John Deere 21C, 21S, 25S, 30S, 38B Line Trimmers and Brush Cutters Technical Manual TM1494

John Deere 21C, 21S, 25S, 30S, 38B Line Trimmers and Brush Cutters Technical Manual TM1494

MODELS COVERED:

21C

21S

25S

30S

38B



MANUAL CONTENTS:

SECTION 10GENERAL INFORMATION

Group 05Safety

Group 10 General Specification

Group 15 Repair Specifications

Group 20Fuels and Lubricants

Group 30Features and Attachments

Group 35Service Information Bulletin Listing

SECTION 20ENGINE REPAIR

Group 05Disassemble Engine

Group 10 Inspect and Repair Engine

Group 15 Assemble Engine

Group 20Recoil Starter

Group 25Muffler

SECTION 30FUEL AND AIR REPAIR

Group 05Air Cleaner, Fuel Lines and Filter

Group 10 Carburetor

Group 15 Throttle Cable

SECTION 40ELECTRICAL REPAIR

Group 05Flywheel

Group 10 Ignition System

SECTION 50POWER TRAIN REPAIR

Group 05Clutch and Drum Assembly

Group 10 Drive Shaft

Group 15 Lower Housing

SECTION 60CUTTING HEAD AND BLADES

Group 15 Nylon Line Cutting Heads

SECTION 210TEST & ADJUSTMENT SPECIFICATIONS/OPERATIONAL CHECKOUT PROCEDURE

Group 05Test & Adjustment Specifications

Group 10 Operational Checkout Procedure

SECTION 220ENGINE OPERATION & TESTS

Group 05Component Location

Group 10 Engine Theory of Operation

Group 15 Diagnosis, Tests & Adjustments

SECTION 230FUEL/AIR OPERATION TESTS & ADJUSTMENTS

Group 05Component Location

Group 10 Theory of Operation

Group 15 Diagnosis, Tests & Adjustments

SECTION 240ELECTRICAL OPERATION TESTS & ADJUSTMENTS

Group 05Component Location

Group 10 Theory of Operation

Group 15 Diagnosis, Tests & Adjustments

Group 20Wiring Schematics

SECTION 250POWER TRAIN OPERATION TESTS & ADJUSTMENTS

Group 05Component Location

Group 10 Theory of Operation

Group 15Diagnosis, Tests & Adjustments

SECTION 260CUTTING HEADS AND BLADES

Group 10 Theory of Operation

Group 15 Diagnosis, Tests & Adjustments

Index



Pages:232

File Format: Pdf

Compatible: All Versions of Windows & Mac

Language: English

Delivery: Instant Download