Remove propeller, or clean propeller
control systems, depending on condition or time in
Drain fuel from metering system and
connecting lines to eliminate fuel spillage during
Remove remote fuel pump adapters,
propeller hub attaching parts, starters, ignition analyzer
synchronizer, generators, vacuum pumps, air pumps,
hydraulic pumps, propeller governors, and engine driven
Forward engine accessories to depot in
Install cover plates and plugs in engine
and accessory openings. Plug or cap all lines
disconnected to accomplish engine removal.
determination of accessories to accompany engine.
(9)Lubricate exhaust port studs and nuts.
Preparation for installation. In addition to the
preparations outlined in paragraph a, the following
examinations must be made prior to Installation.
Examine any fuel, oil, or hydraulic lines
for serviceability Particular emphasis should be given to
all lines that run through firewall.
Ensure that all disconnected lines, hoses,
control rods, cables, and wiring on firewall are In
appropriate position required for connection to engine.
Installation. Procedures to be followed in
installing the engine will vary according to type of
engine and aircraft involved and whether or not a power
package is used. The general procedure contained
herein and in the specific engine maintenance manual
Swing engine into position with a suitable
hoist and Install engine mounting bolts. Tighten
mounting bolts to specified torque value.
Connect magneto ground wire, install
properly prepared carburetor, and connect fuel lines.
Attach main oil line to oil pump Inlet, then
connect oil scavenge line, oil tank vent line, oil pressure
gauge line, and any other required oil lines.
Connect and adjust throttle control and
carburetor air heater control.
Install and adjust propeller governor and
Install propeller. Tighten retaining nut to
specified torque value.
Connect, check, and safety any other
lines and controls which are required on the aircraft.
accordance with paragraph 7-13.
Lubricate exhaust port studs and nuts.
7-11. Engine Mounting Systems. The engine
mounting system consists primarily of an engine mount
and vibration dampers. The basic engine mount
consists of a welded chrome-molybdenum steel tubing
structure rigid enough to carry forces Imposed by the
engine. Vibration Isolators or dampers are used to
eliminate the transmission of excessive vibration from
the engine to the aircraft structure. Perform the
following procedures for general maintenance of engine
Visually inspect engine mounting system in
accordance with applicable Inspection requirements
When rubber parts of Isolators must
be cleaned to establish their physical
condition, use soap, A-A-50, and
Repair of engine mounting system is limited to
the following steps.
Repair distorted, bent, cracked, or chafed