to 77-10)
(i) Connect governor control cable. (Refer to 61-20)
(j) Connect throttle and mixture control cables. Adjust power control cables. (Refer to 76-10)
(k) Connect alternate air control cable at induction duct assembly. (Refer to 71-10)
(l) Connect fuel pump supply line, vent line, and return line.
(m) Connect starter electrical cable. (Refer to 80-00)
(n) Connect fuel system vent and drain lines at tees located beneath engine.
(o) Ensure any other lines, hoses, electrical leads, clamps, and ties disconnected during
removal of engine are installed.
(p) Install exhaust system. (Refer to 78-10)
(q) Connect exhaust gas temperature probe. (Refer to 77-20)
(r) Attach and connect all environmental air flexible hoses and ducts. (Refer to 21-00)
(s) Install propeller and spinner. (Refer to 61-10)
(t) Connect magneto primary lead wires. (Refer to 74-10)
(u) Connect battery cables. (Refer to 24-30)
(v) Remove hoist and tail stand.