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(2) Remove the P-clip that attaches the vent
pipe to the engine mounting frame.
(3) Remove the worm drive clamp that attaches
the vent pipe to the oil/air separator.
(4) Cut the three Ty-wraps that attach to the fuel
distribution manifold drain.
(5) Carefully pull the vent pipe from the rubber
hose at the oil/air separator. Remove the
vent pipe.
B. Install The Oil/Air Separator Vent
Detail Steps/Work Items Key Items
(1) Examine the vent pipe. Make sure the inner
bore of the pipe is clear.
(2) Put the vent pipe in position in the oil/air
separator.
(3) Install the worm drive clamp that attaches
the vent pipe to the oil/air separator.
(4) Install the P-clip that attaches the vent pipe
to the engine mounting frame.
(5) Install the three Ty-wraps that attach to the
fuel distribution manifold drain.
(6) Install the engine cowlings. Refer to Chapter 71-10
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CHAPTER 80
STARTING
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TABLE OF CONTENTS
CHAPTER 80-00 STARTING....................................................................................................................1
1. General .............................................................................................................................1
2. Description And Operation................................................................................................3
TROUBLE SHOOTING .........................................................................................................................101
1. General .........................................................................................................................101
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CHAPTER 80-00
STARTING
1. General
This Chapter tells you about the engine starting system. Figure 1 shows the location of the starter
system components.
Refer to the Teledyne Continental Motors Maintenance Manual (Form X30621A) for data on the
starter motor and the engine.
Starting
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Figure 1: Starter System Component Locations
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2. Description And Operation
A Teledyne Continental Motors electrically operated starter-motor attaches to the Teledyne
Continental Motors IO-240-B series engine. The starter motor attaches to the rear of the accessory
drive case.
The starter has a DC motor. During starting, the motor turns the engine through a reduction gear
and a clutch. A solenoid attaches to the bottom of the motor. The solenoid moves the pinion gear
of the starter to engage with the engine crankshaft gear. It also operates contacts to supply power
to the motor.
The starter electrical circuit has 2 parts. It has a control circuit and a heavy current circuit.
The main bus supplies power for the starter control circuit through a circuit-breaker. The control
circuit has the usual key-operated ignition switch. The ignition switch is located near the bottom
center of the instrument panel.
The fully clockwise START position of the ignition switch gives a positive supply to the starting
vibrator which switches power to the starter relay. In all other switch positions, there is no supply to
the starter relay.
Heavy cables from the output side of the battery relay supply the electrical power to the starter
relay. A heavy cable connects the output of the starter relay to the starter.
When you set the ignition switch to START battery power energizes the starter motor. The starter
solenoid that attaches to the starter motor pushes a pinion gear forwards to engage the crankshaft
gear. At this point the starter motor turns the pinion gear through a pair of reduction gears that turn
the crankshaft. When the engine starts and the ignition switch is released, the pinion gear retracts
from the crankshaft gear. A start annunciator light comes on when the starter relay closes.
Starting
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When you turn the ignition switch to the START position with the GEN/BAT switch ON, these things
happen:
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