MTD 483 Series Manuals

Manuals and User Guides for MTD 483 Series. We have 1 MTD 483 Series manual available for free PDF download: Professional Shop Manual

MTD 483 Series Professional Shop Manual

MTD 483 Series Professional Shop Manual (92 pages)

Brand: MTD | Category: Engine | Size: 4 MB

Table of Contents

Table of Contents
3
Chapter 1: Introduction

7
- Professional Shop Manual Intent
  7
- Assembly
  7
- Model and Serial Number
  9
- Maintenance
  9
- Oil Type and Capacity
  10
- Changing the Oil
  11
- Fuel
  11
- Fuel Filters
  11
- Valve Lash
  13
- Cleaning the Engine
  14
- General Torque Specifications
  15
- Maintenance Chart
  15
- Frequently Used Specifications
  16
Chapter 2: Basic Troubleshooting

17
- Definitions
  17
- Introduction
  17
- Steps to Troubleshooting
  17
- Define the Problem
  17
- Identify Factors that Could Cause the Problem
  18
- Repairing the Problem
  22
- Prime Test
  22
- Leak-Down Test
  22
- Compression Test
  23
- PCV Testing
  24
Chapter 3: Air Intake System

27
- Heat Box
  27
- Carburetor and Insulator
  28
Chapter 4: The Fuel System and Governor

31
- Inspecting the Fuel
  31
- Test Fuel for Alcohol
  31
- Fuel Tank Vent
  32
- To Test the Cap Vent
  32
- The Fuel Filter
  32
- Inspect the Fuel Lines
  33
- The Fuel Tank
  33
- Choke
  34
- Primers
  35
- Carburetors
  35
- Inspecting the Carburetor
  35
- Disassembly and Rebuilding the Carburetor
  36
- Governor
  40
- Governor Arm
  40
- Governor Shaft
  41
- Governor Cup and the Governor Gear
  42
- Governor Adjustment
  42
Chapter 5: Lubrication

43
- Oil Type and Quantity
  43
- Oil Dip Stick
  43
- Dip Stick Tube Removal
  44
- Lubrication System
  44
- Positive Crankcase Ventilation Valve
  45
Chapter 6: Starter and Charging Systems

47
- Recoil Starter Removal
  47
- Starter Cup
  47
- Starter Rope
  48
- Starter Pulley and Recoil Spring
  49
- Electric Starter
  51
- Charging System
  52
- Stator
  54
- Rotor
  54
Chapter 7: Ignition System

55
- Troubleshooting the Ignition System
  55
- Stop Switch
  56
- Remote (Ignition) Stop Switch
  57
- Test for Ignition that Won't Turn off
  58
- The Module
  59
- Module Removal
  60
- Installing the Module and Setting the Air Gap
  60
- Flywheel
  61
- About the Spark Plug
  62
- Cleaning the Spark Plug
  62
- Inspection of the Spark Plug
  62
- Spark Plug Removal
  63
Chapter 8: Exhaust

65
Chapter 9: Cylinder Head

67
- Cylinder Head Removal
  67
- Cylinder Head Installation
  69
- Valves
  70
Chapter 10: Crankshaft, Piston and Connecting Rod

73
- Crankshaft Inspection
  75
- Piston Inspection
  76
- Connecting Rod Inspection
  78
- Cylinder Inspection
  78
- Balance Shaft (483 & 490)
  79
- Reassembly
  80
- Engine Specifications Chart
  82
- Engine Torque Values Chart
  86
Chapter 11: Failure Analysis

87
- Abrasive Ingestion
  87
- Insufficient Lubrication
  89
- Engine Overspeed
  90
- Overheated
  91
- Mechanical Breakage/ Wear
  92
- Detonation/Preignition
  92

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