Continental Motors C-125 Manuel utilisateur

Publication X30013

C-125

C-145

O-300

CONTINENTAL®AIRCRAFT ENGINE

OVERHAUL

MANUAL

FAA APPROVED

A C-125, C-145 & O-300 Series Engines Overhaul Manual

31 August 2011

Supersedure Notice

This manual revision replaces the front cover and list of effective pages for Publication Part No. X30013, dated

Basic Date. Previous editions are obsolete upon release of this manual.

Effective Changes for this Manual

0....................June 1982

1............31 August 2011

List of Effective Pages

Document Title: C-125, C-145 & O-300 Series Engines Overhaul Manual

Publication Number: X30013 Initial Publication Date: June 1982

Page Change Page Change Page Change Page Change

Cover............................1

A...................................1

B - blank added............1

ii thru iv.........................0

1 thru 61.......................0

Published and printed in the U.S.A. by Continental Motors, Inc.

Available exclusively from the publisher: P.O. Box 90, Mobile, AL 36601

altered without the publisher's written permission. This manual is provided without express, statutory, or implied warranties. The publisher will

not be held liable for any damages caused by or alleged to be caused by use, misuse, abuse, or misinterpretation of the contents. Content is

subject to change without notice. Other products and companies mentioned herein may be trademarks of the respective owners.

Intentionally Left Blank

INTRODUCTION

This

revised

edition of

the

Maintenance

and Overhaul

Instructions

includes

the

descriptive

material

and

instructions

contained

editions.

In addition,

information

regarding

new

models

0-300-C

and

0-300-D

has

been

added, making

these

instructions

applicable

the

cylinder

models

the

"C"

series

which

are

service

and in production. A

parts

list

contained

separate

Parts

Catalog,

Form

No.

X-30014.

Due

the

similarity

the

C145 and

the

0-300

model

engines,

all

references

and

instructions

regarding

the

C145 engines

shall

apply

0-300

engines,

unless

otherwise

indicated,

throughout

this

manual.

This

manual

intended

primarily

for

the

mechanic

who

engaged

the

main-

tenance

and

overhaul

models

C125, C145,

0-300-A,

0-300-B,

0-300-C,

0-300-D

and

0-300-E

engines.

Operating

instructions

contained

herein

are

in-

tended

for

those

who

operate

and

test

these

models

connection with

maintenance

work.

Descriptive

text

Section 3

covers

all

models,

currently

designed

and built.

Service

instructions

in Sections 7, 8 and 9

constitute

the

necessary

preventive

and

minor

corrective

maintenance

procedures.

These

measures,

followed,

will

assure

continued

reliability

engines

during

the

period

between

overhauls.

These

and

the

overhaul

instructions

Sections 10,

and

are

intended

cover

adequately

the

work

involved. If

additional

information

re-

quired

inquiry

should

addressed

the

nearest

Continental

Service

Station.

The

significant

differences

between

the

0-300

models

are

follows:

The

0-300-A

engine

has

a SAE No. 3 flanged

propeller

shaft

and

provisions

for

starter,

generator,

voltage

regulator

and fuel pump.

The

0-300-B

engine

identical

the

0-300-A

except

for

provisions

for

use

a manually

controlled

hydraulic

propeller.

The

0-300-C

engine

identical

the

0-300-A

except

for

ARP 502 Type I

flanged

propeller

shaft

and

Slick

Electro

Inc.,

Magnetos.

Information

regarding

maintenance,

overhaul

adjustment

these

magnetos

may

be obtained

from

Slick Magneto Inc. , Rockford,

Illinois.

All

0-300-C

engines

subsequent

serial

No.

21001

are

equipped

that

right

angle

starter

drive

can

used

desired.

The

0-300-D

engine

identical

the

0-300-C

except

that

the

starter

mounted on

adapter

which

provides

right

angle

drive.

The

0-300-E

engine

similar

the

0-300-D

except

for

incorporation

governor

drive

pad

and

crankshaft

provisions

supply

governor

oil

the

pro-

peller.

F. An

alternator

available

optional eqUipment on

the

0-300-C,

and

engines.

Service

information

the

alternator

may

obtained

from

General

Parts

Division,

Ford

Motor

Co.,

Box 412,

Ypsilante,

Michigan.

TABLE

CONTENTS

Section 1 -

Table

Specifications.

•

Section 2 -

General

Description.

•

Difference

Engine

Models.

Cylinder

Construction

Piston

and

Piston

Construction.

4. Connecting Rods • ,

..•

•••

Crankshaft

Construction.

. . • . •

Crankcase

and Oil Sump

Construction.

Crankcase

Cover.

• • • . .

8. Valve Operating

Mechanism.

Lubrication

System.

. . . .

OPERATING

AND

MAINTENANCE

INSTRUCTIONS

Section

3 -

Introduction.

•

••

••••••

Section 4 - Packing, Unpacking and

Preparation

storage

••••••••

1. Shipping Boxes •

•••••••

Packing..

• • •

•••

3. Unpacking

the

Engine.

••••

Preparation

of Engine

for

storage

Preparation

Engines

for

Service

After

Page

storage

. • • • • • • • • • • •

••

Section 5 -

Installation

Airplane

and

Removal

Engine Mounting • • • • • • •

Fuel

and

Carburetor

System.

• • •

3. Oil

System.

•

••••••••

4. Engine Removal • • • • • • • • •

Section 6 -

General

Operating

Instructions

Before

starting.

• • •

Starting.

• • • • • • •

Warm-Up

and

Ground

Test

Take-

Off

and

Climb.

Cruising.

•

••

•••

• •

••

Landing.

• • • • • • •

7. Stopping

the

Engine.

• •

Carburetor

Heat

Control

• •

••

Section 7 - Engine

Troubles

and

Service

Repairs

Failure

of Engine

Start

•

••••

2. Low Oil

Pressure

• • • 16

3. High Oil

Temperature.

• •

4. Low

Power

• • • • • • •

5. Rough

Running.

• • • • •

6. Engine

Fails

Accelerate

Properly

Page

Section

8 -

Service

Inspection

and

Associated

Maintenance.

• • . . .

1. Daily

Inspection

• • • • • • • • •

2. 100-Hour

Inspection

• • • . . • •

Major

Overhaul

Remanufacture

• •

Section 9 - Adjustment,

Replacement

and

Minor

Repair

• • . • . • • . • . • •

Carburetor

• • • • • • • • • • •

2. Magneto

Installation

and

Timing

the

Engine • • •

3. Ignition

Wiring.

Starter

. .

Generator.

• •

OVERHAUL INSTRUCTIONS

Section

10 -

Disassembly,

Cleaning

and

Inspection

••••

. • • •

General.

••

••••

Preliminary

Operations.

Disassembly.

•••

Cleaning.

••

Inspection.

• . • • .

Section

Repair

and

Replacement.

General

Repair.

• • •

••

Castings.

••

••••.••

3. Stud

Replacement.

• • • • • •

Helical

Coil

Insert

Installation.

•

Parts

Discarded..

•

Repair

and

Replacement

Engine

Parts

Section

12 -

Reassembly,

Final

Assembly,

Timing

and

Testing

• • • • • • • • •

Reassembly

Major

Subassemblies

Final

Assembly

Procedure.

••

3. Engine Run-In

and

Test

Procedure

After

Major

Top

Overhaul

• 34

Section

Table

Limits

• • • • • •

ACCESSORIES

Section

14 -

Marvel-Schebler

Carburetor.

Section

15 -Bendix S6LN-21 Magnetos

Section

-Hydraulic

Tappets

• • • . • 50

Section

Delco-Remy

Starter

• • • • 52

Section

18 -

Delco-Remy

Generator

• • •

Section

Delco-Remy

Generator

Regulators

Section

-Right Angle

Starter

Drive

Adapter

LIST OF TABLES

TABLE

VII

TABLE

XII

TABLE

XIV

TABLE

XVI

Characteristics

and

DimenSions

Purchased

Accessories

Ignition

System

• • • • •

Fuel

System

• • • • • •

Lubrication

System

• • •

Accessories

and

Weights

Oil

Viscosity

Grades

Temperature

Limits.

• •

Table

Dimensions.

• •

Magnaflux

Inspection

Data

Standard

and

Oversize

Stud

Identification

Test

Operating

Limits.

•

Standard

Acceptance

Test

•

Deleted

••••••••.

Deleted

••••••.••

Magnaflux

Inspection

Chart

Page

Fig.

No.

10.

II.

12.

13.

14.

15.

16.

17.

18.

19.

20.

2l.

22.

23.

24.

25.

26.

27.

28.

29.

30.

3l.

32.

33.

34.

35.

36.

37.

38.

39.

40.

INDEX

ILLUSTRATIONS

Three-Quarter

Left

Front

View -

0-300

Right

Rear

View -

0-300-C

.•

Right

Rear

View -

0-300-D.

••

•

Section

Through

Hydraulic

Tappets.

Cutaway View Showing

Gear

Train

•

Typical

Installation

Diagram

Installation

Drawing

• • • • • • •

Installation

Drawing

• • • • • • •

Installation

Drawing

• • • • • • •

Ignition

Wiring

Diagram

for Bendix

SF6LN-12

Magnetos

•••••.•

Ignition

Wiring

Diagram

for Bendix

S6LN-21

Magnetos.

•.

•

•••

Ignition

Wiring

Diagram

for

Slick

664 Magneto

Starter.

. . . . .

....

Compressing

Valve

Spring

for

Installation

and

Removal

Locks

••

•

Removal

Hydraulic

Unit

From

Cam

Follower

Body.

••••••

•

Assembling

No. 1 Connecting Rod • •

Assembling

Rocker

Shaft

Bushings.

• •

Measurement

Dampener

Bushings

•

Installing

Cam

Follower

Body

Crankcase.

Installing

Crankshaft

Thrust

Washer

•

•.

Installation

Starter

Pinion

Pivot.

•• ••

Installation

Crankshaft

and

Connecting

Rods

Installation

Crankcase

1-3-5

Over

Crank-

case

2-4-6

• • • • • • • • • • • • • • • •

Installation

Gears

Crankcase.

• • • • • •

Installation

Crankcase

Cover

Crankcase

•

Installing

Cylinder

Crankcase

• • • • • •

Lubrication

Chart,

Lateral

Section

Front

View

Lubrication

Chart,

Longitudinal

Section

View.

•

Lubrication

Chart,

Accessory

Cover

Section

•

Carburetor

Right

Side

View.

• • • • • • • • •

Carburetor

Left

Side View • • • • • • • • • •

Cutaway

Views

Marvel-Schebler

MA-3SPA

Carburetor

• • • • • •

Starter.

• • • • • • • •

Typical

Wiring

Diagram

• • •

Generator

••••••••••

Current

and

Voltage

Regulator.

Starter

and

Adapter

• • •

Needle

Bearing

Installer

•

Installing

Needle

Bearing.

•

Table

Limits

Chart

• •

Page

Section 1

TABLE

SPECIFICATIONS

TABLE

1 CHARACTERISTICS

AND

DIM:ENSIONS

Dimension

Piston

strokes

per

cycle

Number

cylinders

Cylinder

bore

(in.)

Piston

stroke

(in.)

Compression

ratio

Total

displacement

(cu. in. )

Overall

length

(in.)

Overall

width

(in.)

Overall

height

(in.)

Number

of mounting

brackets

Rated

RPM

Rated

Total

dry

weight

(lbs.)

Model

All

C125

C145,

0-300-A,

D & E

C125

C145,

0-300-A,

D & E

C125

C145,

0-300-A,

D & E

C125

C145~

0-300-A,

B & C

0-300-D

& E

All

C125, C145,

0-300-A,

B & C

0-300-D

& E

All

C125

C145,

0-300-A,

D & E

C125

C145,

0-300-A,

B, C, D & E

C125

C145,

0-300-A,

B, C & D

TABLE

PURCHASED ACCESSORIES

Value

4-1/16

3-5/8

3-7/8

6.3:1

7.0:1

282

301

41-9/16

35-15/32

35-17/32

31-1/2

27-13/32

26-29/32

2550

2700

125

145

257

268

Accessory

Model

Accessory

C125, C145

Magneto

U-300-A,

0-300-C,

D, & E

C125, C145

Starter

0-300-A,

0-300-D,

C125, C145

Generator

0-300-A,

C & D

0-300-E

Generator

0-300-C,

D & E

Alternator(Opt.

)

All

Carburetor

Feature

Left

magneto

fires

lower

plugs

Right

magneto

fires

upper

plugs

Firing

Order

Spark

plug

gap

setting

Manufacturer

Part

Number

Bendix Magneto Division S6LN-21

Bendix

Aviation

Corporation

Slick

Electro

Inc. 664

Delco-Remy

Division

1109656

General

Motors

Corporation

Delco-

Remy

Division

1109694

General

Motors

Corporation

Delco-

Remy

Division

1101890

General

Motors

Corporation

Delco-Remy

Division

1101898

General

Motors

Corporation

General

Parts

Division

CGFF-10300-C

Ford

Motor

Company

Marvel-Schebler

Division

MA-3-SPA

Borg-

Warner

Corporation

TABLE

III

IGNITION SYSTEM

Model

C125

C145,

0-300-A,

D & E

C125

C145,

0-300-A,

D & E

All

Value

Quantity

Permissible

RPM

drop

when

switched

from

"both"

either

"left"

"right"

magneto

All

0B.

28°B. T.

28°B.

26°B. T.

1-6-3-2-5-4

0.015 -0.021

RPM

Ce manuel convient aux modèles suivants

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