Rockwell Commander 112 - SECTION IV POWER PLANT AND PROPELLER; GENERAL DESCRIPTION

ROCKWELL
COMMANDER
112/B/TC/TCA
MAINTENANCE MANUAL
SECTION IV
POWER PLANT
AND PROPELLER
SECTION IV
POWER PLANT AND PROPELLER
TABLE OF CONTENTS
GENERAL DESCRIPTION .........•.•••.....
IGNITION SYSTEM ..................•..•..
Ignition Switch ........•...••...•.••.....
Ignition System Operation .....•.•••.••...
Magneto .•.••.......•.....•.....•••.•...
Ignition Harness .......•..•..•••...•..•.
Spark Plugs ..•..•..•..•.•.•........•...
INDUCTION AIR SYSTEM ..........••.....•.
Induction Air Filter •........•..........•
FUEL INJECTION SYSTEM ................ .
Servo Regulator .•..•.•.........•....•..
Flow Divider Valve .............•••..••.
Air Bleed Nozzles ......•.....•........•
CARBURETOR SYSTEM .......•......•.....
Carburetor ........................... .
Turbocharger .......................... .
OIL SySTEM ....•.......•.••....••...•..••
Oil Cooler ..•.....•..•....••....•.•••..
Oil Screen and Filter ..•..•..•..•••....•.
Engine Oil ..•..•...•...•.....•.•••.•..•.
EXHAUST SYSTEM .•.•...••••...••..•...•.
Exhaust System Repair .•....•.......•...
COOLING SYSTEM •..••.........•.........
Baffle Removal, Repair and Installation ....
ENGINE CONTROLS •••••......•..•.•••••••
GENERAL DESCRIPTION
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MODELS 112/B. A direct-drive 200-horsepower Ly-
coming IO-360-CID6 engine is used to power the air-
craft. The engine is a four-cylinder horizontally-
opposed air cooled engine which employs a wet sump
oil system and is equipped with fuel injection. The
right bank is numbered one and three and the left bank
two and four. An engine speCification chart is con-
tained in Figure 4-12. The engine for the Model 112
is equipped with a Hartzell HC-E2YR-1BF/F7666A all
metal constant speed propeller, and the engine for the
Model 112B is equipped with a Hartzell HC-E2YR-
1BF/F8467-7R all metal constant speed propeller.
A separate manual prepared by the engine manufac-
turer, provides complete information concerning en-
Change 2
Page
Throttle • . • • • . . . • . . . . • • • . • . • . . . • • . . . . • •. 4-17
Mixture Control .••.•••..•........•....• 4-18
Propeller Control .•....•.... . . . . . . . . . . .• 4-18
Alternate Air Control. . . . . . . . . . . . . . . . . . .. 4-18
ENGINE ACCESSORIES .............•...... 4-18
Starter. . • . • . . . • . . . . • . . . • . . . . . . . • . . . . . .. 4-18
Alternator . . . . . . . . . . . . . . . . . . . . . • . . . . . • •. 4-19
Fuel Pump ........•.•.................. 4-19
ENGINE CHANGE . . • . . • . . . . . . . . . . . . . . . . . . .. 4-19
Removal ....•........•................• 4-19
Buildup ...........•..•....•............ 4-23
Installation ....••............•.......... 4-24
ENGINE MOUNT AND COWLING ..•...•.•... 4-26
Engine Mount ....•...................... 4-26
Engine Cowling ......................•.. 4-27
ENGINE
CONDITIONING HINTS ............. 4-27
Ignition ....•.•..•.............•....•... 4-27
Fuel Mixture .........................•. 4-27
PROPELLER ..........................••. 4-28
Propeller Removal •........•.•..••...... 4-28
Propeller Installation. . • . . . . • . . . . . . . . . . .• 4-29
PROPELLER GOVERNOR .................. 4-29
Propeller Governor Removal •..•.......•. 4-29
Propeller Governor Installation. . • . . • . . ••. 4-30
TROUBLE-SHOOTING ...•..•.....•........ 4-30
gine maintenance, and component disassembly, re-
pair, and reassembly. The material contained in
this manual provides information concerning this par-
ticular application of the 10-360 series engine, and the
information necessary for routine field maintenance
and servicing (see Figure 4-1) .
MODELS 112TC/TCA. A direct-drive 210-horsepower
Lycoming TO-360-C1A6D engine is used to power the
aircraft. The engine is a four-cylinder horizontally-
opposed air cooled turbocharged engine which employs
a wet sump oil system. The right bank is numbered
one and three and the left bank two and four. An en-
gine specification chart is contained in Figure 4-12.
The engine is equipped with a Hartzell HC-E2YR-
1BF/F8467-7R all metal constant speed propeller.
A separate manual prepared by the engine manufac-
4-1
Copyright Commander Owners Group 2013 All Rights Reserved
**unofficial copy**