Table Of Contents - Jacobsen J-125AS Service Manual

CONTENTS
Page
Foreword • • . . • . • • • • 1
How To Use The Service Manual 1
How To Order Repair Parts . • 1
What The Manual Will Do For You 1
Jacobsen Service Policy . . • • • . 2
Types of 1959 - 1960 Jacobsen Engines and Starting Serial Numbers 2
1959 - 1960 Jacobsen Engine Models Illustrated . • • • • • • • 4
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SECTION I - SERVICE AND OPERATION
1. 1 Setting Up a Service Shop .
1. 2 Engine Model Identification
1. 3 Principles of Operation
1. 4 Care of Jacobsen Engine
General
Spark Plug . . . • •
Air Cleaner . • • •
Exhaust Ports and Muffler
1. 5 Fuels and Lubricants
SECTION II - ENGINE TROUBLE SHOOTING
2. 1 General Information •
Engine Trouble Chart
SECTION III - SERVICE DATA
Page
5
5
5
7
7
7
7
7
7
8
9
3. 1 General Information • . . • . . 11
3. 2 Specifications . • . . . . • . . 11
3. 3 Service Tolerance and Clearances 12
3. 4 Torque Data . • . . • • • . . 12
SECTION IV - MINOR OVERHAUL INSTRUCTIONS
4.1 General Information
13
4.2 Magneto Overhaul
13
" 4. 3 Carburetor Overhaul
16
4. 4 Fuel Line and Tank
18
4.5 Adjustments
18
4.6 starter Overhaul
19
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SECTION V - MAJOR OVERHAUL
5.1 General Information . •
5. 2 Engine Disassembly • •
5. 3 Cleaning and Inspection
5. 4 Repair and Replacement
5. 5 Engine Reassembly . •
SECTION VI - ENGINE EXPLODED VIEWS
Page
20
20
21
22
22
6. 1 General Information • . . • • . • • 23
J-100 &J-125 Engine Disassembly Sequence
Horizontal Engine Exploded View . 24
Vertical Engine Exploded View • . 25
Engine Short Block Exploded View 26
Carburetor Exploded View • . . . 27.
Magneto Exploded View • • . . . 28
Automatic Rewind starter Exploded View 28
J-175 Engine Disassembly Sequence
Horizontal Engine Exploded View • 29
Vertical Engine Exploded View • . 30
Engine Short Block Exploded View 31
Carburetor Exploded View • . . • 32
Magneto Exploded View • • • • . 33
Automatic Rewind starter Exploded View 33
J-225 Engine Disassembly Sequence
Vertical Engine Exploded View • • • 34
Engine Short Block Exploded View 35
Carburetor Exploded View . . . . 36
Magneto Exploded View • • . . . 37
Automatic Rewind starter Exploded View· 37
3